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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2=FULL/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/cc-pVTZ
 hartrees
Energy at 0K-438.171835
Energy at 298.15K-438.175738
HF Energy-437.756637
Nuclear repulsion energy56.626088
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-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' 3201 3039 4.37 56.04 0.75 0.86
2 A' 3117 2960 19.36 133.63 0.00 0.00
3 A' 2777 2637 1.42 120.61 0.28 0.44
4 A' 1518 1441 6.94 7.85 0.75 0.86
5 A' 1377 1307 5.33 0.38 0.62 0.76
6 A' 1110 1054 11.25 5.14 0.73 0.84
7 A' 816 774 0.45 7.48 0.30 0.47
8 A' 743 705 1.42 11.65 0.21 0.35
9 A" 3205 3043 4.81 58.73 0.75 0.86
10 A" 1504 1428 4.40 7.58 0.75 0.86
11 A" 990 940 4.61 1.96 0.75 0.86
12 A" 255 242 13.53 3.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10306.4 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9784.9 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-pVTZ
ABC
3.48533 0.43534 0.41748

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 1.147 0.000
S2 -0.047 -0.662 0.000
H3 1.276 -0.816 0.000
H4 -1.088 1.448 0.000
H5 0.428 1.541 0.888
H6 0.428 1.541 -0.888

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.80932.36741.08301.08151.0815
S21.80931.33222.35282.42252.4225
H32.36741.33223.27302.65762.6576
H41.08302.35283.27301.75891.7589
H51.08152.42252.65761.75891.7763
H61.08152.42252.65761.75891.7763

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.622 S2 C1 H4 106.138
S2 C1 H5 111.355 S2 C1 H6 111.355
H4 C1 H5 108.709 H4 C1 H6 108.709
H5 C1 H6 110.417
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability