Please use this identifier to cite or link to this item: https://doi.org/10.1107/S1600536809022132
Title: (4Z,6Z,12Z,14Z)-2,10-Dimethyl-2,8,10,16-tetrahydrodipyrazolo-[3,4-e: 3′,4′-l][1,2,4,8,9,11]hexaazacyclo-tetradecine-4,12-diamine
Authors: Dolzhenko, A.V. 
Pastorin, G. 
Dolzhenko, A.V. 
Tan, G.K.
Koh, L.L. 
Issue Date: 2009
Source: Dolzhenko, A.V., Pastorin, G., Dolzhenko, A.V., Tan, G.K., Koh, L.L. (2009). (4Z,6Z,12Z,14Z)-2,10-Dimethyl-2,8,10,16-tetrahydrodipyrazolo-[3,4-e: 3′,4′-l][1,2,4,8,9,11]hexaazacyclo-tetradecine-4,12-diamine. Acta Crystallographica Section E: Structure Reports Online 65 (7) : o1578-o1579. ScholarBank@NUS Repository. https://doi.org/10.1107/S1600536809022132
Abstract: The title compound, C12H16N12, is a centrosymmetric molecule which comprises of a hexa-aza[14]annulene macrocyclic ring fused with two pyrazole rings. The macrocyclic ring is essentially planar, with an r.m.s. deviation of 0.0381 Å. The electron pairs of the amino groups are delocalized with the conjugated system of the macrocycle. Strong intra-molecular N - H⋯N hydrogen bonds arranged in an S2 2(10) graph-set motif are present in the macrocyclic ring. In the crystal, the amino groups act as donors for inter-molecular N - H⋯N inter-actions with the N atoms of the heterocyclic system, forming a network of two types of extended chains oriented parallel to the [101] and [011] directions. The crystal packing is also stabilized by weak inter-molecular C - H⋯N hydrogen bonds formed between pyrazole C - H groups and N atoms of the macrocyclic ring, running in the [10 ] direction.
Source Title: Acta Crystallographica Section E: Structure Reports Online
URI: http://scholarbank.nus.edu.sg/handle/10635/92874
ISSN: 16005368
DOI: 10.1107/S1600536809022132
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