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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD(T)=FULL/6-31+G**

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(T)=FULL/6-31+G**
 hartrees
Energy at 0K-438.048954
Energy at 298.15K-438.052849
HF Energy-437.709731
Nuclear repulsion energy56.225954
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(T)=FULL/6-31+G**
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' 3210 3210        
2 A' 3109 3109        
3 A' 2767 2767        
4 A' 1520 1520        
5 A' 1424 1424        
6 A' 1134 1134        
7 A' 824 824        
8 A' 733 733        
9 A" 3205 3205        
10 A" 1499 1499        
11 A" 1007 1007        
12 A" 251 251        

Unscaled Zero Point Vibrational Energy (zpe) 10341.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10341.5 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(T)=FULL/6-31+G**
ABC
3.46011 0.42817 0.41071

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.156 0.000
S2 -0.048 -0.668 0.000
H3 1.279 -0.817 0.000
H4 -1.091 1.466 0.000
H5 0.432 1.556 0.891
H6 0.432 1.556 -0.891

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82412.37771.08851.08811.0881
S21.82411.33542.37572.44352.4435
H32.37771.33543.29112.67252.6725
H41.08852.37573.29111.76691.7669
H51.08812.44352.67251.76691.7816
H61.08812.44352.67251.76691.7816

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.400 S2 C1 H4 106.560
S2 C1 H5 111.573 S2 C1 H6 111.573
H4 C1 H5 108.543 H4 C1 H6 108.543
H5 C1 H6 109.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability