Royal Society of Chemistry

Unexpected metal ion-assisted transformations leading to unexplored bridging ligands in NiII coordination chemistry: the case of PO3F2- group

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14520-14524
DOI: 10.1039/C4DT02204A, CommunicationDespina Dermitzaki, Catherine P. Raptopoulou, Vassilis Psycharis, Albert Escuer, Spyros P. Perlepes, Theocharis C. Stamatatos
The bridging potency of the O-rich PO3F2- group in NiII/oximate chemistry has been studied leading to interesting coordination compounds and revealing an unprecedented PO3F2- to P2O5F22-in situ transformation.
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Dinuclear [{(p-cym)RuCl}2([small mu ]-phpy)](PF6)2 and heterodinuclear [(ppy)2Ir([small mu ]-phpy)Ru(p-cym)Cl](PF6)2 complexes: synthesis, structure and anticancer activity

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14546-14549
DOI: 10.1039/C4DT01033G, CommunicationSuman Kumar Tripathy, Umasankar De, Niranjan Dehury, Satyanarayan Pal, Hyung Sik Kim, Srikanta Patra
Heterodinuclear Ir-Ru (2) with polypyridyl based phpy ligand shows autophagy induced cell death, whereas homodinuclear Ru-Ru (1) is inactive.
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Mononuclear complexes of amide-based ligands containing appended functional groups: role of secondary coordination spheres on catalysis

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14865-14875
DOI: 10.1039/C4DT02079K, PaperDeepak Bansal, Gulshan Kumar, Geeta Hundal, Rajeev Gupta
Coordination complexes of amide-based ligands with appended heterocyclic rings create a hydrogen bonding cavity that effectively binds the substrate(s). Such cavity-based complexes function as reusable and heterogeneous catalysts for various organic transformations.
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Partial alkali-metal ion extraction from K0.8(Li0.27Ti1.73)O4 using PTFE as an extraction reagent

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14902-14908
DOI: 10.1039/C4DT01869A, PaperTadashi C. Ozawa, Takayoshi Sasaki
53% of interlayer K+ and 10% of intralayer Li+ were extracted from K0.8(Li0.27Ti1.73)O4 by the reaction with PTFE.
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NiCo2O4 nanostructure materials: morphology control and electrochemical energy storage

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT02276A, PaperDeyang Zhang, Hailong Yan, Yang Lu, Kangwen Qiu, Chunlei Wang, Yihe Zhang, Xianming Liu, Jingshan Luo, Yongsong Luo
Three types of NiCo2O4 nanostructure, homogeneous NiCo2O4 nanoneedle arrays, heterogeneous NiCo2O4 nanoflake arrays and NiCo2O4 nanoneedle-assembled sisal-like microspheres, are synthesized. The NiCo2O4 nanoneedle arrays are evaluated as supercapacitor electrodes and demonstrate excellent electrochemical performances.
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Synthesis and dynamic behaviour of zwitterionic [M([small eta]6-C6H5-BPh3)(coe)2] (M = Rh, Ir) cyclooctene complexes

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14778-14786
DOI: 10.1039/C4DT02105C, PaperJesus J. Perez-Torrente, Marta Angoy, Daniel Gomez-Bautista, Adrian Palacios, M. Victoria Jimenez, F. Javier Modrego, Ricardo Castarlenas, Fernando J. Lahoz, Luis A. Oro
Hindered rotation about the metal-cyclooctene bond in bis-cyclooctene zwitterionic complexes results in an unusual equilibrium between two rotational isomers.
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The bonding situation in triethylchalcogenostiboranes - polarized single bonds vs. double bonds

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14772-14777
DOI: 10.1039/C4DT01940G, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Stefan Heimann, Dieter Blaser, Christoph Wolper, Rebekka Haack, Georg Jansen, Stephan Schulz
The bonding situation in triethylchalcogenostiboranes Et3Sb[double bond, length as m-dash]E (E = S 1, Se 2) in the solid state was investigated by single crystal X-ray diffraction and by computational results. 1 and 2 show polarized Sb-E single bonds rather than [small pi]-interactions.
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Magnetic analysis of a tetranuclear octahedral high-spin cobalt(II) complex based on a newly derived magnetic susceptibility equation

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14542-14545
DOI: 10.1039/C4DT02014F, CommunicationHiroshi Sakiyama, Annie K. Powell
Here we report a versatile magnetic susceptibility equation for tetranuclear octahedral high-spin cobalt(II) complexes and a magnetic analysis for a tetranuclear defect cubane cobalt(II) complex based on this equation.
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Synthesis, crystal structures and magnetic behaviour of four coordination compounds constructed with a phosphinic amide-TEMPO radical and [M(hfac)2] (M = CuII, CoII and MnII)

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14889-14901
DOI: 10.1039/C4DT01444H, PaperSamira G. Reis, Miguel A. del Aguila-Sanchez, Guilherme P. Guedes, Glaucio B. Ferreira, Miguel A. Novak, Nivaldo L. Speziali, Fernando Lopez-Ortiz, Maria G. F. Vaz
The reaction of a phosphinic amide TEMPO radical with [M(hfac)2] complexes provides discrete or 1D molecular magnetic compounds.
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N-Benzoylbenzamidinate complexes of aluminium: highly efficient initiators for the ring-opening polymerization of [varepsilon]-caprolactone

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14816-14823
DOI: 10.1039/C4DT02026J, PaperK. Bakthavachalam, Ashwene Rajagopal, N. Dastagiri Reddy
Mono and bis-chelate N-benzoylbenzamidinate aluminium complexes are found to be highly active initiators for polymerization of [varepsilon]-caprolactone and cyclohexene oxide.
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An iron(II) complex featuring [small kappa]3 and labile [small kappa]2-bound PNP pincer ligands - striking differences between CH2 and NH spacers

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14517-14519
DOI: 10.1039/C4DT01933D, CommunicationBernhard Bichler, Mathias Glatz, Berthold Stoger, Kurt Mereiter, Luis F. Veiros, Karl Kirchner
By changing the spacer between the pyridine and the PPh2 unit from CH2 to NH the cationic octahedral complex [Fe([small kappa]3-P,N,P-PNP)([small kappa]2-P,N-PNP)Cl]+ featuring a [small kappa]2-P,N bound PNP ligand instead of [Fe([small kappa]3-P,N,P-PNP)Cl2] is formed when FeCl2 is reacted with a PNP-Ph ligand.
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Synthesis of peroxo-titanium decorated H-titanate-nanotube-based hierarchical microspheres with enhanced visible-light photocatalytic activity in degradation of Rhodamine B

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14537-14541
DOI: 10.1039/C4DT01654H, CommunicationYong Qiu, Xinjun Li
Peroxo-titanium decorated H-titanate-nanotube-based hierarchical microspheres were prepared by a hydrothermal method, and they exhibited enhanced visible-light activity.
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Titanium and zirconium complexes of the N,N[prime or minute]-bis(2,6-diisopropylphenyl)-1,4-diaza-butadiene ligand: syntheses, structures and uses in catalytic hydrosilylation reactions

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14876-14888
DOI: 10.1039/C4DT02013H, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Srinivas Anga, Kishor Naktode, Harinath Adimulam, Tarun K. Panda
Various Ti and Zr complexes with Dipp2DAD ligand and their alkyl derivatives are obtained via salt metathesis reaction and catalytic hydrosilylation reactions by Zr alkyl complex are reported.
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The energetics of isomerisation in Keggin-series aluminate cations

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14533-14536
DOI: 10.1039/C4DT01763C, CommunicationC. Andre Ohlin, James R. Rustad, William H. Casey
The energetics of the Keggin isomers of the trideca-aluminate ion and their interconversion via cap rotation is investigated using DFT.
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Synthesis and reactivity of coordinatively unsaturated halocarbonyl molybdenum PNP pincer complexes

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14669-14679
DOI: 10.1039/C4DT01932F, PaperSara R. M. M. de Aguiar, Ozgur Oztopcu, Berthold Stoger, Kurt Mereiter, Luis F. Veiros, Ernst Pittenauer, Gunter Allmaier, Karl Kirchner
A series of six-coordinate neutral 16e halocarbonyl Mo(II) complexes of the type [Mo(PNPMe-iPr)(CO)X2] (X = I, Br, Cl) were prepared and fully characterized.
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Phosphine complexes of aluminium(III) halides - preparation and structural and spectroscopic systematics

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14600-14611
DOI: 10.1039/C4DT02051K, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Jennifer Burt, William Levason, Mark E. Light, Gillian Reid
The synthesis, structures and spectroscopic characterisations of 4-, 5- and 6-coordinate phosphine complexes of aluminium(III) halides are described. Arsines in contrast form only 4-coordinate complexes.
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Magnetically stabilized Fe8([small mu ]4-S)6S8 clusters in Ba6Fe25S27

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14612-14624
DOI: 10.1039/C4DT01182A, PaperTimothy E. Stacey, Christopher K. H. Borg, Peter J. Zavalij, Efrain E. Rodriguez
We have prepared Ba6Fe25S27, and studied its magnetic properties and electronic structure. Using a combined DFT and molecular orbital based approach, we provide an interpretation of the bonding and stability within Ba6M25S27 (M = Fe, Co, Ni) and related M9S8 phases.
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Thermal structural characterization of the acentric layered perovskite LiHSrTa2O7: X-ray and neutron diffraction, SHG and Raman experiments

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14841-14850
DOI: 10.1039/C4DT01723D, PaperCyrille Galven, Denis Mounier, Thierry Pagnier, Emmanuelle Suard, Francoise Le Berre, Marie-Pierre Crosnier-Lopez
LiHSrTa2O7 undergoes a reversible structural transition from an orthorhombic to a tetragonal symmetry around 200 [degree]C. This transition, from acentric to centric space group, is revealed especially by the vanishing of the SHG signal.
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The crystal structure of Li2B3PO8 with the 2D-linkage of BO3, BO4 and PO4 groups

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, 43,14525-14528
DOI: 10.1039/C4DT01670J, CommunicationToru Hasegawa, Hisanori Yamane
Li2B3PO8 crystallizes in a triclinic cell (space group P[1 with combining macron], Z = 8) and consists of sheets formed by the linkage of triangular BO3 and tetrahedral BO4 and PO4 groups. The sheets are stacked along the b-axis. Li2B3PO8 is the first example of a borophosphate, having a two-dimensional network structure of triangular BO3 and tetrahedral BO4 and PO4.
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Switching and redox isomerism in first-row transition metal complexes containing redox active Schiff base ligands

Dalton Transactions - 22 September, 2014 - 13:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01699H, PaperAshok Sasmal, Eugenio Garribba, Carlos J. Gomez-Garcia, Cedric Desplanches, Samiran Mitra
Switching and redox isomerism in first row transition metal complexes through the metal-to-ligand or ligand-to-ligand electron transfer stabilize redox isomeric forms in transition metal complexes with redox-active ligands.
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