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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-438.000211
Energy at 298.15K-438.004116
HF Energy-437.699752
Nuclear repulsion energy56.170118
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 CCSD=FULL/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' 3190 3030 8.77      
2 A' 3098 2943 24.38      
3 A' 2718 2582 25.54      
4 A' 1540 1462 8.01      
5 A' 1437 1365 6.63      
6 A' 1144 1086 21.42      
7 A' 831 789 1.56      
8 A' 747 710 1.44      
9 A" 3188 3028 11.18      
10 A" 1527 1450 5.50      
11 A" 1022 971 5.92      
12 A" 254 241 17.81      

Unscaled Zero Point Vibrational Energy (zpe) 10347.7 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 9828.3 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 CCSD=FULL/6-31G*
ABC
3.42282 0.42908 0.41129

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.153 0.000
S2 -0.048 -0.667 0.000
H3 1.291 -0.817 0.000
H4 -1.097 1.463 0.000
H5 0.433 1.555 0.895
H6 0.433 1.555 -0.895

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82072.38301.09321.09301.0930
S21.82071.34802.37442.44392.4439
H32.38301.34803.30202.67692.6769
H41.09322.37443.30201.77521.7752
H51.09302.44392.67691.77521.7904
H61.09302.44392.67691.77521.7904

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.393 S2 C1 H4 106.456
S2 C1 H5 111.558 S2 C1 H6 111.558
H4 C1 H5 108.577 H4 C1 H6 108.577
H5 C1 H6 109.967
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability