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All results from a given calculation for C3H6S (Thietane)

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-515.298632
Energy at 298.15K-515.305755
HF Energy-514.602987
Nuclear repulsion energy164.254893
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3192 3024 20.94      
2 A' 3161 2995 7.45      
3 A' 3124 2959 14.21      
4 A' 3107 2944 26.36      
5 A' 1539 1458 1.47      
6 A' 1512 1432 2.45      
7 A' 1285 1217 2.24      
8 A' 1229 1164 0.78      
9 A' 1007 954 2.01      
10 A' 967 916 0.24      
11 A' 877 831 3.32      
12 A' 721 684 2.48      
13 A' 545 516 2.35      
14 A' 163 154 1.51      
15 A" 3187 3020 5.50      
16 A" 3123 2958 44.59      
17 A" 1513 1434 0.25      
18 A" 1336 1266 1.71      
19 A" 1278 1211 9.87      
20 A" 1215 1151 6.47      
21 A" 1052 996 0.06      
22 A" 1008 955 0.15      
23 A" 835 792 0.03      
24 A" 708 670 1.74      

Unscaled Zero Point Vibrational Energy (zpe) 18841.1 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 17850.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/6-31G(2df,p)
ABC
0.33749 0.22197 0.14788

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.331 1.043 0.000
C2 -0.200 -0.299 1.150
C3 -0.200 -0.299 -1.150
C4 -0.200 -1.330 0.000
H5 -1.190 -0.106 1.564
H6 0.502 -0.488 1.962
H7 -1.190 -0.106 -1.564
H8 0.502 -0.488 -1.962
H9 -1.047 -2.019 0.000
H10 0.722 -1.914 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.84561.84562.43172.46582.49432.46582.49433.35772.9832
C21.84562.30091.54481.09061.08932.89603.19582.23582.1869
C31.84562.30091.54482.89603.19581.09061.08932.23582.1869
C42.43171.54481.54482.21962.24702.21962.24701.09201.0913
H52.46581.09062.89602.21961.78013.12823.92952.47523.0617
H62.49431.08933.19582.24701.78013.92953.92302.93102.4351
H72.46582.89601.09062.21963.12823.92951.78012.47523.0617
H82.49433.19581.08932.24703.92953.92301.78012.93102.4351
H93.35772.23582.23581.09202.47522.93102.47522.93101.7720
H102.98322.18692.18691.09133.06172.43513.06172.43511.7720

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 91.208 S1 C2 H5 111.639
S1 C2 H6 113.895 S1 C3 C4 91.208
S1 C3 H7 111.639 S1 C3 H8 113.895
C2 S1 C3 77.119 C2 C4 C3 96.268
C2 C4 H9 114.893 C2 C4 H10 110.945
C3 C4 H9 114.893 C3 C4 H10 110.945
C4 C2 H5 113.629 C4 C2 H6 116.011
C4 C3 H7 113.629 C4 C3 H8 116.011
H5 C2 H6 109.491 H7 C3 H8 109.491
H9 C4 H10 108.511
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability