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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD(T)/cc-pVQZ

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(T)/cc-pVQZ
 hartrees
Energy at 0K-438.201075
Energy at 298.15K-438.204929
HF Energy-437.763932
Nuclear repulsion energy56.342677
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(T)/cc-pVQZ
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' 3155 3059        
2 A' 3063 2970        
3 A' 2711 2629        
4 A' 1497 1452        
5 A' 1363 1322        
6 A' 1101 1068        
7 A' 802 778        
8 A' 725 703        
9 A" 3157 3061        
10 A" 1484 1439        
11 A" 979 949        
12 A" 233 226        

Unscaled Zero Point Vibrational Energy (zpe) 10134.7 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 9827.6 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 CCSD(T)/cc-pVQZ
ABC
3.44761 0.43112 0.41337

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.153 0.000
S2 -0.048 -0.665 0.000
H3 1.282 -0.824 0.000
H4 -1.093 1.458 0.000
H5 0.433 1.545 0.893
H6 0.433 1.545 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81842.38291.08821.08701.0870
S21.81841.33962.36622.43192.4319
H32.38291.33963.29332.67042.6704
H41.08822.36623.29331.76951.7695
H51.08702.43192.67041.76951.7850
H61.08702.43192.67041.76951.7850

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.800 S2 C1 H4 106.260
S2 C1 H5 111.147 S2 C1 H6 111.147
H4 C1 H5 108.880 H4 C1 H6 108.880
H5 C1 H6 110.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability