Simple hydrogen-bonded chains in 2,2′-bipyridinium thiocyanate, hydrogen-bonded chains of rings in 2,2′-bipyridinium picrate and hydrogen-bonded sheets in 2,2′-bipyridinium hydrogensulfate
نویسندگان
چکیده
منابع مشابه
Breathers in hydrogen-bonded chains
In the framework of the one-component model for hydrogen-bonded chains developed by Zolotaryuk and Pnevmatikos [Phys. Lett. A 143 (1990) 233], we study analytically and numerically breather excitations in the continuum and the discrete-carrier limits. We demonstrate that the breathers show high-stability properties especially in the case when the on-site potential is symmetric. We also consider...
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We investigate the addition of stiffness to the lattice model of hydrogen-bonded polymers in two and three dimensions. We find that, in contrast to polymers that interact via a homogeneous short-range interaction, the collapse transition is unchanged by any amount of stiffness: this supports the physical argument that hydrogen bonding already introduces an effective stiffness. Contrary to possi...
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In 2-amino-4,6-dimethoxy-5-nitropyrimidine, C(6)H(8)N(4)O(4), the molecules are linked by one N-H...N and one N-H...O hydrogen bond to form sheets built from alternating R(2)(2)(8) and R(6)(6)(32) rings. In isomeric 4-amino-2,6-dimethoxy-5-nitropyrimidine, C(6)H(8)N(4)O(4), which crystallizes with Z' = 2 in P-1, the two independent molecules are linked into a dimer by two independent N-H...N hy...
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Molecules of the title compound [systematic name: 5-nitro-1H-isoindole-1,3(2H)-dione], C14H8N2O4, adopt a conformation in the solid state which renders them chiral, and they are linked by three distinct types of direction-specific intermolecular interaction. The molecules are linked by two C-H...O hydrogen bonds [H...O = 2.50 and 2.52 A, C...O = 3.118 (7) and 3.294 (7) A, and C-H...O = 123 and ...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section C Crystal Structure Communications
سال: 2006
ISSN: 0108-2701
DOI: 10.1107/s0108270106005002