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: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-492.776999
Energy at 298.15K-492.780722
HF Energy-492.776999
Nuclear repulsion energy94.769976
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 B3PW91/6-31G(2df,p)
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' 3735 3591 48.64      
2 A' 3594 3455 57.71      
3 A' 3102 2983 23.54      
4 A' 1638 1574 191.73      
5 A' 1471 1414 188.37      
6 A' 1332 1281 79.81      
7 A' 1139 1095 18.12      
8 A' 894 860 13.84      
9 A' 433 416 2.67      
10 A" 970 933 21.29      
11 A" 642 617 6.26      
12 A" 365 351 176.57      

Unscaled Zero Point Vibrational Energy (zpe) 9656.6 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 9283.8 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 B3PW91/6-31G(2df,p)
ABC
2.09563 0.20294 0.18502

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.638 0.000
S2 -0.775 -0.805 0.000
N3 1.325 0.818 0.000
H4 -0.551 1.583 0.000
H5 1.932 0.014 0.000
H6 1.735 1.737 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.63771.33751.09402.03072.0541
S21.63772.65442.39852.82823.5725
N31.33752.65442.02601.00821.0059
H41.09402.39852.02602.93772.2913
H52.03072.82821.00822.93771.7348
H62.05413.57251.00592.29131.7348

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.261 C1 N3 H6 121.808
S2 C1 N3 125.997 S2 C1 H4 121.528
H5 N3 H6 118.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.064      
2 S -0.363      
3 N -0.454      
4 H 0.159      
5 H 0.301      
6 H 0.293      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.345 3.190 0.000 4.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.939 1.238 0.000
y 1.238 -22.103 0.000
z 0.000 0.000 -26.867
Traceless
 xyz
x 2.546 1.238 0.000
y 1.238 2.300 0.000
z 0.000 0.000 -4.846
Polar
3z2-r2-9.692
x2-y20.164
xy1.238
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.547 1.944 0.000
y 1.944 6.716 0.000
z 0.000 0.000 3.165


<r2> (average value of r2) Å2
<r2> 66.734
(<r2>)1/2 8.169