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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD(T)/6-311G*

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)/6-311G*
 hartrees
Energy at 0K-438.038729
Energy at 298.15K-438.042611
HF Energy-437.729258
Nuclear repulsion energy56.039151
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)/6-311G*
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' 3137 3020        
2 A' 3047 2933        
3 A' 2591 2494        
4 A' 1508 1452        
5 A' 1414 1361        
6 A' 1123 1081        
7 A' 811 781        
8 A' 727 699        
9 A" 3135 3018        
10 A" 1497 1441        
11 A" 1008 970        
12 A" 247 238        

Unscaled Zero Point Vibrational Energy (zpe) 10122.6 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 9744.0 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 CCSD(T)/6-311G*
ABC
3.40802 0.42700 0.40925

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.157 0.000
S2 -0.048 -0.669 0.000
H3 1.296 -0.821 0.000
H4 -1.097 1.469 0.000
H5 0.433 1.559 0.896
H6 0.433 1.559 -0.896

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82572.39081.09401.09351.0935
S21.82571.35252.38102.44912.4491
H32.39081.35253.31142.68522.6852
H41.09402.38103.31141.77481.7748
H51.09352.44912.68521.77481.7915
H61.09352.44912.68521.77481.7915

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.435 S2 C1 H4 106.570
S2 C1 H5 111.595 S2 C1 H6 111.595
H4 C1 H5 108.458 H4 C1 H6 108.458
H5 C1 H6 110.011
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability