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On the structure of 'potassium nitroprusside 0·8 hydrate'

Marsh, Richard E. (1990) On the structure of 'potassium nitroprusside 0·8 hydrate'. Acta Crystallographica Section C, C46 (10). pp. 1761-1763. ISSN 0108-2701. doi:10.1107/S0108270190000385.

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The crystal structure of the compound reported as K_2[Fe(CN)_5NO].0·8H_2O, potassium pentacyanonitrosylferrate hydrate (1/0·8), recently described and refined in the non-centrosymmetric space group Pna2_1 [orthorhombic; a = 30·000 (8), b = 11·272 (3), c = 16·053 (4) Å, Z = 20; Castellano, Rivero, Piro & Amalvy (1989). Acta Cryst. C45, 1207-1210], is properly described as centrosymmetric, space group Pnma. Refinement in Pnma shows that one of the K atoms is, instead, an Na atom and that three of the sites of the water molecules are partially occupied; the proper formulation of the compound is K_9Na[Fe(CN)_5NO]_5.nH_2O (n = 4·8).

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Additional Information:© 1990 International Union of Crystallography. Received 18 October 1989; accepted 3 January 1990.
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Arthur Amos Noyes Laboratory of Chemical Physics8351
Issue or Number:10
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88440
Deposited By: Tony Diaz
Deposited On:01 Aug 2018 18:16
Last Modified:16 Nov 2021 00:26

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