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 CH3SCH2CH3 (Ethane, (methylthio)-)

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 CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-516.332831
Energy at 298.15K-516.341260
HF Energy-515.769910
Nuclear repulsion energy169.104290
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' 3213 3015 7.65      
2 A' 3187 2992 21.39      
3 A' 3112 2921 12.08      
4 A' 3110 2919 17.05      
5 A' 3108 2918 41.44      
6 A' 1565 1469 1.82      
7 A' 1556 1460 2.18      
8 A' 1545 1450 12.76      
9 A' 1477 1386 4.69      
10 A' 1440 1352 2.35      
11 A' 1372 1288 25.36      
12 A' 1135 1065 3.54      
13 A' 1043 979 0.45      
14 A' 1015 953 7.82      
15 A' 775 727 0.73      
16 A' 721 677 0.47      
17 A' 361 338 1.01      
18 A' 209 196 0.62      
19 A" 3196 3000 0.37      
20 A" 3194 2998 37.98      
21 A" 3157 2963 10.75      
22 A" 1553 1458 8.12      
23 A" 1528 1434 8.73      
24 A" 1316 1235 0.02      
25 A" 1104 1036 0.38      
26 A" 1024 962 3.47      
27 A" 822 772 3.79      
28 A" 256 240 0.15      
29 A" 173 162 0.32      
30 A" 78 73 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 23671.3 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 22217.9 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
0.53004 0.10564 0.09270

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.715 -1.330 0.000
H2 1.852 -2.415 0.000
H3 2.211 -0.923 0.886
H4 2.211 -0.923 -0.886
C5 0.228 -0.987 0.000
H6 -0.258 -1.409 -0.885
H7 -0.258 -1.409 0.885
S8 0.000 0.817 0.000
C9 -1.811 0.868 0.000
H10 -2.220 0.388 -0.892
H11 -2.220 0.388 0.892
H12 -2.113 1.918 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 S8 C9 H10 H11 H12
C11.09411.09361.09361.52602.16442.16442.74824.15554.38594.38595.0198
H21.09411.77221.77222.16222.49932.49933.72534.91915.02325.02325.8726
H31.09361.77221.77212.17263.07742.51652.95024.49164.95174.62135.2488
H41.09361.77221.77212.17262.51653.07742.95024.49164.62134.95175.2488
C51.52602.16222.17262.17261.09481.09481.81852.75712.94652.94653.7304
H62.16442.49933.07742.51651.09481.77062.40982.89522.66063.19983.9102
H72.16442.49932.51653.07741.09481.77062.40982.89523.19982.66063.9102
S82.74823.72532.95022.95021.81852.40982.40981.81202.43132.43132.3819
C94.15554.91914.49164.49162.75712.89522.89521.81201.09301.09301.0918
H104.38595.02324.95174.62132.94652.66063.19982.43131.09301.78471.7745
H114.38595.02324.62134.95172.94653.19982.66062.43131.09301.78471.7745
H125.01985.87265.24885.24883.73043.91023.91022.38191.09181.77451.7745

picture of Ethane, (methylthio)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 110.259 C1 C5 H7 110.259
C1 C5 S8 110.201 H2 C1 H3 108.204
H2 C1 H4 108.204 H2 C1 C5 110.130
H3 C1 H4 108.232 H3 C1 C5 110.986
H4 C1 C5 110.986 C5 S8 C9 98.824
H6 C5 H7 107.923 H6 C5 S8 109.075
H7 C5 S8 109.075 S8 C9 H10 111.210
S8 C9 H11 111.210 S8 C9 H12 107.625
H10 C9 H11 109.462 H10 C9 H12 108.623
H11 C9 H12 108.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability