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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-438.068159
Energy at 298.15K-438.071999
HF Energy-437.729758
Nuclear repulsion energy55.708602
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 QCISD/aug-cc-pVDZ
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' 3159 3060 8.95      
2 A' 3063 2968 25.22      
3 A' 2707 2622 5.47      
4 A' 1477 1430 5.47      
5 A' 1353 1311 8.74      
6 A' 1095 1061 9.59      
7 A' 797 772 0.48      
8 A' 716 693 1.99      
9 A" 3161 3062 8.16      
10 A" 1465 1419 3.21      
11 A" 974 943 3.48      
12 A" 228 221 10.74      

Unscaled Zero Point Vibrational Energy (zpe) 10097.1 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 9781.0 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 QCISD/aug-cc-pVDZ
ABC
3.36810 0.42147 0.40417

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.166 0.000
S2 -0.048 -0.673 0.000
H3 1.296 -0.831 0.000
H4 -1.106 1.475 0.000
H5 0.438 1.562 0.904
H6 0.438 1.562 -0.904

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83932.40741.10111.09981.0998
S21.83931.35382.39372.45912.4591
H32.40741.35383.32902.69752.6975
H41.10112.39373.32901.79071.7907
H51.09982.45912.69751.79071.8075
H61.09982.45912.69751.79071.8075

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.687 S2 C1 H4 106.259
S2 C1 H5 111.067 S2 C1 H6 111.067
H4 C1 H5 108.898 H4 C1 H6 108.898
H5 C1 H6 110.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability