Abstract

<h2>Acta Crystallographica Section B</h2><h3>Structural Crystallography and Crystal Chemistry</h3><h3>0567-7408</h3> <h2>research papers</h2> Volume 24 Part 12 Pages 1638-1640 December 1968 <h2>The structure of cis -cobalt diazidobisethylenediamine nitrate, Co(C 2 N 2 H 8 ) 2 (N 3 ) 2 NO 3 </h2> V. M. Padmanabhan, R. Balasubramanian and K. V. Muralidharan Acta Cryst. (1968). B24, 1638 The Structure of cis-Cobalt Diazidobisethylenediamine Nitrate, Co(CzSzas)z(S3)2NO3 BY V. M. PADMANABHAN, R. BALASUBI~MANIAN AND K.V. MURALIDI-IARAN Apsara Reactor, Nuclear Physics Division, Bhabha Atomic Research Centre, Trombay, Bombay 74, India (Received 24 November 1967) The crystal structure of cis-cobalt diazidobisethylenediamine nitrate has been determined from two- dimensional X-ray diffraction data. The cell has dimensions a= 12.106, b=23.620, c=8.801 A, space group Pnma and Z= 8. The cobalt ion has a distorted octahedral coordination with four N atoms of the ethylenediamine group and two N atoms of the azide group. The ethylenediamine molecule is in gauche configuration. The azido groups are linear with N-N distances 1.11-1.23/~. The valence angle Co-N-N is ~ 120°. The two nitrate ions are stacked one above the other to form a close packing with the complex ions. Very few structures of compounds coordinating an azide group have been reported in the