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: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-437.725614
Energy at 298.15K-437.729568
HF Energy-437.725614
Nuclear repulsion energy56.239250
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/cc-pVDZ
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' 3307 3003 9.98 78.58 0.75 0.86
2 A' 3207 2912 34.91 135.25 0.01 0.01
3 A' 2851 2589 8.89 158.72 0.32 0.49
4 A' 1585 1439 6.84 12.42 0.75 0.86
5 A' 1461 1327 11.93 0.08 0.71 0.83
6 A' 1186 1076 13.35 10.44 0.70 0.82
7 A' 849 771 0.93 6.57 0.55 0.71
8 A' 758 688 4.71 23.48 0.27 0.42
9 A" 3308 3004 14.36 79.67 0.75 0.86
10 A" 1573 1428 4.58 13.03 0.75 0.86
11 A" 1044 948 4.21 4.37 0.75 0.86
12 A" 265 240 17.71 8.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10696.1 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 9712.1 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/cc-pVDZ
ABC
3.44997 0.42898 0.41147

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.157 0.000
S2 -0.048 -0.666 0.000
H3 1.279 -0.848 0.000
H4 -1.093 1.462 0.000
H5 0.434 1.549 0.893
H6 0.434 1.549 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82232.40391.08881.08811.0881
S21.82231.33962.37032.43612.4361
H32.40391.33963.31092.69352.6935
H41.08882.37033.31091.77161.7716
H51.08812.43612.69351.77161.7859
H61.08812.43612.69351.77161.7859

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.807 S2 C1 H4 106.271
S2 C1 H5 111.134 S2 C1 H6 111.134
H4 C1 H5 108.938 H4 C1 H6 108.938
H5 C1 H6 110.300
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.157      
2 S -0.126      
3 H 0.070      
4 H 0.074      
5 H 0.069      
6 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.865 1.428 0.000 1.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.176 -1.415 0.000
y -1.415 -20.407 0.000
z 0.000 0.000 -22.481
Traceless
 xyz
x 2.268 -1.415 0.000
y -1.415 0.421 0.000
z 0.000 0.000 -2.689
Polar
3z2-r2-5.378
x2-y21.231
xy-1.415
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.918 -0.307 0.000
y -0.307 5.006 0.000
z 0.000 0.000 2.852


<r2> (average value of r2) Å2
<r2> 40.547
(<r2>)1/2 6.368