SI. No.

Compounds

ν(P)-O-C

νP-O-(C)

Ring Vibration

ν P=S

νP-S

ν (Ti-S)

1

Cp₂Ti[S₂P(OEt)₂]₂

1014.5 s

817.8 s

--

644.2 m

530.0 w

400.0 m

2

Cp₂Ti[S₂P(OPr-n)₂]₂

1060.0 m

827.4 m

--

655.8 m

520.0 m

408.0 w

3

Cp₂Ti[S₂P(OPr-i)₂]₂

1022.2 m

800.4 m

--

638.0 m

540.0 w

400.0 m

4

Cp₂Ti[S₂P(OBu-i)₂]₂

1018.3 s

804.3 s

--

661.5 m

550.0 m

406.0 w

5

Cp₂Ti[S₂P(OPh)₂]₂

1104.0 s

820.8 s

--

682.5 s

513.0 w

409.0 w

6

Cp₂Ti[S₂POCH₂CMe₂CH₂O]₂

10415 s

815.8 m

987.5 s

667.3 m

601.7 m

410.0 w

7

Cp₂Ti[S₂POCH₂CEt₂CH₂O]₂

1066.6 s

937.3 m

995.0 s

671.2 m

602.0 m

428 0 m

8

Cp₂Ti[S₂POCMe₂CMe₂O]₂

1022.5 s

800.4 s

921.9 m

704.0 m

584.4 m

414.0 m