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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-627.740197
Energy at 298.15K-627.747579
HF Energy-627.194907
Nuclear repulsion energy281.800099
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 3195 3057 6.43      
2 A 3185 3048 0.80      
3 A 3138 3003 10.38      
4 A 3120 2985 15.01      
5 A 3114 2979 8.08      
6 A 3069 2936 5.56      
7 A 1642 1571 73.73      
8 A 1555 1488 2.52      
9 A 1530 1464 8.19      
10 A 1525 1459 8.64      
11 A 1367 1308 3.92      
12 A 1349 1291 17.55      
13 A 1288 1232 7.56      
14 A 1256 1201 11.83      
15 A 1203 1151 1.89      
16 A 1169 1119 53.53      
17 A 1128 1080 6.25      
18 A 1032 987 10.60      
19 A 1021 977 0.66      
20 A 916 876 6.53      
21 A 868 831 0.47      
22 A 773 740 0.37      
23 A 733 701 6.49      
24 A 653 624 0.83      
25 A 562 538 2.58      
26 A 485 464 4.47      
27 A 436 418 0.70      
28 A 428 409 7.75      
29 A 174 166 2.23      
30 A 54 52 12.68      

Unscaled Zero Point Vibrational Energy (zpe) 20983.2 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 20076.7 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 MP2/6-31G
ABC
0.18016 0.07818 0.05746

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 -1.180 -0.097 -0.011
C2 -0.545 1.286 -0.210
H3 -1.157 2.039 0.306
H4 -0.565 1.514 -1.288
C5 0.905 1.248 0.298
H6 0.966 1.390 1.382
H7 1.553 1.972 -0.205
C8 -0.161 -1.237 0.155
S9 1.565 -0.502 -0.138
H10 -0.355 -2.023 -0.582
O11 -2.420 -0.301 0.005
H12 -0.232 -1.660 1.164

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.53452.15902.14532.50032.95933.43291.53772.77782.17221.25732.1732
C21.53451.09841.10211.53692.19742.20712.57782.76713.33552.46623.2657
H32.15901.09841.77912.20832.46702.75793.42683.75004.23452.67623.9079
H42.14531.10211.77912.17873.08052.42243.13223.15073.61282.89974.0245
C52.50031.53692.20832.17871.09541.09372.70801.92083.61423.68043.2405
H62.95932.19742.46703.08051.09541.78943.11112.50004.15374.02803.2842
H73.43292.20712.75792.42241.09371.78943.65582.47554.44324.58234.2722
C81.53772.57783.42683.13222.70803.11113.65581.89901.09492.44961.0968
S92.77782.76713.75003.15071.92082.50002.47551.89902.48913.99322.5029
H102.17223.33554.23453.61283.61424.15374.44321.09492.48912.75281.7881
O111.25732.46622.67622.89973.68044.02804.58232.44963.99322.75282.8246
H122.17323.26573.90794.02453.24053.28424.27221.09682.50291.78812.8246

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 109.047 C1 C2 H4 107.781
C1 C2 C5 108.989 C1 C8 S9 107.390
C1 C8 H10 110.065 C1 C8 H12 110.035
C2 C1 C8 114.084 C2 C1 O11 123.803
C2 C5 H6 112.102 C2 C5 H7 112.989
C2 C5 S9 105.776 H3 C2 H4 107.899
H3 C2 C5 112.794 H4 C2 C5 110.202
C5 S9 C8 90.295 H6 C5 H7 109.652
H6 C5 S9 108.863 H7 C5 S9 107.197
C8 C1 O11 122.110 S9 C8 H10 109.537
S9 C8 H12 110.455 H10 C8 H12 109.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability