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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: QCISD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-492.202878
Energy at 298.15K-492.206578
HF Energy-491.636664
Nuclear repulsion energy94.760223
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/6-311+G(3df,2p)
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' 3764 3590 54.42      
2 A' 3624 3456 79.12      
3 A' 3132 2987 15.45      
4 A' 1669 1592 181.99      
5 A' 1484 1415 200.62      
6 A' 1322 1260 189.63      
7 A' 1155 1102 25.92      
8 A' 899 857 17.66      
9 A' 437 417 1.56      
10 A" 979 934 26.86      
11 A" 626 597 2.41      
12 A" 338 322 183.89      

Unscaled Zero Point Vibrational Energy (zpe) 9713.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 9264.1 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 QCISD/6-311+G(3df,2p)
ABC
2.09301 0.20281 0.18489

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.638 0.000
S2 -0.777 -0.804 0.000
N3 1.329 0.815 0.000
H4 -0.550 1.578 0.000
H5 1.936 0.014 0.000
H6 1.733 1.734 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.63701.34111.08932.03442.0510
S21.63702.65622.39232.83323.5691
N31.34112.65622.02791.00571.0035
H41.08932.39232.02792.93732.2885
H52.03442.83321.00572.93731.7322
H62.05103.56911.00352.28851.7322

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.511 C1 N3 H6 121.371
S2 C1 N3 125.936 S2 C1 H4 121.371
H5 N3 H6 119.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability