Dibasic 3,3′-di­nitro-4,4′-bipyrazole-1,1′-diides of K, Rb and Cs reveal metal-selective ring–π over ring–N coordination

Domasevitch, K.V.; Ponomarova, V.V.

doi:10.1107/S2056989026005037

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 6
(a) Projection of the structure of 3 on the ac plane. The grey box indicates the nominal coordination layer, which is orthogonal to the drawing plane, and the grey-shaded area identifies the half-layer, which is further described (b) in its projection on the bc plane. Note the co-existence of the finite [Cs1] and chain-like [Cs2] π-coordination patterns. [Symmetry codes: (ii) −x, y − $[{1\over 2}]$ , −z + 1; (v) x, y, z − 1; (vi) −x, y + $[{1\over 2}]$ , −z + 1; (vii) −x + 1, y + $[{1\over 2}]$ , −z + 2.]

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 82| Part 6| June 2026| Pages 683-691

https://doi.org/10.1107/S2056989026005037

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