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Self-assembled Transition Metal Coordination Frameworks of ...

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Chapter 6<br />

with v |(B—F) at ~777 cm" and v4(B—F) at ~533 cm" frequencies <strong>of</strong> uncoordinated BF4<br />

anions having T d geometry [36]. The strong bands seen at 1095 cm" for compound 27<br />

is attributed to v(C-S) band and the higher shift from that <strong>of</strong> free ligand is in<br />

agreement<br />

40with<br />

sulfur coordination. The coordination through thiolate sulfur after<br />

_ j ‘ '<br />

deprotonation for these two complexes are in accordance with a previous report [13].<br />

100­<br />

80­<br />

I .<br />

20­<br />

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