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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: QCISD/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 QCISD/6-31+G**
 hartrees
Energy at 0K-492.041307
Energy at 298.15K-492.044853
HF Energy-491.579478
Nuclear repulsion energy94.294113
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/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' 3802 3594 53.24      
2 A' 3657 3457 85.12      
3 A' 3188 3014 22.23      
4 A' 1693 1600 184.54      
5 A' 1499 1417 191.90      
6 A' 1331 1258 225.38      
7 A' 1170 1106 23.12      
8 A' 897 848 14.80      
9 A' 442 418 1.15      
10 A" 967 914 36.92      
11 A" 592 560 0.68      
12 A" 233 220 235.81      

Unscaled Zero Point Vibrational Energy (zpe) 9735.3 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 9203.8 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/6-31+G**
ABC
2.08522 0.20037 0.18280

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.639 0.000
S2 -0.781 -0.808 0.000
N3 1.337 0.821 0.000
H4 -0.550 1.578 0.000
H5 1.951 0.022 0.000
H6 1.741 1.742 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64461.34971.08842.04642.0611
S21.64462.67282.39722.85603.5870
N31.34972.67282.03381.00771.0056
H41.08842.39722.03382.94602.2973
H52.04642.85601.00772.94601.7330
H62.06113.58701.00562.29731.7330

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.773 C1 N3 H6 121.420
S2 C1 N3 126.129 S2 C1 H4 121.249
H5 N3 H6 118.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability