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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD(T)=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-438.236044
Energy at 298.15K-438.239904
HF Energy-437.757632
Nuclear repulsion energy56.351150
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/aug-cc-pVTZ
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' 3146 3146        
2 A' 3079 3079        
3 A' 2711 2711        
4 A' 1512 1512        
5 A' 1369 1369        
6 A' 1104 1104        
7 A' 805 805        
8 A' 725 725        
9 A" 3149 3149        
10 A" 1498 1498        
11 A" 984 984        
12 A" 233 233        

Unscaled Zero Point Vibrational Energy (zpe) 10156.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10156.8 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/aug-cc-pVTZ
ABC
3.45039 0.43097 0.41327

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.154 0.000
S2 -0.048 -0.666 0.000
H3 1.282 -0.816 0.000
H4 -1.092 1.458 0.000
H5 0.433 1.543 0.892
H6 0.433 1.543 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81972.37691.08701.08571.0857
S21.81971.33802.36622.43022.4302
H32.37691.33803.28692.66142.6614
H41.08702.36623.28691.76841.7684
H51.08572.43022.66141.76841.7846
H61.08572.43022.66141.76841.7846

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.461 S2 C1 H4 106.239
S2 C1 H5 110.999 S2 C1 H6 110.999
H4 C1 H5 108.961 H4 C1 H6 108.961
H5 C1 H6 110.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability