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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-489.100679
Energy at 298.15K-489.104745
HF Energy-489.100679
Nuclear repulsion energy93.767484
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/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' 3855 3491 79.94 79.18 0.66 0.79
2 A' 3733 3381 118.40 104.76 0.16 0.27
3 A' 3331 3016 12.24 94.68 0.36 0.52
4 A' 1835 1662 171.90 7.58 0.75 0.86
5 A' 1593 1442 167.73 5.66 0.30 0.47
6 A' 1434 1299 256.02 16.62 0.20 0.33
7 A' 1259 1140 46.61 6.11 0.69 0.82
8 A' 835 756 61.34 5.34 0.30 0.46
9 A' 455 412 3.44 5.90 0.64 0.78
10 A" 1125 1019 12.70 1.98 0.75 0.86
11 A" 851 771 335.61 0.53 0.75 0.86
12 A" 636 576 79.64 0.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10470.1 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 9481.7 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/3-21G
ABC
2.09634 0.19694 0.18003

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 0.000
S2 -0.759 -0.849 0.000
N3 1.302 0.876 0.000
H4 -0.590 1.565 0.000
H5 1.929 0.096 0.000
H6 1.693 1.795 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.69491.31851.07482.01162.0344
S21.69492.68732.41972.84943.6057
N31.31852.68732.01351.00060.9989
H41.07482.41972.01352.91602.2943
H52.01162.84941.00062.91601.7152
H62.03443.60570.99892.29431.7152

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.690 C1 N3 H6 122.162
S2 C1 N3 125.736 S2 C1 H4 120.100
H5 N3 H6 118.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.169      
2 S -0.048      
3 N -0.825      
4 H 0.272      
5 H 0.394      
6 H 0.376      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.731 4.300 0.000 5.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.866 0.707 0.000
y 0.707 -22.748 0.000
z 0.000 0.000 -28.008
Traceless
 xyz
x 2.512 0.707 0.000
y 0.707 2.689 0.000
z 0.000 0.000 -5.201
Polar
3z2-r2-10.402
x2-y2-0.118
xy0.707
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.937 2.177 0.000
y 2.177 5.987 0.000
z 0.000 0.000 1.585


<r2> (average value of r2) Å2
<r2> 68.587
(<r2>)1/2 8.282