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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP3=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-438.051713
Energy at 298.15K-438.055606
HF Energy-437.725247
Nuclear repulsion energy55.965106
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 MP3=FULL/cc-pVDZ
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' 3216 3024 7.17      
2 A' 3113 2927 24.22      
3 A' 2770 2605 10.02      
4 A' 1496 1407 6.27      
5 A' 1371 1289 8.33      
6 A' 1110 1044 12.44      
7 A' 809 761 0.69      
8 A' 736 692 1.70      
9 A" 3214 3022 10.82      
10 A" 1483 1395 3.91      
11 A" 983 924 4.42      
12 A" 255 240 15.55      

Unscaled Zero Point Vibrational Energy (zpe) 10278.3 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 9664.7 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 MP3=FULL/cc-pVDZ
ABC
3.38909 0.42607 0.40850

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.158 0.000
S2 -0.048 -0.670 0.000
H3 1.291 -0.820 0.000
H4 -1.103 1.468 0.000
H5 0.436 1.560 0.901
H6 0.436 1.560 -0.901

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82762.38911.09961.09911.0991
S21.82761.34812.38352.45352.4535
H32.38911.34813.31202.68542.6854
H41.09962.38353.31201.78601.7860
H51.09912.45352.68541.78601.8018
H61.09912.45352.68541.78601.8018

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.414 S2 C1 H4 106.354
S2 C1 H5 111.485 S2 C1 H6 111.485
H4 C1 H5 108.635 H4 C1 H6 108.635
H5 C1 H6 110.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability