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: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-490.462272
Energy at 298.15K-490.466218
HF Energy-490.462272
Nuclear repulsion energy94.593944
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 B1B95/3-21G
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' 3665 3507 43.23 97.32 0.65 0.79
2 A' 3532 3379 63.74 156.17 0.16 0.27
3 A' 3128 2993 24.12 114.06 0.34 0.50
4 A' 1692 1619 145.70 6.80 0.75 0.85
5 A' 1496 1431 166.55 3.93 0.25 0.40
6 A' 1347 1289 144.03 4.65 0.52 0.68
7 A' 1186 1135 16.95 11.94 0.46 0.63
8 A' 900 861 13.80 12.13 0.27 0.43
9 A' 442 423 2.50 4.15 0.65 0.79
10 A" 996 953 27.19 0.96 0.75 0.86
11 A" 721 690 173.14 1.25 0.75 0.86
12 A" 558 533 157.64 1.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9831.3 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9405.6 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 B1B95/3-21G
ABC
2.08850 0.20221 0.18436

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.637 0.000
S2 -0.778 -0.804 0.000
N3 1.331 0.816 0.000
H4 -0.551 1.578 0.000
H5 1.939 0.005 0.000
H6 1.747 1.738 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.63771.34331.09012.03972.0654
S21.63772.65992.39212.83523.5835
N31.34332.65992.03091.01381.0118
H41.09012.39212.03092.94562.3044
H52.03972.83521.01382.94561.7443
H62.06543.58351.01182.30441.7443

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.179 C1 N3 H6 121.933
S2 C1 N3 126.034 S2 C1 H4 121.237
H5 N3 H6 118.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 S -0.128      
3 N -0.720      
4 H 0.242      
5 H 0.357      
6 H 0.343      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.432 3.229 0.000 4.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.733 1.279 0.000
y 1.279 -21.994 0.000
z 0.000 0.000 -27.084
Traceless
 xyz
x 2.806 1.279 0.000
y 1.279 2.415 0.000
z 0.000 0.000 -5.221
Polar
3z2-r2-10.441
x2-y20.261
xy1.279
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.608 2.085 0.000
y 2.085 6.005 0.000
z 0.000 0.000 1.924


<r2> (average value of r2) Å2
<r2> 66.906
(<r2>)1/2 8.180