return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-438.710615
Energy at 298.15K-438.714460
HF Energy-438.710615
Nuclear repulsion energy56.047186
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 B3LYPultrafine/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' 3150 3040 6.44 59.27 0.75 0.86
2 A' 3060 2953 21.38 106.26 0.00 0.00
3 A' 2678 2584 5.57 114.58 0.34 0.51
4 A' 1486 1434 6.53 13.04 0.75 0.86
5 A' 1355 1308 10.23 2.00 0.51 0.67
6 A' 1097 1058 13.81 10.20 0.73 0.84
7 A' 796 769 0.42 6.69 0.44 0.61
8 A' 701 677 2.41 12.48 0.23 0.38
9 A" 3151 3041 7.70 65.11 0.75 0.86
10 A" 1474 1423 3.53 13.95 0.75 0.86
11 A" 969 935 4.71 3.98 0.75 0.86
12 A" 241 233 13.99 1.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10079.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9727.0 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 B3LYPultrafine/6-31G(2df,p)
ABC
3.42413 0.42604 0.40861

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.161 0.000
S2 -0.048 -0.669 0.000
H3 1.288 -0.835 0.000
H4 -1.097 1.462 0.000
H5 0.432 1.556 0.896
H6 0.432 1.556 -0.896

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82942.40131.09151.09051.0905
S21.82941.34592.37492.44602.4460
H32.40131.34593.31092.69302.6930
H41.09152.37493.31091.77461.7746
H51.09052.44602.69301.77461.7918
H61.09052.44602.69301.77461.7918

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.092 S2 C1 H4 106.017
S2 C1 H5 111.265 S2 C1 H6 111.265
H4 C1 H5 108.835 H4 C1 H6 108.835
H5 C1 H6 110.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 S -0.244      
3 H 0.156      
4 H 0.155      
5 H 0.149      
6 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.783 1.455 0.000 1.652
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.944 -1.280 0.000
y -1.280 -20.036 0.000
z 0.000 0.000 -22.333
Traceless
 xyz
x 2.241 -1.280 0.000
y -1.280 0.603 0.000
z 0.000 0.000 -2.844
Polar
3z2-r2-5.687
x2-y21.092
xy-1.280
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.093 -0.204 0.000
y -0.204 5.172 0.000
z 0.000 0.000 3.644


<r2> (average value of r2) Å2
<r2> 40.570
(<r2>)1/2 6.369