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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: QCISD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-492.210062
Energy at 298.15K-492.213716
HF Energy-491.641029
Nuclear repulsion energy94.661157
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/cc-pVTZ
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' 3762 3595 53.86      
2 A' 3621 3460 82.79      
3 A' 3139 2999 19.15      
4 A' 1660 1586 184.70      
5 A' 1485 1419 185.74      
6 A' 1325 1266 165.09      
7 A' 1152 1101 24.27      
8 A' 893 853 16.13      
9 A' 434 415 1.89      
10 A" 985 941 24.15      
11 A" 629 601 3.25      
12 A" 297 284 185.12      

Unscaled Zero Point Vibrational Energy (zpe) 9691.2 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 9259.9 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/cc-pVTZ
ABC
2.09479 0.20217 0.18437

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.640 0.000
S2 -0.776 -0.807 0.000
N3 1.328 0.821 0.000
H4 -0.552 1.577 0.000
H5 1.933 0.019 0.000
H6 1.729 1.739 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64181.34051.08772.03022.0492
S21.64182.66032.39502.83203.5719
N31.34052.66032.02611.00421.0019
H41.08772.39502.02612.93262.2865
H52.03022.83201.00422.93261.7317
H62.04923.57191.00192.28651.7317

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.269 C1 N3 H6 121.371
S2 C1 N3 125.963 S2 C1 H4 121.342
H5 N3 H6 119.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability