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Table 1 Selected bond lengths (Å) and angles (°) for Ti(2,4-6)(O i Pr) 2 , as determined by X-ray diffraction studies

From: Monomeric Ti(IV) homopiperazine complexes and their exploitation for the ring opening polymerisation of rac-lactide

 

Ti(2)(OiPr)2

Ti(4)(OiPr)2

Ti(5)(OiPr)2

Ti(6)(OiPr)2

Ti1-O1

1.8310(17)

1.836(4)

1.812(3)

1.8490(18)

Ti1-O2

1.8375(16)

1.833(3)

1.838(3)

1.8323(17)

Ti1-O3

1.9568(16)

1.931(3)

1.939(3)

1.9175(19)

Ti1-O4

1.8834(17)

1.873(3)

1.892(3)

1.9106(18)

Ti1-N1

2.285(2)

2.293(4)

2.298(4)

2.255(2)

Ti1-N2

2.349(2)

2.346(4)

2.334(4)

2.268(2)

N1-Ti1-O1

101.94(7)

102.78(16)

103.54(15)

86.18(8)

N1-Ti1-O2

92.39(7)

89.46(16)

89.09(14)

90.87(8)

N2-Ti1-O1

168.57(8)

170.35(16)

171.26(14)

88.51(8)

N2-Ti1-O2

84.54(7)

86.07(15)

86.41(14)

87.99(8)

N1-Ti1-N2

68.08(7)

67.91(15)

67.90(13)

70.09(8)