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: CCSD(T)=FULL/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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-492.037624
Energy at 298.15K-492.041194
HF Energy-491.565234
Nuclear repulsion energy94.185608
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 CCSD(T)=FULL/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' 3706 3598        
2 A' 3572 3468        
3 A' 3129 3037        
4 A' 1675 1626        
5 A' 1498 1454        
6 A' 1340 1300        
7 A' 1164 1130        
8 A' 896 869        
9 A' 440 427        
10 A" 964 936        
11 A" 622 603        
12 A" 249 241        

Unscaled Zero Point Vibrational Energy (zpe) 9626.8 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 9344.7 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 CCSD(T)=FULL/6-31G*
ABC
2.06887 0.20042 0.18272

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.641 0.000
S2 -0.781 -0.808 0.000
N3 1.336 0.820 0.000
H4 -0.553 1.587 0.000
H5 1.947 0.010 0.000
H6 1.752 1.744 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64691.34811.09562.04692.0698
S21.64692.67142.40652.84863.5957
N31.34812.67142.03871.01461.0124
H41.09562.40652.03872.95582.3100
H52.04692.84861.01462.95581.7441
H62.06983.59571.01242.31001.7441

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.397 C1 N3 H6 121.873
S2 C1 N3 125.945 S2 C1 H4 121.379
H5 N3 H6 118.730
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability