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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-438.642388
Energy at 298.15K-438.646191
HF Energy-438.642388
Nuclear repulsion energy55.320772
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 BLYP/6-31G*
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' 3084 3059 10.51 65.28 0.75 0.86
2 A' 2997 2973 27.03 114.95 0.00 0.01
3 A' 2570 2549 29.92 133.07 0.39 0.56
4 A' 1479 1467 8.12 18.34 0.75 0.86
5 A' 1351 1340 12.48 5.63 0.46 0.63
6 A' 1080 1071 20.10 18.86 0.73 0.84
7 A' 780 774 0.70 9.12 0.55 0.71
8 A' 660 655 2.68 12.28 0.29 0.45
9 A" 3079 3054 13.92 72.80 0.75 0.86
10 A" 1470 1458 4.75 20.35 0.75 0.86
11 A" 959 951 6.93 9.12 0.75 0.86
12 A" 241 239 16.88 5.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9875.1 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 9795.1 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 BLYP/6-31G*
ABC
3.35681 0.41404 0.39708

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.049 1.178 0.000
S2 -0.049 -0.679 0.000
H3 1.306 -0.837 0.000
H4 -1.106 1.480 0.000
H5 0.435 1.578 0.902
H6 0.435 1.578 -0.902

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.85722.42751.09961.09941.0994
S21.85721.36342.40462.47862.4786
H32.42751.36343.34432.72082.7208
H41.09962.40463.34431.78851.7885
H51.09942.47862.72081.78851.8049
H61.09942.47862.72081.78851.8049

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.630 S2 C1 H4 105.968
S2 C1 H5 111.341 S2 C1 H6 111.341
H4 C1 H5 108.846 H4 C1 H6 108.846
H5 C1 H6 110.347
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.531      
2 S -0.083      
3 H 0.090      
4 H 0.177      
5 H 0.173      
6 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.871 1.474 0.000 1.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.114 -1.367 0.000
y -1.367 -20.155 0.000
z 0.000 0.000 -22.510
Traceless
 xyz
x 2.218 -1.367 0.000
y -1.367 0.657 0.000
z 0.000 0.000 -2.875
Polar
3z2-r2-5.751
x2-y21.041
xy-1.367
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.912 -0.230 0.000
y -0.230 4.922 0.000
z 0.000 0.000 3.112


<r2> (average value of r2) Å2
<r2> 41.428
(<r2>)1/2 6.436