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

using model chemistry: MP2=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-628.181962
Energy at 298.15K-628.189491
HF Energy-627.337035
Nuclear repulsion energy289.218153
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=FULL/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 3207 3021 3.92      
2 A 3200 3015 0.27      
3 A 3184 3000 4.25      
4 A 3133 2952 18.33      
5 A 3122 2941 9.71      
6 A 3113 2933 3.29      
7 A 1807 1702 128.63      
8 A 1550 1460 2.98      
9 A 1510 1422 6.72      
10 A 1508 1420 11.50      
11 A 1353 1274 9.74      
12 A 1349 1271 13.16      
13 A 1278 1204 22.32      
14 A 1257 1185 5.12      
15 A 1201 1131 11.21      
16 A 1189 1120 43.12      
17 A 1144 1078 4.70      
18 A 1035 976 7.09      
19 A 1019 960 1.74      
20 A 912 859 6.78      
21 A 873 823 0.73      
22 A 821 774 0.76      
23 A 759 715 5.56      
24 A 718 677 0.66      
25 A 571 538 3.41      
26 A 498 469 4.12      
27 A 452 426 3.65      
28 A 434 409 5.11      
29 A 206 194 2.35      
30 A 67 64 10.77      

Unscaled Zero Point Vibrational Energy (zpe) 21233.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 20006.4 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=FULL/6-31G*
ABC
0.18952 0.08247 0.06096

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.165 -0.082 -0.014
C2 -0.506 1.275 -0.207
H3 -1.106 2.046 0.283
H4 -0.498 1.483 -1.284
C5 0.918 1.171 0.318
H6 0.948 1.283 1.406
H7 1.588 1.910 -0.124
C8 -0.136 -1.198 0.182
S9 1.495 -0.492 -0.162
H10 -0.359 -2.024 -0.497
O11 -2.368 -0.281 -0.009
H12 -0.214 -1.569 1.210

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.52052.14972.12302.45272.88843.39971.53062.69502.15731.22012.1472
C21.52051.09341.09681.52092.17172.19002.53062.66983.31512.43503.1903
H32.14971.09341.77262.20512.46252.72823.38803.66164.21132.66403.8370
H42.12301.09681.77262.16013.06022.42443.07703.02163.59742.87043.9511
C52.45271.52092.20512.16011.09391.09142.59651.82503.53633.60743.0957
H62.88842.17172.46253.06021.09391.77302.97152.43074.03333.93033.0858
H73.39972.19002.72822.42441.09141.77303.56752.40454.40594.52434.1389
C81.53062.53063.38803.07702.59652.97153.56751.80981.09212.42091.0956
S92.69502.66983.66163.02161.82502.43072.40451.80982.42853.87182.4418
H102.15733.31514.21133.59743.53634.03334.40591.09212.42852.70381.7720
O111.22012.43502.66402.87043.60743.93034.52432.42093.87182.70382.7893
H122.14723.19033.83703.95113.09573.08584.13891.09562.44181.77202.7893

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 109.571 C1 C2 H4 107.311
C1 C2 C5 107.501 C1 C8 S9 107.271
C1 C8 H10 109.550 C1 C8 H12 108.555
C2 C1 C8 112.076 C2 C1 O11 125.013
C2 C5 H6 111.260 C2 C5 H7 112.893
C2 C5 S9 105.506 H3 C2 H4 108.069
H3 C2 C5 114.022 H4 C2 C5 110.167
C5 S9 C8 91.179 H6 C5 H7 108.445
H6 C5 S9 110.239 H7 C5 S9 108.435
C8 C1 O11 122.911 S9 C8 H10 111.205
S9 C8 H12 112.016 H10 C8 H12 108.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability