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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B1B95/cc-pV(D+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 B1B95/cc-pV(D+d)Z
 hartrees
Energy at 0K-438.719136
Energy at 298.15K 
HF Energy-438.719136
Nuclear repulsion energy56.437762
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 B1B95/cc-pV(D+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' 3184 3184 4.75      
2 A' 3078 3078 24.66      
3 A' 2727 2727 5.23      
4 A' 1460 1460 8.12      
5 A' 1336 1336 6.45      
6 A' 1092 1092 13.89      
7 A' 801 801 0.16      
8 A' 731 731 2.11      
9 A" 3180 3180 7.76      
10 A" 1448 1448 5.08      
11 A" 963 963 6.31      
12 A" 302 302 16.39      

Unscaled Zero Point Vibrational Energy (zpe) 10150.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10150.8 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 B1B95/cc-pV(D+d)Z
ABC
3.41182 0.43534 0.41720

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pV(D+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.144 0.000
S2 -0.048 -0.662 0.000
H3 1.289 -0.824 0.000
H4 -1.101 1.448 0.000
H5 0.429 1.551 0.899
H6 0.429 1.551 -0.899

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.80542.37921.09661.09601.0960
S21.80541.34662.35782.43552.4355
H32.37921.34663.29782.68142.6814
H41.09662.35783.29781.77801.7780
H51.09602.43552.68141.77801.7977
H61.09602.43552.68141.77801.7977

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.939 S2 C1 H4 106.085
S2 C1 H5 111.814 S2 C1 H6 111.814
H4 C1 H5 108.369 H4 C1 H6 108.369
H5 C1 H6 110.192
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pV(D+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.183      
2 S -0.118      
3 H 0.078      
4 H 0.078      
5 H 0.073      
6 H 0.073      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.782 1.287 0.000 1.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.851 -1.282 0.000
y -1.282 -19.994 0.000
z 0.000 0.000 -22.073
Traceless
 xyz
x 2.182 -1.282 0.000
y -1.282 0.468 0.000
z 0.000 0.000 -2.650
Polar
3z2-r2-5.300
x2-y21.142
xy-1.282
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.989 -0.266 0.000
y -0.266 5.024 0.000
z 0.000 0.000 2.935


<r2> (average value of r2) Å2
<r2> 40.032
(<r2>)1/2 6.327