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: B3LYPultrafine/cc-pCVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/cc-pCVDZ
 hartrees
Energy at 0K-438.721858
Energy at 298.15K-438.725716
HF Energy-438.721858
Nuclear repulsion energy55.771842
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 B3LYPultrafine/cc-pCVDZ
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' 3147 3147 6.60      
2 A' 3048 3048 25.65      
3 A' 2654 2654 9.27      
4 A' 1458 1458 7.13      
5 A' 1332 1332 9.31      
6 A' 1084 1084 12.46      
7 A' 791 791 0.38      
8 A' 697 697 2.38      
9 A" 3143 3143 10.10      
10 A" 1447 1447 4.42      
11 A" 957 957 5.56      
12 A" 247 247 15.08      

Unscaled Zero Point Vibrational Energy (zpe) 10002.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10002.2 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 B3LYPultrafine/cc-pCVDZ
ABC
3.37172 0.42290 0.40543

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pCVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.164 0.000
S2 -0.048 -0.672 0.000
H3 1.299 -0.835 0.000
H4 -1.105 1.467 0.000
H5 0.434 1.565 0.902
H6 0.434 1.565 -0.902

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83522.41031.09951.09911.0991
S21.83521.35732.38512.45942.4594
H32.41031.35733.32832.70572.7057
H41.09952.38513.32831.78721.7872
H51.09912.45942.70571.78721.8047
H61.09912.45942.70571.78721.8047

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.908 S2 C1 H4 105.989
S2 C1 H5 111.410 S2 C1 H6 111.410
H4 C1 H5 108.752 H4 C1 H6 108.752
H5 C1 H6 110.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pCVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 S -0.118      
3 H 0.069      
4 H 0.065      
5 H 0.061      
6 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.777 1.290 0.000 1.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.025 -1.268 0.000
y -1.268 -20.152 0.000
z 0.000 0.000 -22.238
Traceless
 xyz
x 2.170 -1.268 0.000
y -1.268 0.480 0.000
z 0.000 0.000 -2.649
Polar
3z2-r2-5.299
x2-y21.127
xy-1.268
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.062 -0.280 0.000
y -0.280 5.127 0.000
z 0.000 0.000 2.944


<r2> (average value of r2) Å2
<r2> 40.839
(<r2>)1/2 6.391