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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: M06-2X/aug-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 M06-2X/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-438.691986
Energy at 298.15K-438.695870
HF Energy-438.691986
Nuclear repulsion energy56.484367
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 M06-2X/aug-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' 3168 3168 2.97      
2 A' 3076 3076 18.99      
3 A' 2748 2748 1.07      
4 A' 1492 1492 7.42      
5 A' 1358 1358 4.91      
6 A' 1103 1103 11.25      
7 A' 809 809 0.29      
8 A' 737 737 1.46      
9 A" 3163 3163 2.62      
10 A" 1482 1482 4.61      
11 A" 971 971 4.43      
12 A" 170 170 10.84      

Unscaled Zero Point Vibrational Energy (zpe) 10137.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10137.6 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 M06-2X/aug-cc-pV(T+d)Z
ABC
3.45838 0.43362 0.41580

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.149 0.000
S2 -0.048 -0.663 0.000
H3 1.280 -0.822 0.000
H4 -1.092 1.453 0.000
H5 0.431 1.542 0.892
H6 0.431 1.542 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81262.37651.08721.08581.0858
S21.81261.33682.35962.42682.4268
H32.37651.33683.28592.66582.6658
H41.08722.35963.28591.76661.7666
H51.08582.42682.66581.76661.7842
H61.08582.42682.66581.76661.7842

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.814 S2 C1 H4 106.205
S2 C1 H5 111.217 S2 C1 H6 111.217
H4 C1 H5 108.780 H4 C1 H6 108.780
H5 C1 H6 110.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.849      
2 S -0.203      
3 H 0.157      
4 H 0.297      
5 H 0.299      
6 H 0.299      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.684 1.382 0.000 1.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.309 -1.185 0.000
y -1.185 -20.433 0.000
z 0.000 0.000 -22.672
Traceless
 xyz
x 2.243 -1.185 0.000
y -1.185 0.558 0.000
z 0.000 0.000 -2.801
Polar
3z2-r2-5.602
x2-y21.123
xy-1.185
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.965 -0.160 0.000
y -0.160 6.382 0.000
z 0.000 0.000 4.940


<r2> (average value of r2) Å2
<r2> 40.345
(<r2>)1/2 6.352