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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: LSDA/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-437.431085
Energy at 298.15K-437.434926
HF Energy-437.431085
Nuclear repulsion energy56.449982
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 LSDA/6-31G(2df,p)
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' 3101 3051 1.90      
2 A' 2998 2950 14.26      
3 A' 2641 2599 1.82      
4 A' 1411 1388 9.72      
5 A' 1282 1261 2.90      
6 A' 1052 1035 15.46      
7 A' 783 770 0.28      
8 A' 720 708 1.88      
9 A" 3097 3048 2.20      
10 A" 1399 1376 5.73      
11 A" 927 912 7.00      
12 A" 256 251 17.03      

Unscaled Zero Point Vibrational Energy (zpe) 9832.2 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 9674.9 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 LSDA/6-31G(2df,p)
ABC
3.38279 0.43717 0.41872

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.143 0.000
S2 -0.048 -0.661 0.000
H3 1.299 -0.809 0.000
H4 -1.106 1.440 0.000
H5 0.432 1.544 0.903
H6 0.432 1.544 -0.903

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.80402.37131.09891.09881.0988
S21.80401.35482.35282.43092.4309
H32.37131.35483.29262.66512.6651
H41.09892.35283.29261.78671.7867
H51.09882.43092.66511.78671.8065
H61.09882.43092.66511.78671.8065

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.261 S2 C1 H4 105.709
S2 C1 H5 111.407 S2 C1 H6 111.407
H4 C1 H5 108.781 H4 C1 H6 108.781
H5 C1 H6 110.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.463      
2 S -0.283      
3 H 0.188      
4 H 0.191      
5 H 0.183      
6 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.823 1.479 0.000 1.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.834 -1.328 0.000
y -1.328 -20.003 0.000
z 0.000 0.000 -22.314
Traceless
 xyz
x 2.325 -1.328 0.000
y -1.328 0.571 0.000
z 0.000 0.000 -2.896
Polar
3z2-r2-5.792
x2-y21.169
xy-1.328
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.177 -0.202 0.000
y -0.202 5.171 0.000
z 0.000 0.000 3.712


<r2> (average value of r2) Å2
<r2> 40.026
(<r2>)1/2 6.327