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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD(TQ)=FULL/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(TQ)=FULL/cc-pVDZ
 hartrees
Energy at 0K-438.065194
Energy at 298.15K-438.069064
HF Energy-437.724964
Nuclear repulsion energy55.774590
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(TQ)=FULL/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' 3171 3171        
2 A' 3068 3068        
3 A' 2722 2722        
4 A' 1482 1482        
5 A' 1354 1354        
6 A' 1096 1096        
7 A' 796 796        
8 A' 716 716        
9 A" 3167 3167        
10 A" 1470 1470        
11 A" 970 970        
12 A" 252 252        

Unscaled Zero Point Vibrational Energy (zpe) 10132.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10132.2 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 QCISD(TQ)=FULL/cc-pVDZ
ABC
3.36693 0.42309 0.40562

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.162 0.000
S2 -0.048 -0.672 0.000
H3 1.296 -0.819 0.000
H4 -1.107 1.471 0.000
H5 0.437 1.566 0.904
H6 0.437 1.566 -0.904

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83442.39411.10291.10251.1025
S21.83441.35232.39032.46252.4625
H32.39411.35233.31932.69162.6916
H41.10292.39033.31931.79161.7916
H51.10252.46252.69161.79161.8072
H61.10252.46252.69161.79161.8072

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.227 S2 C1 H4 106.251
S2 C1 H5 111.513 S2 C1 H6 111.513
H4 C1 H5 108.661 H4 C1 H6 108.661
H5 C1 H6 110.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability