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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2=FULL/6-31G**

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/6-31G**
 hartrees
Energy at 0K-438.003937
Energy at 298.15K-438.007869
HF Energy-437.708884
Nuclear repulsion energy56.528549
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3267 3053 6.70 58.33 0.75 0.86
2 A' 3157 2950 21.81 101.12 0.00 0.01
3 A' 2842 2656 12.12 124.35 0.38 0.55
4 A' 1552 1450 7.43 16.95 0.75 0.86
5 A' 1442 1347 8.93 4.07 0.51 0.67
6 A' 1152 1076 21.70 16.22 0.71 0.83
7 A' 839 784 1.54 8.00 0.55 0.71
8 A' 760 710 1.48 12.33 0.28 0.43
9 A" 3265 3050 8.99 63.37 0.75 0.86
10 A" 1536 1435 4.41 18.90 0.75 0.86
11 A" 1028 961 5.49 6.79 0.75 0.86
12 A" 262 245 17.89 4.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10550.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9858.6 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/6-31G**
ABC
3.48613 0.43344 0.41573

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.148 0.000
S2 -0.048 -0.664 0.000
H3 1.274 -0.815 0.000
H4 -1.087 1.459 0.000
H5 0.430 1.548 0.888
H6 0.430 1.548 -0.888

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81192.36591.08541.08491.0849
S21.81191.32992.36402.43122.4312
H32.36591.32993.27792.66142.6614
H41.08542.36403.27791.76051.7605
H51.08492.43122.66141.76051.7761
H61.08492.43122.66141.76051.7761

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.500 S2 C1 H4 106.659
S2 C1 H5 111.650 S2 C1 H6 111.650
H4 C1 H5 108.424 H4 C1 H6 108.424
H5 C1 H6 109.880
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability