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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: QCISD(T)/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(T)/6-311+G(3df,2p)
 hartrees
Energy at 0K-492.229896
Energy at 298.15K-492.233552
HF Energy-491.636229
Nuclear repulsion energy94.525223
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(T)/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' 3732 3560        
2 A' 3589 3423        
3 A' 3106 2962        
4 A' 1648 1571        
5 A' 1464 1396        
6 A' 1307 1247        
7 A' 1141 1088        
8 A' 889 848        
9 A' 432 412        
10 A" 956 912        
11 A" 619 590        
12 A" 317 302        

Unscaled Zero Point Vibrational Energy (zpe) 9599.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 9154.9 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(T)/6-311+G(3df,2p)
ABC
2.07368 0.20201 0.18408

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.640 0.000
S2 -0.780 -0.803 0.000
N3 1.335 0.813 0.000
H4 -0.547 1.585 0.000
H5 1.939 0.005 0.000
H6 1.743 1.732 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.64061.34621.09132.04002.0565
S21.64062.66172.39932.83643.5766
N31.34622.66172.03401.00811.0058
H41.09132.39932.03402.94482.2940
H52.04002.83641.00812.94481.7380
H62.05653.57661.00582.29401.7380

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.416 C1 N3 H6 121.265
S2 C1 N3 125.752 S2 C1 H4 121.552
H5 N3 H6 119.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability