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All results from a given calculation for C4H6OS (Dihydro-3-(2H)-thiophenone)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-628.196182
Energy at 298.15K-628.203713
HF Energy-627.346778
Nuclear repulsion energy289.121677
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 MP2/6-31G**
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 3233 3027 5.17      
2 A 3226 3021 0.57      
3 A 3215 3011 4.81      
4 A 3154 2954 20.65      
5 A 3145 2945 10.61      
6 A 3140 2940 3.90      
7 A 1805 1690 125.35      
8 A 1543 1445 1.92      
9 A 1503 1408 5.98      
10 A 1500 1405 8.62      
11 A 1350 1264 12.48      
12 A 1344 1259 12.16      
13 A 1271 1190 23.94      
14 A 1253 1174 4.87      
15 A 1196 1120 10.56      
16 A 1184 1109 40.68      
17 A 1140 1068 4.29      
18 A 1032 967 6.62      
19 A 1014 950 1.39      
20 A 906 849 5.43      
21 A 869 814 0.93      
22 A 819 767 0.59      
23 A 756 708 5.51      
24 A 715 670 0.64      
25 A 569 533 3.13      
26 A 494 462 4.18      
27 A 451 423 3.71      
28 A 432 405 4.88      
29 A 204 191 2.20      
30 A 67 63 10.27      

Unscaled Zero Point Vibrational Energy (zpe) 21265.1 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 19914.8 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 MP2/6-31G**
ABC
0.18949 0.08234 0.06085

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.166 -0.083 -0.015
C2 -0.507 1.275 -0.210
H3 -1.105 2.045 0.276
H4 -0.496 1.478 -1.284
C5 0.916 1.173 0.318
H6 0.943 1.287 1.402
H7 1.584 1.909 -0.124
C8 -0.135 -1.200 0.176
S9 1.498 -0.491 -0.159
H10 -0.356 -2.017 -0.509
O11 -2.370 -0.282 -0.004
H12 -0.218 -1.576 1.197

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.52222.14812.12022.45432.88613.39751.53242.69892.15511.22052.1443
C21.52221.08911.09271.52132.16802.18672.53312.67263.30982.43703.1930
H32.14811.08911.76842.20152.45662.72213.38853.66004.20472.66323.8401
H42.12021.09271.76842.15653.05242.42013.07113.01933.58272.87193.9443
C52.45431.52132.20152.15651.09031.08752.60001.82643.53273.60853.1013
H62.88612.16802.45663.05241.09031.76782.97542.42994.03163.92613.0961
H73.39752.18672.72212.42011.08751.76783.56602.40244.39654.52244.1399
C81.53242.53313.38853.07112.60002.97543.56601.81141.08822.42301.0916
S92.69892.67263.66003.01931.82642.42992.40241.81142.42623.87672.4408
H102.15513.30984.20473.58273.53274.03164.39651.08822.42622.70641.7673
O111.22052.43702.66322.87193.60853.92614.52242.42303.87672.70642.7841
H122.14433.19303.84013.94433.10133.09614.13991.09162.44081.76732.7841

picture of Dihydro-3-(2H)-thiophenone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H3 109.577 C1 C2 H4 107.210
C1 C2 C5 107.493 C1 C8 S9 107.337
C1 C8 H10 109.476 C1 C8 H12 108.441
C2 C1 C8 112.052 C2 C1 O11 125.028
C2 C5 H6 111.155 C2 C5 H7 112.848
C2 C5 S9 105.586 H3 C2 H4 108.294
H3 C2 C5 113.969 H4 C2 C5 110.092
C5 S9 C8 91.238 H6 C5 H7 108.531
H6 C5 S9 110.272 H7 C5 S9 108.387
C8 C1 O11 122.920 S9 C8 H10 111.131
S9 C8 H12 112.052 H10 C8 H12 108.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability