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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: QCISD/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/6-31G*
 hartrees
Energy at 0K-492.005368
Energy at 298.15K-492.008969
HF Energy-491.565447
Nuclear repulsion energy94.239942
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3730 3552 49.35      
2 A' 3598 3427 90.63      
3 A' 3149 2998 22.85      
4 A' 1685 1605 200.84      
5 A' 1507 1435 182.81      
6 A' 1346 1282 165.93      
7 A' 1172 1116 23.07      
8 A' 897 854 15.03      
9 A' 442 421 1.84      
10 A" 976 930 27.60      
11 A" 625 596 7.41      
12 A" 267 254 262.65      

Unscaled Zero Point Vibrational Energy (zpe) 9696.8 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 9234.3 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/6-31G*
ABC
2.07831 0.20045 0.18282

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.641 0.000
S2 -0.780 -0.810 0.000
N3 1.334 0.824 0.000
H4 -0.556 1.583 0.000
H5 1.947 0.017 0.000
H6 1.745 1.747 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64671.34631.09442.04442.0665
S21.64672.67122.40362.84953.5934
N31.34632.67122.03661.01311.0109
H41.09442.40362.03662.95252.3069
H52.04442.84951.01312.95251.7414
H62.06653.59341.01092.30691.7414

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.440 C1 N3 H6 121.838
S2 C1 N3 126.076 S2 C1 H4 121.220
H5 N3 H6 118.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability