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 5
(a) Coordination layers in 2 viewed in the projection on the bc plane. The grey box indicates Rb–pyrazolate chains, which are orthogonal to the drawing plane. (b), (c) Two side views of the Rb–pyrazolate ladders along the a-axis direction showing the bridging function of the pyrazolates and NO₂ groups. Red dotted lines indicate weak stacking interactions. [Symmetry codes: (i) x − $[{1\over 2}]$ , −y + $[{1\over 2}]$ , z − $[{1\over 2}]$ ; (iii) x + $[{1\over 2}]$ , −y + $[{1\over 2}]$ , z − $[{1\over 2}]$ ; (iv) −x + $[{3\over 2}]$ , y − $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (v) −x + $[{1\over 2}]$ , y − $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (vi) −x + $[{3\over 2}]$ , y + $[{1\over 2}]$ , −z + $[{1\over 2}]$ ; (vii) −x + $[{1\over 2}]$ , y + $[{1\over 2}]$ , −z + $[{1\over 2}]$ .]

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

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

https://doi.org/10.1107/S2056989026005037

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