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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-436.258797
Energy at 298.15K-436.262583
HF Energy-436.258797
Nuclear repulsion energy54.322552
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 PBEPBEultrafine/3-21G
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' 3128 3099 3.69 55.40 0.75 0.86
2 A' 3023 2995 15.60 102.58 0.01 0.01
3 A' 2397 2375 36.79 128.47 0.38 0.55
4 A' 1497 1484 12.78 19.54 0.75 0.86
5 A' 1353 1340 3.75 2.66 0.51 0.68
6 A' 1069 1059 23.38 24.31 0.73 0.85
7 A' 773 766 2.27 13.33 0.66 0.80
8 A' 635 629 4.77 16.52 0.32 0.49
9 A" 3123 3095 8.13 59.32 0.75 0.86
10 A" 1497 1483 11.24 23.12 0.75 0.86
11 A" 955 946 9.70 12.51 0.75 0.86
12 A" 232 230 25.37 14.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9839.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 9750.4 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 PBEPBEultrafine/3-21G
ABC
3.28362 0.39585 0.37973

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.214 0.000
S2 -0.050 -0.695 0.000
H3 1.330 -0.836 0.000
H4 -1.111 1.500 0.000
H5 0.441 1.589 0.908
H6 0.441 1.589 -0.908

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.90892.47081.09871.09861.0986
S21.90891.38702.43842.50672.5067
H32.47081.38703.37852.73782.7378
H41.09872.43843.37851.80011.8001
H51.09862.50672.73781.80011.8167
H61.09862.50672.73781.80011.8167

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 95.821 S2 C1 H4 105.125
S2 C1 H5 109.978 S2 C1 H6 109.978
H4 C1 H5 110.009 H4 C1 H6 110.009
H5 C1 H6 111.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.833      
2 S -0.005      
3 H 0.093      
4 H 0.255      
5 H 0.245      
6 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.120 1.643 0.000 1.988
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.374 -1.585 0.000
y -1.585 -20.581 0.000
z 0.000 0.000 -22.658
Traceless
 xyz
x 2.246 -1.585 0.000
y -1.585 0.435 0.000
z 0.000 0.000 -2.681
Polar
3z2-r2-5.361
x2-y21.207
xy-1.585
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.846 -0.272 0.000
y -0.272 4.801 0.000
z 0.000 0.000 2.435


<r2> (average value of r2) Å2
<r2> 42.702
(<r2>)1/2 6.535