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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD/TZVP

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/TZVP
 hartrees
Energy at 0K-438.071508
Energy at 298.15K-438.075398
HF Energy-437.741314
Nuclear repulsion energy56.083753
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/TZVP
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' 3191 3045 11.10      
2 A' 3097 2956 27.18      
3 A' 2736 2611 12.34      
4 A' 1506 1438 6.32      
5 A' 1414 1349 10.75      
6 A' 1120 1069 14.29      
7 A' 813 776 1.80      
8 A' 730 696 1.59      
9 A" 3189 3044 13.36      
10 A" 1483 1416 3.36      
11 A" 999 953 4.15      
12 A" 249 237 16.24      

Unscaled Zero Point Vibrational Energy (zpe) 10263.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 9795.3 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/TZVP
ABC
3.44532 0.42579 0.40836

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.160 0.000
S2 -0.048 -0.670 0.000
H3 1.285 -0.819 0.000
H4 -1.092 1.469 0.000
H5 0.433 1.556 0.891
H6 0.433 1.556 -0.891

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83052.38691.08811.08741.0874
S21.83051.34182.38022.44552.4455
H32.38691.34183.29952.67622.6762
H41.08812.38023.29951.76811.7681
H51.08742.44552.67621.76811.7827
H61.08742.44552.67621.76811.7827

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.385 S2 C1 H4 106.488
S2 C1 H5 111.323 S2 C1 H6 111.323
H4 C1 H5 108.729 H4 C1 H6 108.729
H5 C1 H6 110.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability