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All results from a given calculation for C3H6S (Thietane)

using model chemistry: QCISD/3-21G

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/3-21G
 hartrees
Energy at 0K-512.355463
Energy at 298.15K-512.362394
HF Energy-511.979935
Nuclear repulsion energy158.282046
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/3-21G
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' 3179 3081 17.77      
2 A' 3119 3023 12.75      
3 A' 3105 3009 2.30      
4 A' 3067 2973 21.99      
5 A' 1560 1512 0.24      
6 A' 1541 1494 5.48      
7 A' 1265 1226 3.05      
8 A' 1224 1186 0.14      
9 A' 962 932 1.48      
10 A' 902 874 0.38      
11 A' 842 816 3.36      
12 A' 664 644 4.14      
13 A' 512 496 5.55      
14 A' 149 145 1.62      
15 A" 3176 3078 2.51      
16 A" 3105 3010 33.15      
17 A" 1533 1486 0.50      
18 A" 1353 1311 4.94      
19 A" 1285 1245 14.67      
20 A" 1200 1163 8.08      
21 A" 1052 1020 0.16      
22 A" 950 921 0.48      
23 A" 798 773 0.03      
24 A" 585 567 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 18563.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 17991.8 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/3-21G
ABC
0.32279 0.19944 0.13523

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.401 1.095 0.000
C2 -0.245 -0.339 1.179
C3 -0.245 -0.339 -1.179
C4 -0.245 -1.374 0.000
H5 -1.246 -0.077 1.530
H6 0.442 -0.519 2.007
H7 -1.246 -0.077 -1.530
H8 0.442 -0.519 -2.007
H9 -1.095 -2.067 0.000
H10 0.694 -1.940 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.96571.96572.55222.53572.57582.53572.57583.49793.0494
C21.96572.35731.56841.09281.09142.89983.26382.25742.1989
C31.96572.35731.56842.89983.26381.09281.09142.25742.1989
C42.55221.56841.56842.24182.28712.24182.28711.09661.0969
H52.53571.09282.89982.24181.80933.06063.94442.51453.0948
H62.57581.09143.26382.28711.80933.94444.01372.96422.4719
H72.53572.89981.09282.24183.06063.94441.80932.51453.0948
H82.57583.26381.09142.28713.94444.01371.80932.96422.4719
H93.49792.25742.25741.09662.51452.96422.51452.96421.7939
H103.04942.19892.19891.09693.09482.47193.09482.47191.7939

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 91.762 S1 C2 H5 108.614
S1 C2 H6 111.605 S1 C3 C4 91.762
S1 C3 H7 108.614 S1 C3 H8 111.605
C2 S1 C3 73.683 C2 C4 C3 97.440
C2 C4 H9 114.630 C2 C4 H10 109.918
C3 C4 H9 114.630 C3 C4 H10 109.918
C4 C2 H5 113.581 C4 C2 H6 117.482
C4 C3 H7 113.581 C4 C3 H8 117.482
H5 C2 H6 111.863 H7 C3 H8 111.863
H9 C4 H10 109.735
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability