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

using model chemistry: MP2/CEP-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/CEP-31G
 hartrees
Energy at 0K-51.416904
Energy at 298.15K-51.424343
HF Energy-50.929498
Nuclear repulsion energy117.192819
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-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 3177 3070 27.58      
2 A 3147 3041 27.04      
3 A 3133 3028 20.17      
4 A 3083 2980 42.13      
5 A 3062 2958 35.91      
6 A 3052 2949 22.77      
7 A 1589 1535 237.49      
8 A 1509 1458 1.35      
9 A 1498 1448 6.43      
10 A 1490 1440 7.28      
11 A 1389 1342 0.30      
12 A 1347 1302 1.73      
13 A 1344 1298 17.90      
14 A 1260 1217 1.78      
15 A 1200 1159 4.40      
16 A 1133 1095 7.64      
17 A 1073 1037 20.83      
18 A 1061 1025 1.33      
19 A 1028 993 83.22      
20 A 909 879 22.71      
21 A 899 869 5.66      
22 A 854 825 21.60      
23 A 656 633 2.71      
24 A 586 566 17.50      
25 A 564 545 44.47      
26 A 461 445 2.48      
27 A 448 433 1.29      
28 A 381 368 4.82      
29 A 214 207 2.13      
30 A 112 108 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 20828.2 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 20126.2 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-31G
ABC
0.13523 0.09727 0.05970

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.141 1.471 0.192
H2 -0.611 2.298 -0.377
H3 -0.134 1.741 1.272
C4 1.302 1.119 -0.307
H5 2.051 1.844 0.079
H6 1.327 1.135 -1.417
C7 1.642 -0.333 0.205
H8 1.901 -0.333 1.283
H9 2.454 -0.799 -0.386
C10 -1.030 0.194 0.025
O11 -2.293 0.169 -0.049
S12 0.045 -1.371 -0.048

Atom - Atom Distances (Å)
  C1 H2 H3 C4 H5 H6 C7 H8 H9 C10 O11 S12
C11.10901.11341.56672.22632.20402.53632.93513.49541.56582.52712.8588
H21.10901.80572.24882.73952.48863.51283.99924.35742.18352.73323.7426
H31.11341.80572.22312.49203.12012.93122.90553.98662.17982.97933.3850
C41.56672.24882.22311.11151.11081.57662.23492.23832.53113.72732.8018
H52.22632.73952.49201.11151.80692.21862.49222.71293.49614.65763.7921
H62.20402.48863.12011.11081.80692.21033.12642.46412.91983.98893.1309
C72.53633.51282.93121.57662.21862.21031.10871.10692.72943.97451.9215
H82.93513.99922.90552.23492.49223.12641.10871.81833.23304.42882.5088
H93.49544.35743.98662.23832.71292.46411.10691.81833.64604.85602.4993
C101.56582.18352.17982.53113.49612.91982.72943.23303.64601.26491.9002
O112.52712.73322.97933.72734.65763.98893.97454.42884.85601.26492.7994
S122.85883.74263.38502.80183.79213.13091.92152.50882.49931.90022.7994

picture of Dihydro-2-(3H)-thiophenone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H5 111.324 C1 C4 H6 109.632
C1 C4 C7 107.586 C1 C10 O11 126.114
C1 C10 S12 110.774 H2 C1 H3 108.687
H2 C1 C4 113.271 H2 C1 C10 108.226
H3 C1 C4 110.961 H3 C1 C10 107.703
C4 C1 C10 107.810 C4 C7 H8 111.472
C4 C7 H9 111.850 C4 C7 S12 106.022
H5 C4 H6 108.797 H5 C4 C7 110.040
H6 C4 C7 109.440 C7 S12 C10 91.151
H8 C7 H9 110.308 H8 C7 S12 108.797
H9 C7 S12 108.206 O11 C10 S12 123.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability