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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD(T)/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pV(T+d)Z
 hartrees
Energy at 0K-438.171954
Energy at 298.15K-438.175813
HF Energy-437.758581
Nuclear repulsion energy56.275263
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 QCISD(T)/cc-pV(T+d)Z
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' 3149 3149        
2 A' 3059 3059        
3 A' 2712 2712        
4 A' 1496 1496        
5 A' 1362 1362        
6 A' 1099 1099        
7 A' 799 799        
8 A' 720 720        
9 A" 3151 3151        
10 A" 1483 1483        
11 A" 975 975        
12 A" 238 238        

Unscaled Zero Point Vibrational Energy (zpe) 10121.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10121.5 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 QCISD(T)/cc-pV(T+d)Z
ABC
3.44695 0.42968 0.41210

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.155 0.000
S2 -0.048 -0.667 0.000
H3 1.281 -0.821 0.000
H4 -1.094 1.458 0.000
H5 0.431 1.550 0.893
H6 0.431 1.550 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82142.38121.08921.08811.0881
S21.82141.33812.36832.43762.4376
H32.38121.33813.29182.67262.6726
H41.08922.36833.29181.77001.7700
H51.08812.43762.67261.77001.7867
H61.08812.43762.67261.77001.7867

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.619 S2 C1 H4 106.167
S2 C1 H5 111.311 S2 C1 H6 111.311
H4 C1 H5 108.764 H4 C1 H6 108.764
H5 C1 H6 110.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability