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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3LYP/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVQZ
 hartrees
Energy at 0K-438.763819
Energy at 298.15K-438.767654
HF Energy-438.763819
Nuclear repulsion energy56.172581
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 B3LYP/cc-pVQZ
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' 3133 3035 6.90 59.74 0.75 0.86
2 A' 3051 2955 23.72 153.12 0.00 0.00
3 A' 2671 2588 3.42 126.75 0.26 0.42
4 A' 1489 1443 7.36 6.17 0.75 0.86
5 A' 1359 1317 5.63 0.13 0.57 0.72
6 A' 1097 1063 10.62 3.47 0.75 0.86
7 A' 798 773 0.38 6.02 0.28 0.44
8 A' 698 676 1.66 14.83 0.21 0.34
9 A" 3133 3035 7.28 66.60 0.75 0.86
10 A" 1476 1430 4.55 5.63 0.75 0.86
11 A" 974 943 4.53 0.97 0.75 0.86
12 A" 231 223 11.58 1.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10054.3 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 9740.6 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 B3LYP/cc-pVQZ
ABC
3.44977 0.42752 0.41005

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.159 0.000
S2 -0.048 -0.668 0.000
H3 1.284 -0.837 0.000
H4 -1.092 1.460 0.000
H5 0.431 1.553 0.892
H6 0.431 1.553 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82642.39961.08711.08601.0860
S21.82641.34282.37052.44002.4400
H32.39961.34283.30552.68972.6897
H41.08712.37053.30551.76731.7673
H51.08602.44002.68971.76731.7838
H61.08602.44002.68971.76731.7838

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.255 S2 C1 H4 106.112
S2 C1 H5 111.258 S2 C1 H6 111.258
H4 C1 H5 108.825 H4 C1 H6 108.825
H5 C1 H6 110.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.342      
2 S -0.031      
3 H 0.029      
4 H 0.115      
5 H 0.114      
6 H 0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.695 1.385 0.000 1.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.357 -1.216 0.000
y -1.216 -20.467 0.000
z 0.000 0.000 -22.654
Traceless
 xyz
x 2.203 -1.216 0.000
y -1.216 0.539 0.000
z 0.000 0.000 -2.742
Polar
3z2-r2-5.484
x2-y21.110
xy-1.216
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.738 -0.188 0.000
y -0.188 6.085 0.000
z 0.000 0.000 4.278


<r2> (average value of r2) Å2
<r2> 40.704
(<r2>)1/2 6.380