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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-437.647622
Energy at 298.15K-437.651507
HF Energy-437.647622
Nuclear repulsion energy55.248669
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 HF/6-31G
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' 3359 3033 5.90 73.95 0.75 0.86
2 A' 3249 2934 30.66 119.66 0.01 0.02
3 A' 2683 2422 47.84 207.56 0.40 0.57
4 A' 1639 1480 10.63 19.54 0.75 0.86
5 A' 1516 1369 11.50 0.24 0.30 0.46
6 A' 1191 1075 27.20 23.65 0.70 0.82
7 A' 848 765 4.52 11.93 0.75 0.86
8 A' 709 640 7.87 44.35 0.31 0.48
9 A" 3355 3030 10.36 75.40 0.75 0.86
10 A" 1633 1475 10.77 22.42 0.75 0.86
11 A" 1083 978 5.77 10.04 0.75 0.86
12 A" 226 204 27.90 10.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10745.3 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 9701.9 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 HF/6-31G
ABC
3.45313 0.40756 0.39137

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.049 1.196 0.000
S2 -0.049 -0.682 0.000
H3 1.291 -0.882 0.000
H4 -1.085 1.491 0.000
H5 0.436 1.568 0.887
H6 0.436 1.568 -0.887

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.87822.47211.07731.07701.0770
S21.87821.35472.40772.46702.4670
H32.47211.35473.35782.74202.7420
H41.07732.40773.35781.76221.7622
H51.07702.46702.74201.76221.7737
H61.07702.46702.74201.76221.7737

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 98.457 S2 C1 H4 105.901
S2 C1 H5 110.218 S2 C1 H6 110.218
H4 C1 H5 109.766 H4 C1 H6 109.766
H5 C1 H6 110.853
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.678      
2 S 0.030      
3 H 0.044      
4 H 0.207      
5 H 0.198      
6 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.178 1.836 0.000 2.182
CHELPG 1.151 1.796 0.000 2.133
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.804 -1.752 0.000
y -1.752 -20.935 0.000
z 0.000 0.000 -22.908
Traceless
 xyz
x 2.117 -1.752 0.000
y -1.752 0.420 0.000
z 0.000 0.000 -2.538
Polar
3z2-r2-5.076
x2-y21.131
xy-1.752
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.854 -0.381 0.000
y -0.381 5.020 0.000
z 0.000 0.000 2.701


<r2> (average value of r2) Å2
<r2> 42.048
(<r2>)1/2 6.484