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 CH3CSCH3 (Thioacetone)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-514.841066
Energy at 298.15K-514.847045
HF Energy-514.516040
Nuclear repulsion energy150.561094
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 CISD/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 A1 3210 3010 3.42      
2 A1 3079 2888 21.58      
3 A1 1578 1480 2.48      
4 A1 1508 1414 5.17      
5 A1 1353 1269 96.20      
6 A1 1060 994 5.90      
7 A1 710 666 1.77      
8 A1 393 368 0.57      
9 A2 3128 2933 0.00      
10 A2 1554 1457 0.00      
11 A2 997 935 0.00      
12 A2 100 94 0.00      
13 B1 3135 2940 28.70      
14 B1 1571 1473 27.30      
15 B1 1151 1079 0.07      
16 B1 459 431 2.50      
17 B1 161 151 0.67      
18 B2 3208 3008 12.95      
19 B2 3070 2879 3.02      
20 B2 1556 1459 6.94      
21 B2 1494 1401 21.27      
22 B2 1285 1206 9.69      
23 B2 1006 943 0.29      
24 B2 405 380 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 18585.6 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 17429.6 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 CISD/6-31G
ABC
0.28743 0.15747 0.10576

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.276
S2 0.000 0.000 1.405
C3 0.000 1.278 -1.084
C4 0.000 -1.278 -1.084
H5 0.000 2.157 -0.437
H6 0.000 -2.157 -0.437
H7 0.884 1.311 -1.735
H8 -0.884 1.311 -1.735
H9 -0.884 -1.311 -1.735
H10 0.884 -1.311 -1.735

Atom - Atom Distances (Å)
  C1 S2 C3 C4 H5 H6 H7 H8 H9 H10
C11.68091.51171.51172.16252.16252.15142.15142.15142.1514
S21.68092.79732.79732.83602.83603.51553.51553.51553.5155
C31.51172.79732.55591.09083.49481.09881.09882.81212.8121
C41.51172.79732.55593.49481.09082.81212.81211.09881.0988
H52.16252.83601.09083.49484.31301.78381.78383.80653.8065
H62.16252.83603.49481.09084.31303.80653.80651.78381.7838
H72.15143.51551.09882.81211.78383.80651.76843.16232.6217
H82.15143.51551.09882.81211.78383.80651.76842.62173.1623
H92.15143.51552.81211.09883.80651.78383.16232.62171.7684
H102.15143.51552.81211.09883.80651.78382.62173.16231.7684

picture of Thioacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 111.364 C1 C3 H7 109.997
C1 C3 H8 109.997 C1 C4 H6 111.364
C1 C4 H9 109.997 C1 C4 H10 109.997
S2 C1 C3 122.284 S2 C1 C4 122.284
C3 C1 C4 115.432 H5 C3 H7 109.109
H5 C3 H8 109.109 H6 C4 H9 109.109
H6 C4 H10 109.109 H7 C3 H8 107.164
H9 C4 H10 107.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability