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/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-492.601800
Energy at 298.15K-492.605485
HF Energy-492.452501
Nuclear repulsion energy94.412442
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3762 3762 48.49      
2 A' 3615 3615 67.56      
3 A' 3153 3153 25.75      
4 A' 1669 1669 186.43      
5 A' 1490 1490 165.91      
6 A' 1339 1339 119.21      
7 A' 1158 1158 17.80      
8 A' 893 893 11.89      
9 A' 438 438 2.18      
10 A" 975 975 26.38      
11 A" 634 634 8.44      
12 A" 331 331 226.29      

Unscaled Zero Point Vibrational Energy (zpe) 9728.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9728.1 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/6-31G**
ABC
2.08692 0.20108 0.18341

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.641 0.000
S2 -0.778 -0.809 0.000
N3 1.331 0.823 0.000
H4 -0.550 1.582 0.000
H5 1.939 0.018 0.000
H6 1.739 1.743 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64541.34391.09012.03682.0587
S21.64542.66722.40202.84073.5843
N31.34392.66722.02851.00841.0062
H41.09012.40202.02852.93942.2939
H52.03682.84071.00842.93941.7363
H62.05873.58431.00622.29391.7363

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.281 C1 N3 H6 121.663
S2 C1 N3 126.017 S2 C1 H4 121.498
H5 N3 H6 119.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability