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: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-492.020030
Energy at 298.15K-492.023579
HF Energy-491.565076
Nuclear repulsion energy94.064408
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 QCISD(T)/6-31G*
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' 3704 3553        
2 A' 3570 3424        
3 A' 3126 2999        
4 A' 1672 1604        
5 A' 1493 1433        
6 A' 1336 1282        
7 A' 1161 1114        
8 A' 890 854        
9 A' 438 420        
10 A" 960 921        
11 A" 619 594        
12 A" 238 228        

Unscaled Zero Point Vibrational Energy (zpe) 9603.3 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 9212.4 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 QCISD(T)/6-31G*
ABC
2.06379 0.19987 0.18222

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.643 0.000
S2 -0.782 -0.810 0.000
N3 1.338 0.822 0.000
H4 -0.553 1.589 0.000
H5 1.949 0.011 0.000
H6 1.753 1.745 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64971.34971.09602.04842.0712
S21.64972.67512.40962.85163.5996
N31.34972.67512.04071.01491.0127
H41.09602.40962.04072.95782.3119
H52.04842.85161.01492.95781.7449
H62.07123.59961.01272.31191.7449

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.386 C1 N3 H6 121.846
S2 C1 N3 125.923 S2 C1 H4 121.382
H5 N3 H6 118.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability