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Bis[dihydrobis(1-pyrazolyl)borate]cadmium(II): a monomeric, severely distorted tetrahedral complex of cadmium(II) |
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| Authors: | Daniel L Reger Scott S Mason Arnold L Rheingold |
| Institution: | a Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA b Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716, USA |
| Abstract: | The crystal structure of the complex H2B(pz)2]2Cd has been determined: orthorhombic, Pbca, A = 16.052(3), B = 13.935(3), C = 14.974(4) Å, V = 3349.4(13) Å3, Z = 8, R(F) = 3.61%. It is the first structurally characterized non-porphyrin CdN4 complex. It is monomeric in the solid state with a pseudotetrahedral geometry about the cadmium atom. The N---Cd---N angles are distorted by the approximate 93° bite angle of the ligand; the interligand N---Cd---N angles also are distorted, ranging from 106.9 to 131.7°. These distortions are the result of intermolecular packing forces and are facilitated by the spherical set of valence orbitals for Cd2+. |
| Keywords: | Dihydrobis(pyrazolyl)borate complexes Tetrahedral complexes Cadmium complexes Nitrogen donor atoms |
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