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Table 2 The geometry of the hydrogen bonds (Å, °)

From: Synthesis and crystal structures of 5'-phenylspiro[indoline-3, 2'-pyrrolidin]-2-one derivatives

D-H···A

D(D-H)

D(H···A)

D(D···A)

<(DHA)

Compound (I)

N(2)-H(6)···O(1)vi

0.87(3)

2.55

3.360(3)

153

N(3)-H(10)···O(3)v

0.83(3)

2.16

2.894(3)

148

C(2)-H(2)···O(1)iv

0.93

2.54

3.450(3)

165

C(5)-H(5)···N(2)

0.93

2.58

2.888(3)

100

C(7)-H(7)···O(3)

0.98

2.55

3.055(3)

112

C(9)-H(9)···O(2)

0.98

2.34

2.810(3)

108

Compound (II)

N(3)-H(10)···O(3)iii

0.84(3)

2.06

2.892(3)

170

C(1)-H(1)···O(1)i

0.93

2.39

3.275(3)

160

C(5)-H(5)···N(2)

0.93

2.54

2.871(3)

101

C(9)-H(9)···O(2)

0.98

2.41

2.857(3)

107

C(23)-H(23)···O(2)ii

0.93

2.54

3.318(3)

142

  1. Symmetry tranformation used: (i) 1/2-x,y,-z; (ii)1/2-x,1/2-y,1/2-z; (iii) -x,1-y,-z; (iv) -x,1-y,1-z; (v) 2-x,-y,1-z; (vi) 1+x,y,z