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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP/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 B2PLYP/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-438.568992
Energy at 298.15K-438.572978
HF Energy-438.447261
Nuclear repulsion energy56.346518
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 B2PLYP/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' 3161 3161 5.95      
2 A' 3074 3074 22.54      
3 A' 2720 2720 1.81      
4 A' 1504 1504 7.34      
5 A' 1370 1370 5.72      
6 A' 1107 1107 10.38      
7 A' 806 806 0.29      
8 A' 714 714 1.53      
9 A" 3163 3163 5.30      
10 A" 1491 1491 4.33      
11 A" 984 984 4.09      
12 A" 239 239 10.58      

Unscaled Zero Point Vibrational Energy (zpe) 10166.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10166.2 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 B2PLYP/aug-cc-pV(T+d)Z
ABC
3.45959 0.43064 0.41304

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.154 0.000
S2 -0.048 -0.665 0.000
H3 1.280 -0.831 0.000
H4 -1.092 1.456 0.000
H5 0.431 1.547 0.892
H6 0.431 1.547 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81952.38821.08671.08541.0854
S21.81951.33772.36432.43252.4325
H32.38821.33773.29462.67762.6776
H41.08672.36433.29461.76671.7667
H51.08542.43252.67761.76671.7831
H61.08542.43252.67761.76671.7831

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.124 S2 C1 H4 106.132
S2 C1 H5 111.203 S2 C1 H6 111.203
H4 C1 H5 108.853 H4 C1 H6 108.853
H5 C1 H6 110.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.698      
2 S -0.187      
3 H 0.114      
4 H 0.267      
5 H 0.252      
6 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.678 1.390 0.000 1.547
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.430 -1.190 0.000
y -1.190 -20.566 0.000
z 0.000 0.000 -22.817
Traceless
 xyz
x 2.262 -1.190 0.000
y -1.190 0.557 0.000
z 0.000 0.000 -2.819
Polar
3z2-r2-5.639
x2-y21.137
xy-1.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.014 -0.163 0.000
y -0.163 6.381 0.000
z 0.000 0.000 5.021


<r2> (average value of r2) Å2
<r2> 40.588
(<r2>)1/2 6.371