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: wB97X-D/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-438.716799
Energy at 298.15K-438.720663
HF Energy-438.716799
Nuclear repulsion energy56.490897
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 wB97X-D/Def2TZVPP
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' 3166 3025 6.02 61.34 0.75 0.86
2 A' 3074 2937 21.95 146.50 0.00 0.00
3 A' 2746 2623 3.17 126.41 0.27 0.43
4 A' 1494 1427 8.06 8.51 0.75 0.86
5 A' 1370 1309 4.02 0.42 0.62 0.76
6 A' 1106 1056 11.26 5.35 0.72 0.83
7 A' 808 772 0.40 6.69 0.29 0.45
8 A' 727 695 1.55 12.09 0.24 0.39
9 A" 3167 3025 7.17 65.04 0.75 0.86
10 A" 1481 1415 5.28 9.56 0.75 0.86
11 A" 981 937 5.18 2.22 0.75 0.86
12 A" 240 229 14.28 3.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10180.1 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 9724.0 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 wB97X-D/Def2TZVPP
ABC
3.45870 0.43397 0.41612

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.148 0.000
S2 -0.048 -0.663 0.000
H3 1.280 -0.830 0.000
H4 -1.092 1.454 0.000
H5 0.431 1.545 0.892
H6 0.431 1.545 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81072.38191.08811.08701.0870
S21.81071.33782.36022.42812.4281
H32.38191.33783.29242.67462.6746
H41.08812.36023.29241.76691.7669
H51.08702.42812.67461.76691.7840
H61.08702.42812.67461.76691.7840

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.175 S2 C1 H4 106.332
S2 C1 H5 111.388 S2 C1 H6 111.388
H4 C1 H5 108.647 H4 C1 H6 108.647
H5 C1 H6 110.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.258      
2 S -0.178      
3 H 0.098      
4 H 0.113      
5 H 0.113      
6 H 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.750 1.402 0.000 1.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.048 -1.271 0.000
y -1.271 -20.177 0.000
z 0.000 0.000 -22.335
Traceless
 xyz
x 2.208 -1.271 0.000
y -1.271 0.514 0.000
z 0.000 0.000 -2.722
Polar
3z2-r2-5.445
x2-y21.129
xy-1.271
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.466 -0.198 0.000
y -0.198 5.691 0.000
z 0.000 0.000 3.824


<r2> (average value of r2) Å2
<r2> 40.166
(<r2>)1/2 6.338