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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: QCISD/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-492.129208
Energy at 298.15K-492.132900
HF Energy-491.587648
Nuclear repulsion energy94.621084
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(2df,p)
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' 3785 3586 60.50      
2 A' 3645 3453 101.20      
3 A' 3162 2995 14.45      
4 A' 1665 1578 187.18      
5 A' 1495 1416 195.03      
6 A' 1339 1269 151.60      
7 A' 1155 1094 23.73      
8 A' 895 848 17.48      
9 A' 438 415 2.09      
10 A" 995 943 20.32      
11 A" 641 607 5.30      
12 A" 325 308 193.06      

Unscaled Zero Point Vibrational Energy (zpe) 9770.0 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 9256.1 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/6-31G(2df,p)
ABC
2.08978 0.20214 0.18431

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.640 0.000
S2 -0.776 -0.808 0.000
N3 1.328 0.820 0.000
H4 -0.552 1.581 0.000
H5 1.934 0.017 0.000
H6 1.735 1.738 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64241.34001.09062.03192.0528
S21.64242.65992.39912.83263.5751
N31.34002.65992.02751.00611.0037
H41.09062.39912.02752.93662.2915
H52.03192.83261.00612.93661.7321
H62.05283.57511.00372.29151.7321

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.323 C1 N3 H6 121.639
S2 C1 N3 125.912 S2 C1 H4 121.439
H5 N3 H6 119.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability