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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/SDD
 hartrees
Energy at 0K-437.648935
Energy at 298.15K-437.652838
HF Energy-437.648935
Nuclear repulsion energy55.379472
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 HF/SDD
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' 3372 3036 18.50 67.69 0.75 0.86
2 A' 3253 2929 42.35 148.76 0.01 0.01
3 A' 2670 2404 31.69 174.95 0.35 0.52
4 A' 1637 1474 8.31 18.86 0.74 0.85
5 A' 1520 1368 7.82 0.72 0.19 0.32
6 A' 1203 1083 23.04 23.46 0.72 0.84
7 A' 857 771 3.24 9.58 0.74 0.85
8 A' 705 635 7.88 50.25 0.29 0.45
9 A" 3369 3034 31.74 64.81 0.75 0.86
10 A" 1630 1467 10.05 19.60 0.75 0.86
11 A" 1087 979 6.69 10.68 0.75 0.86
12 A" 239 216 27.56 17.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10770.7 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 9697.9 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 HF/SDD
ABC
3.46241 0.41004 0.39370

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.049 1.191 0.000
S2 -0.049 -0.680 0.000
H3 1.288 -0.883 0.000
H4 -1.085 1.487 0.000
H5 0.436 1.567 0.886
H6 0.436 1.567 -0.886

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.87122.46751.07771.07741.0774
S21.87121.35182.40192.46392.4639
H32.46751.35183.35362.74152.7415
H41.07772.40193.35361.76191.7619
H51.07742.46392.74151.76191.7713
H61.07742.46392.74151.76191.7713

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 98.638 S2 C1 H4 105.917
S2 C1 H5 110.448 S2 C1 H6 110.448
H4 C1 H5 109.676 H4 C1 H6 109.676
H5 C1 H6 110.569
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.731      
2 S -0.035      
3 H 0.067      
4 H 0.241      
5 H 0.229      
6 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.139 1.801 0.000 2.131
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.735 -1.688 0.000
y -1.688 -20.787 0.000
z 0.000 0.000 -22.662
Traceless
 xyz
x 1.990 -1.688 0.000
y -1.688 0.411 0.000
z 0.000 0.000 -2.401
Polar
3z2-r2-4.802
x2-y21.052
xy-1.688
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.749 -0.394 0.000
y -0.394 4.996 0.000
z 0.000 0.000 2.214


<r2> (average value of r2) Å2
<r2> 41.809
(<r2>)1/2 6.466