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All results from a given calculation for C3H6S (Thietane)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-30.400197
Energy at 298.15K-30.407357
HF Energy-29.874398
Nuclear repulsion energy65.700872
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 MP2/CEP-121G*
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' 3182 3032 41.20      
2 A' 3157 3008 5.13      
3 A' 3099 2953 26.99      
4 A' 3085 2939 40.60      
5 A' 1546 1473 0.67      
6 A' 1517 1445 4.88      
7 A' 1292 1231 3.04      
8 A' 1219 1161 1.60      
9 A' 1021 972 4.00      
10 A' 965 919 0.14      
11 A' 884 842 2.63      
12 A' 712 679 3.00      
13 A' 537 511 2.94      
14 A' 198 189 1.92      
15 A" 3177 3027 9.92      
16 A" 3099 2953 63.43      
17 A" 1518 1447 0.04      
18 A" 1332 1269 2.06      
19 A" 1270 1210 15.74      
20 A" 1210 1153 4.97      
21 A" 1047 998 0.27      
22 A" 998 951 0.51      
23 A" 841 801 0.03      
24 A" 703 669 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 18803.3 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 17915.7 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 MP2/CEP-121G*
ABC
0.33595 0.21865 0.14739

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.446 1.004 0.000
C2 -0.271 -0.277 1.141
C3 -0.271 -0.277 -1.141
C4 -0.271 -1.325 0.000
H5 -1.273 0.032 1.455
H6 0.355 -0.469 2.017
H7 -1.273 0.032 -1.455
H8 0.355 -0.469 -2.017
H9 -1.105 -2.036 0.000
H10 0.677 -1.873 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.85881.85882.43612.45292.49952.45292.49953.41262.8855
C21.85882.28241.54941.09491.09342.80013.22562.25702.1786
C31.85882.28241.54942.80013.22561.09491.09342.25702.1786
C42.43611.54941.54942.22762.27882.22762.27881.09681.0942
H52.45291.09492.80012.22761.79352.91003.86752.53393.0896
H62.49951.09343.22562.27881.79353.86754.03482.94222.4786
H72.45292.80011.09492.22762.91003.86751.79352.53393.0896
H82.49953.22561.09342.27883.86754.03481.79352.94222.4786
H93.41262.25702.25701.09682.53392.94222.53392.94221.7896
H102.88552.17862.17861.09423.08962.47863.08962.47861.7896

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 90.787 S1 C2 H5 109.562
S1 C2 H6 113.129 S1 C3 C4 90.787
S1 C3 H7 109.562 S1 C3 H8 113.129
C2 S1 C3 75.749 C2 C4 C3 94.876
C2 C4 H9 116.015 C2 C4 H10 109.797
C3 C4 H9 116.015 C3 C4 H10 109.797
C4 C2 H5 113.684 C4 C2 H6 118.116
C4 C3 H7 113.684 C4 C3 H8 118.116
H5 C2 H6 110.083 H7 C3 H8 110.083
H9 C4 H10 109.528
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability