TRIGONAL-BIPYRAMIDAL
Probing the origin of the giant magnetic anisotropy in trigonal bipyramidal Ni(ii) under high pressure
... a trigonal bipyramidal nickel( II ) complex where a giant magnetic anisotropy of several hundred wavenumbers can be ...the trigonal symmetry and axial anisotropy, while increasing the rhombic ...
9
A modular family of phosphine phosphoramidite ligands and their hydroformylation catalysts : steric tuning impacts upon the coordination geometry of trigonal bipyramidal complexes of type [Rh(H)(CO)2(P^P*)]
... Ligands that respond to subtle structural modification by changing coordination mode or metal geometry are of significant interest to coordination chemists and catalysis chemists. The ability to control geometry and ...
9
In-depth investigation of large axial magnetic anisotropy in monometallic 3d complexes using frequency domain magnetic resonance and ab initio methods: a study of trigonal bipyramidal Co(ii)
... DABCO ligands and crystallisation in a trigonal space group. Complex 1 displays slow relaxation of magnetisation under an applied dc eld and the relaxation data can be accounted for by considering Raman and ...
8
2-(methylamido)pyridine–borane : a tripod κ3N,H,H-ligand in trigonal bipyramidal rhodium(I) and iridium(I) complexes with an asymmetric coordination of its BH3 group
... Accordingly, although the interaction of the two B–H groups of the H200–B1–H300 fragment of compounds 2 and 3 with their M atom has to be less agostic-type than terminal sigma B–H bond c[r] ...
23
Solvent induced on/off switching of intramolecular electron transfer in a cyanide bridged trigonal bipyramidal complex
... reported an interesting trigonal pyramidal [Co3Fe2] complex which showed a one electron transfer process for the two ETCST-active [CoFe] pairs in the molecule with electronic states of [[r] ...
7
A trigonal bipyramidal coordinated ytterbium(III) alkyl: tris(trimethylsilylmethyl)bis(tetrahydrofuran O)ytterbium(III)
... Data collection: P3 Siemens, 1989; cell re®nement: P3; data reduction: XDISK Siemens, 1989; programs used to solve structure: SHELXS97 Sheldrick, 1997; programs used to re®ne structure: [r] ...
10
catena Poly[[trimethyltin(IV)] μ 3 (4 chlorophenyl) 2 phenylpropenoato κ2O:O′]
... distorted trigonal bipyramidal. Three methyl groups are bonded to the Sn atom at equatorial positions with essentially identical bond distances [mean SnÐC = 2.119 (6) AÊ]. The Sn atom lies 0.065 (2) AÊ out ...
8
(Acetonitrile){2 [bis(pyridin 2 ylmethyl κ2N)amino κN] N (2,6 dimethylphenyl)acetamide κO}(perchlorato κO)zinc (acetonitrile){2 [bis(pyridin 2 ylmethyl κ2N)amino κN] N (2,6 dimethylphenyl)acetamide κO}zinc tris(perchlorate)
... additional ligands. There are five different perchlorate anions C, D, E, F and G, the latter two being located on (F) or very close to (G) a twofold axis. Perchlorate D serves as ligand number six for Zn1A, Fig. 1 (b), ...
18
(2 Chloro 4 nitrobenzoato)(methanol)triphenyltin(IV)
... five-coordinate Sn IV atom exists in a trigonal–bipyramidal environment, formed by a monodentate carboxylate group, three phenyl rings and a methanol molecule. The axial sites are occupied by the O atoms of ...
10
Bis(4 aminobenzoato κO)triphenylantimony(V)
... distorted trigonal–bipyramidal geometry with the O atoms of two carboxylate groups in the axial positions and the C atoms of the phenyl groups in the equatorial ...
14
A Molecular Description of Superconductivity of Sulfur Hydride and Related Systems under High Pressure Conditions
... gonal bipyramidal state, in which the transferred carbon may be described as a methyl planar triangle cation [11]. Ab initio calculations based on a linear three- center two-, three- and four-electron type of ...
18
Dibutylammonium bis(hydrogen methylphosphonato κO)triphenylstannate(IV)
... environment of the two Sn IV atoms is trigonal–bipyramidal defined by three phenyl C atoms in equatorial positions and two methyl hydrogenphosphate O atoms at the apical sites. In the crystal, the ...
17
(2 Carbomethoxyethyl)triiodotin at 120 K
... has trigonal bipyramidal coordination, is notable for the presence in the asymmetric unit of two distinct molecules markedly different in terms of the trans-axial SnÐ O and SnÐI distances, ...
10
catena Poly[[tri n butyltin(IV)] μ cyclopent 2 enylacetato κ2O:O′]
... meric chain involving both O atoms of the carboxylate group. The Sn atom is five-coordinate and shows a distorted trigonal– bipyramidal geometry wherein the C atoms of the n-butyl chains occupy the ...
9
catena Poly[[dichloridomercury(II)] μ {N [(E) pyridin 2 ylmethylidene κN]pyridin 3 amine κ2N1:N3}]
... distorted trigonal–bipyramidal geometry, with the Hg (II) ion being surrounded by two Cl, two N atoms from one PyPy ligand and one N atom from adjacent PyPy ...of trigonal distortion, is ...distorted ...
6
(Acetato κO)[benzoylacetone (4 methoxybenzoyl)hydrazonato κ3O,N,O′](pyridine κN)zinc(II)
... Each ZnII atom has a distorted trigonal±bipyramidal O3N2 con®guration, de®ned by two O atoms and one N atom from the tridentate hydrazone ligand, one O atom from the acetate group and on[r] ...
14
Aquatrimethyl[2 (4 methylpyrimidin 2 ylsulfanyl)acetato κO]tin(IV)
... distorted trigonal–bipyramidal coordination geometry, with one carboxylate O atom of the 2-(4-methyl- pyrimidine-2-sulfanyl)acetate ligand and the O atom of a water molecule in axial positions, and three ...
7
Halide transfer reactions of arsenic, antimony and bismuth
... The m ajority of fo u r coordinate m ono-adducts, EX3L (E=As,Sb,Bi; X=halogen; L=neutral ligand) retain stereochemical activ ity o f th e lone p a ir. The m o n o -a d d u ct w ith an ilin e , SbC l3.P hN H 2, 111 has a ...
247
Hydrogen bonding and π–π stacking in di μ isophthalato bis[bis(isonicotinamide)copper(II)] trihydrate
... distorted trigonal– bipyramidal coordination geometry, being coordinated by two N atoms of two inta ligands and three O atoms from three different carboxyl groups of three ipt ligands ...
13
Crystal structure of {6,6′ dihydroxy 2,2′ [iminobis(propane 1,3 diylnitrilomethanylylidene)]diphenolato κ5O1,N,N′,N′′,O1′}copper(II)
... the trigonal bipyramidal geometry is formed by atoms N2, O1 and ...regular trigonal bipyramid is evident from the bond angles of N2—Cu1—O1 = ...
14