return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-628.182603
Energy at 298.15K-628.190152
HF Energy-627.338228
Nuclear repulsion energy288.803328
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 MP3/6-31G*
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 3010 5.13      
2 A 3202 3006 0.62      
3 A 3181 2986 6.29      
4 A 3138 2945 19.40      
5 A 3131 2939 10.76      
6 A 3115 2924 4.20      
7 A 1907 1790 174.98      
8 A 1555 1460 2.93      
9 A 1517 1424 6.54      
10 A 1514 1421 11.40      
11 A 1361 1277 5.74      
12 A 1357 1274 16.86      
13 A 1290 1211 26.26      
14 A 1266 1188 4.69      
15 A 1213 1139 25.23      
16 A 1202 1128 22.11      
17 A 1145 1075 4.23      
18 A 1035 972 5.43      
19 A 1024 961 2.02      
20 A 917 861 6.18      
21 A 875 822 0.82      
22 A 824 773 0.98      
23 A 763 716 4.74      
24 A 718 674 0.56      
25 A 577 542 3.68      
26 A 502 471 5.24      
27 A 459 430 5.15      
28 A 440 413 5.09      
29 A 198 186 2.15      
30 A 69 65 11.45      

Unscaled Zero Point Vibrational Energy (zpe) 21351.0 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 20040.0 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 MP3/6-31G*
ABC
0.18821 0.08248 0.06072

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.168 -0.085 -0.013
C2 -0.516 1.278 -0.201
H3 -1.112 2.042 0.305
H4 -0.525 1.499 -1.276
C5 0.921 1.182 0.307
H6 0.967 1.310 1.392
H7 1.582 1.915 -0.157
C8 -0.141 -1.206 0.174
S9 1.499 -0.494 -0.156
H10 -0.361 -2.022 -0.517
O11 -2.361 -0.282 -0.007
H12 -0.222 -1.590 1.196

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.52332.15182.12562.46412.91213.40401.53162.70232.15851.20902.1493
C21.52331.09331.09691.52702.17672.19282.54032.68383.31922.42463.2037
H32.15181.09331.77182.20742.45732.73593.39283.66894.21432.65753.8439
H42.12561.09691.77182.16673.06212.42143.09253.05303.60552.85563.9672
C52.46411.52702.20742.16671.09371.09102.61681.83183.54773.60743.1271
H62.91212.17672.45733.06211.09371.77263.00762.43574.06363.94603.1407
H73.40402.19282.73592.42141.09101.77263.58102.41094.40554.51674.1680
C81.53162.54033.39283.09252.61683.00763.58101.81831.09152.41101.0948
S92.70232.68383.66893.05301.83182.43572.41091.81832.43403.86872.4475
H102.15853.31924.21433.60553.54774.06364.40551.09152.43402.69991.7722
O111.20902.42462.65752.85563.60743.94604.51672.41103.86872.69992.7803
H122.14933.20373.84393.96723.12713.14074.16801.09482.44751.77222.7803

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 109.549 C1 C2 H4 107.316
C1 C2 C5 107.773 C1 C8 S9 107.230
C1 C8 H10 109.604 C1 C8 H12 108.691
C2 C1 C8 112.515 C2 C1 O11 124.700
C2 C5 H6 111.248 C2 C5 H7 112.712
C2 C5 S9 105.715 H3 C2 H4 107.996
H3 C2 C5 113.766 H4 C2 C5 110.255
C5 S9 C8 91.598 H6 C5 H7 108.469
H6 C5 S9 110.161 H7 C5 S9 108.476
C8 C1 O11 122.785 S9 C8 H10 111.064
S9 C8 H12 111.904 H10 C8 H12 108.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability