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: B2PLYP=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-492.609924
Energy at 298.15K-492.613604
HF Energy-492.458245
Nuclear repulsion energy94.328423
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 B2PLYP=FULL/6-31+G**
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' 3750 3567 53.36      
2 A' 3604 3427 66.11      
3 A' 3153 2998 25.43      
4 A' 1665 1583 184.37      
5 A' 1477 1404 177.54      
6 A' 1326 1261 164.48      
7 A' 1156 1099 19.38      
8 A' 891 848 13.18      
9 A' 439 418 1.48      
10 A" 963 916 37.25      
11 A" 612 582 2.22      
12 A" 338 322 224.67      

Unscaled Zero Point Vibrational Energy (zpe) 9686.0 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 9211.3 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 B2PLYP=FULL/6-31+G**
ABC
2.08185 0.20073 0.18307

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.640 0.000
S2 -0.780 -0.808 0.000
N3 1.335 0.821 0.000
H4 -0.550 1.581 0.000
H5 1.947 0.018 0.000
H6 1.742 1.742 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64471.34751.09002.04402.0616
S21.64472.66992.39982.84943.5870
N31.34752.66992.03301.00961.0074
H41.09002.39982.03302.94622.2981
H52.04402.84941.00962.94621.7369
H62.06163.58701.00742.29811.7369

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.576 C1 N3 H6 121.530
S2 C1 N3 126.035 S2 C1 H4 121.356
H5 N3 H6 118.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability