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All results from a given calculation for CHSNH2 (thioformamide)

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-491.752321
Energy at 298.15K-491.756263
HF Energy-491.503116
Nuclear repulsion energy92.697775
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 CISD/6-31G
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' 3774 3539 46.15      
2 A' 3642 3415 100.52      
3 A' 3208 3008 14.90      
4 A' 1761 1651 160.68      
5 A' 1530 1435 191.63      
6 A' 1374 1289 236.86      
7 A' 1212 1137 34.32      
8 A' 849 797 33.76      
9 A' 442 415 2.33      
10 A" 1010 947 33.67      
11 A" 729 684 258.36      
12 A" 562 527 129.55      

Unscaled Zero Point Vibrational Energy (zpe) 10046.3 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 9421.4 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 CISD/6-31G
ABC
2.05556 0.19222 0.17578

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.000
S2 -0.775 -0.851 0.000
N3 1.330 0.878 0.000
H4 -0.597 1.577 0.000
H5 1.962 0.092 0.000
H6 1.721 1.806 0.000

Atom - Atom Distances (Å)
  C1 S2 N3 H4 H5 H6
C11.70271.34671.08942.04402.0652
S21.70272.72382.43432.89483.6458
N31.34672.72382.04911.00881.0072
H41.08942.43432.04912.95812.3294
H52.04402.89481.00882.95811.7307
H62.06523.64581.00722.32941.7307

picture of thioformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.715 C1 N3 H6 121.989
S2 C1 N3 126.165 S2 C1 H4 119.729
H5 N3 H6 118.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability