SumntrivyThe structure of (py) ,Zn(NO,), has been resolved by a single-crystal X-ray analysis, and found to be monomeric. with a two-fold axis of symmetry which passes through the zinc atom and one C,H,N ring, the nitrate groups being equivalent, and asymmetrically bidentate.
Structural Investigations of Metal Nitrate Complexes. Part I. Crystal and Molecular Structure of Bis[d initrato bis( pyrid ine)copper( ii)]-Pyridi ne c c u ( N 0 3 ) 2( PY 1 2 1 2lPY t By
R m x N T theoretical predictions of the vibrational spectra expected for isolated bidentate nitrato-groups1 suggest that two i.r.-active metal-oxygen stretching frequencies should be observed in the 300 cm.-l region (assuming a metal atom of t 0 a.m.u. and an M-0 force constant of 1.5 mdyne/A) In view of the difficulty of assigning structures on the basis of splitting of the 1430 cm.-I El mode of
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