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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2=FULL/cc-pCVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pCVDZ
 hartrees
Energy at 0K-438.229282
Energy at 298.15K-438.233200
HF Energy-437.726161
Nuclear repulsion energy56.111167
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 MP2=FULL/cc-pCVDZ
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' 3222 3076 5.37      
2 A' 3107 2966 23.82      
3 A' 2789 2663 5.67      
4 A' 1493 1425 6.73      
5 A' 1365 1303 8.15      
6 A' 1106 1056 12.56      
7 A' 811 774 0.61      
8 A' 742 708 2.06      
9 A" 3219 3073 8.56      
10 A" 1480 1413 4.23      
11 A" 984 939 5.04      
12 A" 263 251 16.86      

Unscaled Zero Point Vibrational Energy (zpe) 10289.4 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 9823.3 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 MP2=FULL/cc-pCVDZ
ABC
3.39552 0.42891 0.41118

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pCVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.153 0.000
S2 -0.048 -0.668 0.000
H3 1.290 -0.817 0.000
H4 -1.103 1.462 0.000
H5 0.434 1.558 0.901
H6 0.434 1.558 -0.901

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82072.38121.09951.09901.0990
S21.82071.34592.37672.44892.4489
H32.38121.34593.30442.68002.6800
H41.09952.37673.30441.78451.7845
H51.09902.44892.68001.78451.8012
H61.09902.44892.68001.78451.8012

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.369 S2 C1 H4 106.320
S2 C1 H5 111.618 S2 C1 H6 111.618
H4 C1 H5 108.528 H4 C1 H6 108.528
H5 C1 H6 110.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability