3,3′-Dibenzoyl-1,1′-dibenzyl-1,1′-(ethane-1,2-diyl)dithiourea
نویسندگان
چکیده
In the title compound, C(32)H(30)N(4)O(2)S(2), the carbonyl and thio-carbonyl groups are found in a rare synclinal conformation, with an S-C⋯C-O pseudo-torsion angle of 62.6 (2)°. The mol-ecule has C(i) = S(2) point-group symmetry with a crystallographic center of inversion located in the middle of the ethyl-ene bridge. One of the symmetry-independent phenyl rings is disordered over two orientations, with a site-occupation ratio of 70:30. The distances between the centroids of the nearest phenyl rings are equal to one of the lattice constants [a = 4.7767 (2) Å], so stacking inter-actions are extremely weak. Mol-ecules are joined by bifurcated hydrogen bonds (N-H⋯O and N-H⋯S), forming a ladder-like arrangement along [100]. van der Waals forces combine these ladders into a three-dimensional structure. The dependency between the S⋯O distance and the improper S=C⋯C=O torsion angle based on 739 structures containing the CC(=O)NC(=S)N moiety is discussed.
منابع مشابه
3,3′-Dibenzoyl-1,1′-(3,6-dioxaoctane-1,8-diyl)dithiourea
In the mol-ecule of the title compound, C(22)H(26)N(4)O(4)S(2), the central O-CH(2)-CH(2)-O chain adopts a synclinal conformation [torsion angle = 65.0 (2)°]. The crystal structure is stabilized by intra-molecular N-H⋯O=C and inter-molecular N-H⋯O-C hydrogen bonds.
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In the centrosymmetric title compound, C(20)H(22)N(4)O(2)S(2), the carbonyl group forms an intra-molecular hydrogen bond with the NH group attached to the butanediyl linker, resulting in a six-membered ring. There are also inter-molecular C-H⋯S inter-actions in the crystal structure, and π-π inter-actions between phenyl groups [2.425 (3) Å].
متن کامل3,3′-Diphenyl-1,1′-(butane-1,4-diyl)dithiourea
The asymmetric unit of the title compound, C(18)H(22)N(4)S(2), contains one half-mol-ecule, the complete mol-ecule being generated by crystallographic inversion symmetry. The crystal structure features two inter-molecular N-H⋯S hydrogen-bonding inter-actions, the first generating an infinite chain along the b axis and the second an infinite chain along the a axis, together forming an inter-lock...
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The title compound, {(C(14)H(18)N(2))[Pb(2)I(6)]}(n), consists of discrete 1,1'-dimethyl-4,4'-(ethane-1,2-di-yl)dipyridinium cations and one-dimensional [Pb(2)I(6)](n) anions. The organic cation has an inversion center at the mid-point of the ethane C-C bond. In the anion, the Pb(II) atom is coordinated by six I atoms in a distorted octa-hedral geometry. The I atoms bridge the Pb(II) atoms into...
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The asymmetric unit of the title salt, {(C(12)H(20)N(4))[Ag(2)Br(4)]}(n), contains one-half of a substituted imidazolium cation, one Ag(+) and two Br(-) ions. The cation is completed by crystallographic inversion symmetry. The crystal structure is made up from polymeric sheets of {[AgBr(2)](-)}(n) anions extending parallel to (100). The basic building unit of the anion is a slightly distorted A...
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عنوان ژورنال:
دوره 68 شماره
صفحات -
تاریخ انتشار 2012