Bioinorganic Chemistry and Applications / 2010 / Article / Tab 3

Research Article

Organotin Compound Derived from 3-Hydroxy-2-formylpyridine Semicarbazone: Synthesis, Crystal Structure, and Antiproliferative Activity

Table 3

Geometric parameters for hydrogen bonds and for C–H—π and π π interactions in 2.

DHAH AD A

N(3) –H(3A) N(4)(i)2.29(2)3.070(3) 175(3)
N(3) –H(3B) O(2)(ii)2.07(3)2.925(2) 183(4)
C(3) –H(3) N(2)(i)2.34(2)3.280(3) 170(3)
C(19) –H(19) O(2)2.51(2)3.087(3) 119
C–H(I) Cg(J)(a)H–CgC–Cg∠C–H–Cg
C(7) –H(7) Cg(5)(iii)2.763.619(2) 151
C(12) –H(12) Cg(5)(iv)2.863.722(3) 152
Cg(I) Cg(J)(a)Cg–Cg(b)β (c)CgI–Perp(d)CgJ–Perp(e)
Cg(3) Cg(4)(v)3.824(2)10.553.7122(8)3.759(2)
Cg(4) Cg(3)(iv)3.823(2)10.553.759(2)3.7121(8)

Where Cg(3), Cg(4), and Cg(5) are referred to the centroids N(4)C(1)C(2)C(5)C(6)C(7), C(8)–C(14), and C(14)–C(19); Cg–Cg is the distance between ring centroids; symmetry transformations, (i) , , ; (ii) , , ; (iii) , , ; (iv) , , ; (v) , , ; Where is the angle Cg(I) Cg(J) or Cg(i) Me vector and normal to plane I ( ); CgI–Perp is the perpendicular distance of Cg(I) on ring J; CgJ–Perp is the perpendicular distance of Cg(J) on ring I.

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