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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-438.733711
Energy at 298.15K-438.737567
HF Energy-438.733711
Nuclear repulsion energy55.929196
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/6-311G*
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' 3142 3036 10.74 70.48 0.75 0.86
2 A' 3057 2954 32.65 122.57 0.00 0.01
3 A' 2615 2527 17.75 153.61 0.39 0.56
4 A' 1505 1454 9.83 13.53 0.75 0.86
5 A' 1387 1341 9.35 1.89 0.70 0.83
6 A' 1112 1074 23.77 12.00 0.73 0.84
7 A' 803 776 1.20 7.21 0.49 0.66
8 A' 694 671 2.58 15.83 0.28 0.43
9 A" 3140 3034 13.40 75.43 0.75 0.86
10 A" 1497 1446 5.96 12.72 0.75 0.86
11 A" 990 957 13.27 4.51 0.75 0.86
12 A" 244 236 17.72 8.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10092.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 9752.8 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/6-311G*
ABC
3.42390 0.42377 0.40637

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.163 0.000
S2 -0.048 -0.671 0.000
H3 1.294 -0.832 0.000
H4 -1.095 1.467 0.000
H5 0.429 1.562 0.894
H6 0.429 1.562 -0.894

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83442.40511.08961.08901.0890
S21.83441.35202.38032.45242.4524
H32.40511.35203.31552.69822.6982
H41.08962.38033.31551.76941.7694
H51.08902.45242.69821.76941.7876
H61.08902.45242.69821.76941.7876

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.848 S2 C1 H4 106.173
S2 C1 H5 111.487 S2 C1 H6 111.487
H4 C1 H5 108.610 H4 C1 H6 108.610
H5 C1 H6 110.310
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.765      
2 S -0.106      
3 H 0.143      
4 H 0.243      
5 H 0.242      
6 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.919 1.487 0.000 1.748
CHELPG        
AIM        
ESP 0.948 1.525 0.000 1.795


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.487 -1.457 0.000
y -1.457 -20.762 0.000
z 0.000 0.000 -23.194
Traceless
 xyz
x 2.491 -1.457 0.000
y -1.457 0.579 0.000
z 0.000 0.000 -3.070
Polar
3z2-r2-6.140
x2-y21.274
xy-1.457
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.087 -0.200 0.000
y -0.200 5.240 0.000
z 0.000 0.000 3.049


<r2> (average value of r2) Å2
<r2> 41.150
(<r2>)1/2 6.415