Archive for the ‘Uncategorized’ Category

A very warm welcome to Richard Layfield

Please join us in welcoming Professor Richard Layfield who has recently joined the Dalton Transactions Editorial Board as an Associate Editor. Based at The University of Manchester, U.K, where he is Professor of Inorganic Chemistry and Assistant Vice-Dean for Research, his research interests include lanthanide organometallic chemistry, 3d transition metal amide chemistry and carbene chemistry, applications of coordination/organometallic chemistry in molecular magnetism (particularly single-molecule magnets). He also has some interests in catalytic transformations involving heavier p-block elements.

When joining the Board, Professor Layfield said:

“I am very much looking forward to working with the Dalton Transactions team, and to contributing to developing the Editorial Board’s vision for the journal.”

Recent articles by Professor Layfield published in Dalton Transactions include:

Magnetic frustration in a hexaazatrinaphthylene-bridged trimetallic dysprosium single-molecule magnet
Richard Grindell, Veacheslav Vieru, Thomas Pugh, Liviu F. Chibotaru and Richard A. Layfield
Dalton Trans., 2016, DOI: 10.1039/C6DT01763K

Molecular and electronic structures of donor-functionalized dysprosium pentadienyl complexes
Benjamin M. Day, Nicholas F. Chilton and Richard A. Layfield
Dalton Trans., 2015,44, 7109-7113, DOI: 10.1039/C5DT00346F

Reactivity of three-coordinate iron–NHC complexes towards phenylselenol and lithium phenylselenide
Thomas Pugh and  Richard A. Layfield
Dalton Trans., 2014,43, 4251-4254, DOI: 10.1039/C3DT53203H

Sonja N. König, Nicholas F. Chilton, Cäcilia Maichle-Mössmer, Eufemio Moreno Pineda, Thomas Pugh, Reiner Anwander and Richard A. Layfield
Dalton Trans., 2014,43, 3035-3038, DOI: 10.1039/C3DT52337C
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Malcolm Green’s 80th Birthday Symposium

We are delighted to announce the success of Malcolm Green’s 80th Birthday Symposium that was held at the Inorganic Chemistry Laboratory and Balliol College, University of Oxford, UK, on 14th May 2016. Malcolm was presented with a copy of a collection of his articles published by the Royal Society of Chemistry, highlighting his vast contribution to Inorganic Chemistry over the last 50 years. Please join us in wishing Malcolm a very Happy Birthday!

Image credit: Polly Arnold

Image credits: Karl Harrison

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Nitrogen Reduction By Homogeneous Fe Complexes Revisited

Geographer Vaclav Smil described the Haber-Bosch process as the “detonator of the human population explosion” in the twentieth century, in his Nature Millennium Essay.1 Today, nearly 80% of nitrogen atoms in human tissue have been through the Haber-Bosch process;2 where nitrogen gas is converted to ammonia converted into industrial fertilizers.

The Haber-Bosch process has now entered its second century. High temperatures and pressures and a catalyst composed of magnetite (Fe3O4), wüstite (FeO) and iron(0) metal,  push the equilibrium of a mixture of pure hydrogen, nitrogen and ammonia gas towards the formation of ammonia.  Today, one of the greatest challenges of industrial chemistry is to find an alternative catalyst and process.

In 1991 Leigh et. al. reported the nitrogen of nitrogen by a homogeneous Fe complex with two chelating phosphine ligands.3 They were able to reduce N2 to ammonia (isolated as NH4+) under strongly acidic conditions. However, following this discovery, verification and mechanistic questions remained.

The previously unreported dimer

In a recent article, ‘Teaching old compounds new tricks: efficient N2 fixation by simple Fe(N2)(diphosphine)2 complexes‘ published in Dalton Transactions, , Ashley and co-workers report their investigation of the Leigh compound. They have persued a peak that was previously unaccounted for in the 31P NMR spectrum which has led them to isolate a unique dimer of this complex, bridged by molecular N2.  Comparing the reactivities of this dimer with the two monomers that feature different simple chelating phosphine ligands, they unambiguously report yields of NH3 and N2H4 after reaction with triflic acid, and discern dependences based on ligand, temperature, and solvent.

This hitherto unreported dimeric compound, and the impressive NH3/N2H4 yields achieved with the monomers tested, add a significant piece to the puzzle of how iron-mediated N2 activation occurs.

Read the full article here:

Teaching old compounds new tricks: efficient N2 fixation by simple Fe(N2)(diphosphine)2 complexes
Laurence R. Doyle, Peter J. Hill, Gregory G. Wildgoose and Andrew E. Ashley
Dalton Trans., 2016, Advance Article
DOI: 10.1039/C6DT00884D

1V. Smil Nature 1999, 400, 415.

2R. W. Howarth Harmful Algae 2008, 8, 14.

3J. G. Leigh and M. Jimenez-Tenorio, J. Am. Chem. Soc., 1991, 113, 5862.

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The 6th International IMBG Meeting & Advanced Courses

6th International IMBG MeetingDalton Transactions and Metallomics are proud to be sponsoring poster prizes for the 6th International IMBG Meeting on Chemistry & Biology of Iron-Sulfur Clusters.
The meeting will be held on 13-18 September 2015, in Villard de Lans, a village located near Grenoble, France, in the beautiful surrounding of the Vercors mountains. It will include a two-day Advanced Course followed by a two and half day Conference.

Click here for full information and register today!

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Call for papers: Themed issues

Dalton Transactions coverWe are delighted to announce four new Dalton Transactions themed issues:

Metallodrugs: Activation, Targeting and Delivery
Deadline: 12th April 2016
Guest Editors: Professor Dr Nils Metzler-Nolte (Ruhr-Universität Bochum), Professor Dr Zijian Guo (Nanjing University)

In 1965, a seminal paper by Barnett Rosenberg appeared in Nature, describing the anti-proliferative properties of a very simple inorganic compound, now known to all of us as Cisplatin. This discovery, and the subsequent clinical approval of Cisplatin, has led to thousands of papers, and it has arguably initiated the field of medicinal inorganic chemistry. Now, 50 years after Rosenberg’s discovery, the field has matured and, beyond Cisplatin, many other compounds have been explored for their anti-proliferative activity. Moreover, chemical creativity has shifted from the mere discovery of new active agents, and elucidation of their mode of action (as difficult as that may be at times) to issues such as delivery of anti-proliferative agents to cancer cells, activation of inorganic prodrugs, and very creative approaches to targeting malignant cells exclusively.

A Themed Issue of Dalton Transactions now seeks to explore these frontiers in the art of medicinal inorganic chemistry. Crucially, the Issue will aim to provide an overview of current progress in three focal points of inorganic drug development: activation (for example, by light, enzymes or external stimuli), targeting (that is, bioconjugates, using the EPR effect, and so on) or selective delivery (to cancer cells or intra-cellularly, by nanoparticles or other carrier systems, and so on).

Although certainly important, the discovery of new compounds or elucidation of a mode of action are not topics for this issue — but Dalton Transactions is of course an excellent place for dissemination of such results in a regular Paper.

Small molecule activation
Deadline: 30th April 2016
Guest Editors: Professor Martin Albrecht (University of Bern), Professor Eric Clot (University of Montpellier), Professor Giulia Licini (University of Padova), Professor Barbara Milani (University of Trieste)

Small molecule activation constitutes one of the main frontiers of inorganic and organometallic chemistry, with much effort directed towards the development of new processes for the selective and sustainable transformation of abundant small molecules such as H2O, NH3, N2, O2, CO, or CO2 into high-value chemical feedstocks and energy resources.

This themed issue will focus on homogenously catalysed activation of small molecules, as well as stoichiometric reactions that further our understanding towards such ends. We invite submissions covering any relevant aspect of small molecule activation including: organometallic chemistry, (electro)catalysis, photochemistry, mechanistic studies, spectroscopy, synthesis, and developments in materials science.

Reactions Facilitated by Ligand Design
Deadline: 10th May 2016
Guest Editor: Professor Jason Love (The University of Edinburgh)

This issue will focus on transformations involving inorganic complexes where a ligand design approach has been used to produce a demonstrable change in reactivity. Papers can be submitted from any area of inorganic or organometallic chemistry, including catalysis, small molecule activation, C–X bond activation, bioinorganic chemistry and supramolecular chemistry. Ligand classes could include pincers, carbenes, macrocyclic ligands, phosphines or metallocenes, with approaches for goal-oriented ligand design involving aspects such as redox non-innocence, steric hindrance, secondary coordination sphere effects and manipulation of Lewis pairs.

Molecular Spintronics: The role of Coordination Chemistry
Deadline: 17th May 2016
Guest Editors: Professor Eugenio Coronado (University of Valencia), Professor Masahiro Yamashita (Tohoku University)

This issue intends to show the impact of coordination chemistry in the emerging field of Molecular Spintronics.

Coordination chemistry provides many examples of molecules that can be useful in this field: from metal complexes that can be incorporated into spintronic devices, as spin collectors or spin filters, to magnetic molecules that can behave as bits of memory or even as spin qubits.

This issue will cover the three different facets of the field, namely: 1) the use of molecules in the development of a new generation of spintronic devices; 2) the miniaturization of the device to reach the single-molecule limit (molecular nanospintronics); and 3) The search for molecular spin qubits of interest in quantum computing.

In this multidisciplinary field, chemists work in close interaction with solid-state physicists, including theoreticians as well as experimentalists, and materials scientists. Contributions coming from the three scientific communities in which these scientists are integrated – Spintronics, Molecular Electronics and Molecular Magnetism – are expected.

Does your research fit into any of these subject areas? If so, we would welcome your contribution. Please see below for further details on how to submit:

How to submit

All types of manuscript – communications, full papers and Perspectives, will be considered for publication. The manuscript should be prepared according to our article guidelines and submitted via our online system.

All manuscripts will be subject to normal peer review and inclusion in the themed issue will be at the discretion of the Guest Editors. Please indicate in your submission which themed issue you would like to be considered for.

Interested in submitting  paper? Please contact us for more information

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October’s HOT articles

Enjoy a read of our latest HOT articles which are free to access for 4 weeks only!

Our HOT articles have also been compiled into a collection and are available for viewing on our website.

A strong steric hindrance effect on ground state, excited state, and charge separated state properties of a CuI-diimine complex captured by X-ray transient absorption spectroscopy
J. Huang, M. W. Mara, A. B. Stickrath, O. Kokhan, M. R. Harpham, K. Haldrup, M. L. Shelby, X. Zhang, R. Ruppert, J.-P. Sauvage and L. X. Chen
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02046D

Graphical Abstract

Free to access until 26th November 2014


On the coordination chemistry of organochalcogenolates RNMe2^Eand RNMe2^E^O(E = S, Se) onto lead(II) and lighter divalent tetrel elements
Alexandra Pop, Lingfang Wang, Vincent Dorcet, Thierry Roisnel, Jean-François Carpentier, Anca Silvestru and Yann Sarazin
Dalton Trans., 2014, 43, 16459-16474
DOI: 10.1039/C4DT02252A

Graphical Abstract

Free to access until 26th November 2014


Niobium(V) and tantalum(V) halide chalcogenoether complexes – towards single source CVD precursors for ME2 thin films
Sophie L. Benjamin, Yao-Pang Chang, Chitra Gurnani, Andrew L. Hector, Michelle Huggon, William Levason and Gillian Reid
Dalton Trans., 2014, 43, 16640-16648
DOI: 10.1039/C4DT02694B

Graphical Abstract

Free to access until 26th November 2014


The crystal structure of paramagnetic copper(II) oxalate (CuC2O4): formation and thermal decomposition of randomly stacked anisotropic nano-sized crystallites
Axel Nørlund Christensen, Bente Lebech, Niels Hessel Andersen and Jean-Claude Grivel
Dalton Trans., 2014, 43, 16754-16768
DOI: 10.1039/C4DT01689K

Graphical Abstract

Free to access until 26th November 2014


Lithiated sulfoxides: α-sulfinyl functionalized carbanions
Gerd Ludwig, Tobias Rüffer, André Hoppe, Till Walther, Heinrich Lang, Stefan G. Ebbinghaus and Dirk Steinborn
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02238F

Graphical Abstract

Free to access until 26th November 2014


Encapsulation of large dye molecules in hierarchically superstructured metal–organic frameworks
Yanfeng Yue, Andrew J. Binder, Ruijing Song, Yuanjing Cui, Jihua Chen, Dale K. Hensley and Sheng Dai
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02516D

Graphical Abstract

Free to access until 26th November 2014

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September’s HOT articles

Enjoy a read of Autumn’s crop of HOT articles which are free to access for 4 weeks only!

Our HOT articles have also been compiled into a collection and are available for viewing on our website.

Metal-mediated coupling of amino acid esters with isocyanides leading to new chiral acyclic aminocarbene complexes
Tatyana B. Anisimova, M. Fátima C. Guedes da Silva, Vadim Yu. Kukushkin, Armando J. L. Pombeiro and Konstantin V. Luzyanin
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01917B

Graphical Abstract

Free to access until 27th October 2014


Photoinduced hydrogen evolution by a pentapyridine cobalt complex: elucidating some mechanistic aspects
Elisa Deponti, Alessandra Luisa, Mirco Natali, Elisabetta Iengo and Franco Scandola
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02269F

Graphical Abstract

Free to access until 27th October 2014


Efficient halogen photoelimination from dibromo, dichloro and difluoro tellurophenes
Elisa I. Carrera and Dwight S. Seferos
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01751J

Graphical Abstract

Free to access until 17th October 2014


Synthesis, structure and catalytic activity of a gold(I) complex containing 1,2-bis(diphenylphosphino)benzene monoxide
Christine Hahn, Leticia Cruz, Amanda Villalobos, Liliana Garza and Samuel Adeosun
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02116A

Graphical Abstract

Free to access until 17th October 2014


1,3,5-Triferrocenyl-2,4,6-tris(ethynylferrocenyl)-benzene – a new member of the family of multiferrocenyl-functionalized cyclic systems
Ulrike Pfaff, Grzegorz Filipczyk, Alexander Hildebrandt, Marcus Korb and Heinrich Lang
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02307B

Graphical Abstract

Free to access until 17th October 2014

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August’s HOT papers

Enjoy a read of our fresh batch of HOT articles which are free to access for 4 weeks only!

Our HOT articles have also been compiled into a collection and are available for viewing on our website.

Unusual assembly of lacunary heteropolymolybdates with cyanometalate fragment
Ya Wang, Ning Jiang, Fengyan Li, Yanzhen Zheng, Lin Xu and Minghui Sun
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01875C

Graphical Abstract

Free to access until 17th October 2014


Structure, stability and photocatalytic H2 production by Cr-, Mn-, Fe-, Co-, and Ni-substituted decaniobate clusters
Jung-Ho Son, Jiarui Wang and William H. Casey
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02020K

Graphical Abstract

Free to access until 17th October 2014


Light-induced spin-state switching in the mixed crystal series of the 2D coordination network {[Zn1−xFex(bbtr)3](BF4)2}: optical spectroscopy and cooperative effects
Pradip Chakraborty, Cristian Enachescu, Arnaud Humair, Leo Egger, Teresa Delgado, Antoine Tissot, Laure Guénée, Céline Besnard, Robert Bronisz and Andreas Hauser
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01728E

Graphical Abstract

Free to access until 11th September 2014


Two-photon sensitized visible and near-IR luminescence of lanthanide complexes using a fluorene-based donor–π-acceptor diketonate
Adam W. Woodward, Andrew Frazer, Alma R. Morales, Jin Yu, Anthony F. Moore, Andres D. Campiglia, Evgheni V. Jucov, Tatiana V. Timofeeva and Kevin D. Belfield
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01507J

Graphical Abstract

Free to access until 11th September 2014


Low temperature activation of S8, Sered and α-Te with [CpBIGFe(CO)2] radicals
S. Heinl and M. Scheer
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01764A

Graphical Abstract

Free to access until 9th September 2014


Large structural changes upon protonation of Fe4S4 clusters: the consequences for reactivity
Ian Dance and Richard A. Henderson
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01687D

Graphical Abstract

Free to access until 9th September 2014

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HOT articles for July

July brings us a new batch of HOT articles – free to access for 4 weeks only!

Our HOT articles have also been compiled into a collection and are available for viewing on our website.

A series of 3D metal organic frameworks based on [24-MC-6] metallacrown clusters: structure, magnetic and luminescence properties
Kai Wang, Hua-Hong Zou, Zi-Lu Chen, Zhong Zhang, Wei-Yin Sun and Fu-Pei Liang
Dalton Trans., 2014, 43, 12989-12995
DOI: 10.1039/C4DT01593B

Graphical Abstract

Free to access until 20th August 2014


Mechanism of water oxidation by non-heme iron catalysts when driven with sodium periodate
Alexander R. Parent, Takashi Nakazono, Shu Lin, Satoshi Utsunomiya and Ken Sakai
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01188K

Graphical Abstract

Free to access until 13th August 2014


Hybrid photocatalysts using graphitic carbon nitride/cadmium sulfide/reduced graphene oxide (g-C3N4/CdS/RGO) for superior photodegradation of organic pollutants under UV and visible light
Rajendra C. Pawar, Varsha Khare and Caroline Sunyong Lee
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01278J

Graphical Abstract

Free to access until 13th August 2014


NAMI-A is highly cytotoxic toward leukaemia cell lines: evidence of inhibition of KCa 3.1 channels
Serena Pillozzi, Luca Gasparoli, Matteo Stefanini, Mirco Ristori, Massimo D’Amico, Enzo Alessio, Federica Scaletti, Andrea Becchetti, Annarosa Arcangeli and Luigi Messori
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01356E

Graphical Abstract

Free to access until 7th August 2014


Shape evolution of Au nanoring@Ag core–shell nanostructures: diversity from a sole seed
Jingsong Sun, Jindi Wang, Ying Zhang, Pengbo Wan, Liang Luo, Feng Wang and Xiaoming Sun
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00992D

Graphical Abstract

Free to access until 4th August 2014


Aqueous stability of alumina and silica perhydrate hydrogels: experiments and computations
Yitzhak Wolanov, Avital Shurki, Petr V. Prikhodchenko, Tatiana A. Tripolskaya, Vladimir M. Novotortsev, Rami Pedahzur and Ovadia Lev
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01024H 

Graphical Abstract
  

Free to access until 4th August 2014

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HOT articles in June

Take a look at our new HOT articles for the month of June and let us know your thoughts below. Remember, these are ALL free to access for four weeks!

Lithium heterocuprates: the influence of the amido group on organoamidocuprate structures
Roberta Bomparola, Robert P. Davies, Stefan Hornaeur and Andrew J. P. White
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00965G

Graphical Abstract

Free to access until 30th July 2014


Bent and planar structures of μ–η2:η2-N2 dinuclear early transition metal complexes
Xuelu Ma, Yanhui Tang and Ming Lei
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00646A

Graphical Abstract

Free to access until 30th July 2014


Ligand-based photooxidations of dithiomaltolato complexes of Ru(II) and Zn(II): photolytic CH activation and evidence of singlet oxygen generation and quenching
Britain Bruner, Malin Backlund Walker, Mukunda M. Ghimire, Dong Zhang, Matthias Selke, Kevin K. Klausmeyer, Mohammad A. Omary and Patrick J. Farmer
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00961D

Graphical Abstract

Free to access until 15th July 2014


Homo- and heteroleptic alkoxycarbene f-element complexes and their reactivity towards acidic N–H and C–H bonds
Polly L. Arnold, Thomas Cadenbach, Isobel H. Marr, Andrew A. Fyfe, Nicola L. Bell, Ronan Bellabarba, Robert P. Tooze and Jason B. Love
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01442A

Graphical Abstract

Free to access until 15th July 2014


Syntheses, structures and flexible coordination of sterically demanding di- and “tri”-lithiated methandiides
Christian P. Sindlinger and Andreas Stasch
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01185F

Graphical Abstract

Free to access until 15th July 2014


An unusual chiral 3D inorganic connectivity featuring a {Pb18} wheel: rapid and highly selective and sensitive sensing of Co(II)
Yun-Hu Han, Chong-Bin Tian and Shao-Wu Du
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00905C

Graphical Abstract

Free to access until 15th July 2014


Versatile redox reactivity of triaryl-meso-substituted Ni(II) porphyrin
Abdou K. D. Dimé, Charles H. Devillers, Hélène Cattey and Dominique Lucas
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00221K

Graphical Abstract

Free to access until 8th July 2014


Predicting the spin state of paramagnetic iron complexes by DFT calculation of proton NMR spectra
Andrea Borgogno, Federico Rastrelli and Alessandro Bagno
Dalton Trans., 2014, 43, 9486-9496
DOI: 10.1039/C4DT00671B

Graphical Abstract

Free to access until 8th July 2014


Photoreduction and light-induced triplet-state formation in a single-site fluoroalkylated zinc phthalocyanine
Hans Moons, Andrei Loas, Sergiu M. Gorun and Sabine Van Doorslaer
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00621F

Graphical Abstract

Free to access until 8th July 2014


Reversible cargo shipping between orthogonal stations of a nanoscaffold upon redox input
Soumen K. Samanta, Anup Rana and Michael Schmittel
Dalton Trans., 2014, 43, 9438-9447
DOI: 10.1039/C4DT00849A

Graphical Abstract

Free to access until 8th July 2014


Benzo annulated cycloheptatriene PCP pincer iridium complexes
Wolfgang Leis, Sophie Wernitz, Benedikt Reichart, David Ruckerbauer, Johannes Wolfram Wielandt and Hermann A. Mayer
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00885E

Graphical Abstract

Free to access until 8th July 2014


Induced circular dichroism of polyoxometalates via electrostatic encapsulation with chiral organic cations
Yizhan Wang, Lei Shi, Yang Yang, Bao Li and Lixin Wu
Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT00866A

Graphical Abstract

 Free to access until 8th July 2014


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