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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: CISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/3-21G*
 hartrees
Energy at 0K-489.513096
Energy at 298.15K-489.517060
HF Energy-489.203553
Nuclear repulsion energy94.322306
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 CISD/3-21G*
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' 3712 3468 48.16      
2 A' 3584 3349 98.19      
3 A' 3165 2957 20.14      
4 A' 1752 1637 137.67      
5 A' 1539 1438 165.25      
6 A' 1346 1258 283.26      
7 A' 1223 1143 27.17      
8 A' 912 853 22.49      
9 A' 458 428 2.13      
10 A" 1030 963 21.48      
11 A" 717 670 170.92      
12 A" 555 518 181.75      

Unscaled Zero Point Vibrational Energy (zpe) 9996.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9340.3 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 CISD/3-21G*
ABC
2.09021 0.20053 0.18297

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.638 0.000
S2 -0.780 -0.809 0.000
N3 1.335 0.824 0.000
H4 -0.561 1.572 0.000
H5 1.948 0.020 0.000
H6 1.744 1.747 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64371.34751.08922.04402.0666
S21.64372.67152.39092.85123.5917
N31.34752.67152.03741.01151.0094
H41.08922.39092.03742.95012.3113
H52.04402.85121.01152.95011.7386
H62.06663.59171.00942.31131.7386

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 121.871
S2 C1 N3 126.255 S2 C1 H4 120.704
H5 N3 H6 118.707
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability