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/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/6-31G**
 hartrees
Energy at 0K-492.030574
Energy at 298.15K-492.034213
HF Energy-491.575648
Nuclear repulsion energy94.490642
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/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' 3820 3562 51.40      
2 A' 3675 3428 95.98      
3 A' 3195 2980 22.85      
4 A' 1698 1584 202.42      
5 A' 1519 1417 193.05      
6 A' 1348 1257 184.26      
7 A' 1178 1099 22.79      
8 A' 909 848 14.70      
9 A' 443 413 1.73      
10 A" 987 920 25.43      
11 A" 624 582 7.49      
12 A" 284 265 243.50      

Unscaled Zero Point Vibrational Energy (zpe) 9840.5 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 9177.3 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/6-31G**
ABC
2.09749 0.20116 0.18356

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.638 0.000
S2 -0.778 -0.808 0.000
N3 1.332 0.823 0.000
H4 -0.550 1.576 0.000
H5 1.942 0.022 0.000
H6 1.736 1.742 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64191.34521.08792.03762.0575
S21.64192.66732.39512.84483.5812
N31.34522.66732.02801.00621.0041
H41.08792.39512.02802.93742.2924
H52.03762.84481.00622.93741.7319
H62.05753.58121.00412.29241.7319

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.422 C1 N3 H6 121.601
S2 C1 N3 126.198 S2 C1 H4 121.313
H5 N3 H6 118.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability