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)=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 QCISD(T)=FULL/6-31G*
 hartrees
Energy at 0K-492.038277
Energy at 298.15K-492.041847
HF Energy-491.565190
Nuclear repulsion energy94.147540
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)=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' 3705 3705 0.00      
2 A' 3570 3570 0.00      
3 A' 3126 3126 0.00      
4 A' 1674 1674 0.00      
5 A' 1495 1495 0.00      
6 A' 1338 1338 0.00      
7 A' 1162 1162 0.00      
8 A' 892 892 0.00      
9 A' 439 439 0.00      
10 A" 964 964 0.00      
11 A" 622 622 0.00      
12 A" 250 250 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 9618.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9618.3 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 QCISD(T)=FULL/6-31G*
ABC
2.06721 0.20025 0.18257

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.642 0.000
S2 -0.781 -0.809 0.000
N3 1.337 0.821 0.000
H4 -0.553 1.588 0.000
H5 1.947 0.011 0.000
H6 1.752 1.744 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64791.34851.09582.04712.0702
S21.64792.67252.40792.84923.5970
N31.34852.67252.03911.01471.0125
H41.09582.40792.03912.95622.3105
H52.04712.84921.01472.95621.7444
H62.07023.59701.01252.31051.7444

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.383 C1 N3 H6 121.878
S2 C1 N3 125.933 S2 C1 H4 121.396
H5 N3 H6 118.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability