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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2=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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-438.186294
Energy at 298.15K-438.190181
HF Energy-437.757704
Nuclear repulsion energy56.627660
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/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' 3193 3037 3.73 50.02 0.75 0.85
2 A' 3114 2962 18.93 152.99 0.00 0.00
3 A' 2775 2640 0.65 122.89 0.20 0.33
4 A' 1522 1448 7.34 3.91 0.75 0.85
5 A' 1375 1308 4.75 0.54 0.05 0.09
6 A' 1110 1056 10.54 1.62 0.64 0.78
7 A' 817 777 0.32 7.65 0.17 0.28
8 A' 744 707 1.34 13.62 0.18 0.30
9 A" 3198 3042 2.87 58.16 0.75 0.86
10 A" 1507 1433 4.43 3.77 0.75 0.86
11 A" 994 945 4.27 0.06 0.75 0.86
12 A" 241 230 10.93 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10293.5 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 9793.2 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/aug-cc-pVTZ
ABC
3.47492 0.43574 0.41783

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.147 0.000
S2 -0.048 -0.662 0.000
H3 1.276 -0.813 0.000
H4 -1.089 1.450 0.000
H5 0.430 1.537 0.890
H6 0.430 1.537 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.80882.36501.08441.08291.0829
S21.80881.33232.35462.41992.4199
H32.36501.33233.27322.65162.6516
H41.08442.35463.27321.76251.7625
H51.08292.41992.65161.76251.7801
H61.08292.41992.65161.76251.7801

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.512 S2 C1 H4 106.234
S2 C1 H5 111.121 S2 C1 H6 111.121
H4 C1 H5 108.830 H4 C1 H6 108.830
H5 C1 H6 110.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability