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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-438.653717
Energy at 298.15K-438.657508
HF Energy-438.653717
Nuclear repulsion energy55.521857
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(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' 3074 3057 7.99 59.39 0.75 0.86
2 A' 2987 2971 22.21 109.34 0.00 0.00
3 A' 2584 2570 7.95 113.38 0.34 0.51
4 A' 1448 1440 5.88 13.64 0.75 0.86
5 A' 1313 1306 12.90 2.90 0.46 0.63
6 A' 1062 1057 12.68 11.06 0.74 0.85
7 A' 773 768 0.36 6.68 0.44 0.61
8 A' 662 658 2.44 11.84 0.23 0.38
9 A" 3073 3057 9.49 65.82 0.75 0.86
10 A" 1437 1430 2.82 14.57 0.75 0.86
11 A" 939 934 4.66 4.62 0.75 0.86
12 A" 234 233 12.96 2.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9793.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 9739.2 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(2df,p)
ABC
3.37178 0.41734 0.40031

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.174 0.000
S2 -0.048 -0.676 0.000
H3 1.299 -0.837 0.000
H4 -1.105 1.473 0.000
H5 0.435 1.570 0.902
H6 0.435 1.570 -0.902

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.84992.42031.09811.09721.0972
S21.84991.35712.39482.46802.4680
H32.42031.35713.33382.71142.7114
H41.09812.39483.33381.78701.7870
H51.09722.46802.71141.78701.8043
H61.09722.46802.71141.78701.8043

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.790 S2 C1 H4 105.807
S2 C1 H5 111.153 S2 C1 H6 111.153
H4 C1 H5 108.979 H4 C1 H6 108.979
H5 C1 H6 110.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.315      
2 S -0.244      
3 H 0.147      
4 H 0.141      
5 H 0.135      
6 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.758 1.444 0.000 1.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.007 -1.235 0.000
y -1.235 -20.053 0.000
z 0.000 0.000 -22.378
Traceless
 xyz
x 2.208 -1.235 0.000
y -1.235 0.639 0.000
z 0.000 0.000 -2.848
Polar
3z2-r2-5.695
x2-y21.046
xy-1.235
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.168 -0.202 0.000
y -0.202 5.301 0.000
z 0.000 0.000 3.691


<r2> (average value of r2) Å2
<r2> 41.136
(<r2>)1/2 6.414