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 CHSNH2 (thioformamide)

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-26.784280
Energy at 298.15K-26.788294
HF Energy-26.784280
Nuclear repulsion energy35.865500
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/CEP-121G
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' 3937 3592 48.38 65.12 0.66 0.79
2 A' 3781 3450 87.37 125.64 0.17 0.29
3 A' 3309 3019 17.44 103.21 0.36 0.53
4 A' 1826 1666 179.62 5.87 0.75 0.86
5 A' 1578 1440 189.92 2.35 0.43 0.61
6 A' 1400 1278 294.41 8.52 0.16 0.27
7 A' 1247 1138 55.73 6.78 0.55 0.71
8 A' 860 785 48.34 11.67 0.19 0.32
9 A' 443 404 2.04 6.90 0.68 0.81
10 A" 1069 975 23.54 4.00 0.75 0.86
11 A" 765 698 292.08 0.73 0.75 0.86
12 A" 596 544 100.60 0.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10404.9 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 9494.4 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 HF/CEP-121G
ABC
2.06971 0.19363 0.17707

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.000
S2 -0.773 -0.848 0.000
N3 1.327 0.873 0.000
H4 -0.587 1.572 0.000
H5 1.948 0.095 0.000
H6 1.713 1.789 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.69891.34301.07982.02962.0489
S21.69892.71442.42662.87903.6238
N31.34302.71442.03720.99540.9943
H41.07982.42662.03722.93342.3102
H52.02962.87900.99542.93341.7104
H62.04893.62380.99432.31021.7104

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.700 C1 N3 H6 121.761
S2 C1 N3 125.944 S2 C1 H4 120.032
H5 N3 H6 118.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.148      
2 S -0.201      
3 N -0.554      
4 H 0.185      
5 H 0.369      
6 H 0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.699 4.218 0.000 5.610
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.457 0.760 0.000
y 0.760 -22.090 0.000
z 0.000 0.000 -27.706
Traceless
 xyz
x 2.441 0.760 0.000
y 0.760 2.991 0.000
z 0.000 0.000 -5.432
Polar
3z2-r2-10.864
x2-y2-0.366
xy0.760
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.703 2.308 0.000
y 2.308 6.849 0.000
z 0.000 0.000 2.493


<r2> (average value of r2) Å2
<r2> 50.073
(<r2>)1/2 7.076