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Table 2 Hydrogen bond metrics for complexes 1-5

From: Supramolecular architectures and structural diversity in a series of lead (II) Chelates involving 5-Chloro/Bromo thiophene-2-carboxylate and N,N’-donor ligands

D---H....A

H…A (Ǻ)

D…A (Ǻ)

∟D -H…A

Symmetry operation

[Pb(BPY)(5-CTPC)2] (1)

    

C8-H8…O3

2.5300

3.334(4)

145.00

3-x,1-y,2-z

C9-H9…O1

2.4200

3.318(4)

163.00

3-x,1-y,2-z

C14-H14…O4

2.4700

3.364(4)

162.00

2-x,-y,1-z

C17-H17…O4

2.4700

3.351(4)

158.00

2-x,-y,1-z

C18-H18…O2

2.5300

3.273(4)

137.00

1-x,-y,1-z

[Pb(4-BPY)(5-CTPC)2] (2)

    

C9-H9…O2

2.56

3.437(4)

157

2-x,1-y,-z

[Pb2(PHEN)2(5-CTPC)4] (3)

    

C4-H4…Cl1

2.8100

3.617(4)

146.00

−2-x,-y,-z

C11-H11…O2

2.5000

3.143(5)

127.00

-x,1-y,1-z

[Pb(4-BPY)(5-BTPC)2] (4)

    

C22-H22A…Br1

2.8700

3.791(5)

162.00

2-x,-y,2-z

C9-H9…O2

2.5600

3.424(6)

155.00

2-x,1-y,1-z

[Pb2(PHEN)2(5-BTPC)2(ACE)2] (5)

    

C8-H8…O1

2.6000

3.325(5)

135.00

2-x,1-y,1-z

C8-H8…O4

2.4600

3.149(8)

130.00

2-x,1-y,1-z

C15-H15…O2

2.5200

3.109(7)

121.00

2-x,1-y,2-z