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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-531.209112
Energy at 298.15K 
HF Energy-530.607355
Nuclear repulsion energy154.243509
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)/6-31G*
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 3703 3552        
2 A 3572 3427        
3 A 3194 3064        
4 A 3115 2988        
5 A 3049 2925        
6 A 1673 1605        
7 A 1527 1465        
8 A 1527 1464        
9 A 1445 1386        
10 A 1424 1366        
11 A 1353 1298        
12 A 1058 1015        
13 A 1041 998        
14 A 1010 969        
15 A 737 707        
16 A 611 586        
17 A 506 485        
18 A 430 413        
19 A 382 367        
20 A 172 165        
21 A 2 2        

Unscaled Zero Point Vibrational Energy (zpe) 15765.1 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 15123.4 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 QCISD(T)/6-31G*
ABC
0.32355 0.16306 0.11070

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.277 0.058 -0.001
S2 -1.375 -0.115 -0.000
C3 1.243 -1.110 0.000
N4 0.886 1.267 0.002
H5 0.692 -2.052 -0.020
H6 1.902 -1.058 -0.879
H7 1.872 -1.079 0.902
H8 1.894 1.362 -0.008
H9 0.319 2.108 -0.001

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.66041.51551.35422.14982.15852.15712.07822.0507
S21.66042.80072.64942.83253.52183.50503.58742.7948
C31.51552.80072.40341.09171.09971.09962.55583.3475
N41.35422.64942.40343.32442.68652.69971.01331.0137
H52.14982.83251.09173.32441.78571.78543.61924.1762
H62.15853.52181.09972.68651.78571.78082.57223.6471
H72.15713.50501.09962.69971.78541.78082.60533.6585
H82.07823.58742.55581.01333.61922.57222.60531.7428
H92.05072.79483.34751.01374.17623.64713.65851.7428

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 110.023 C1 C3 H6 110.240
C1 C3 H7 110.128 C1 N4 H8 122.095
C1 N4 H9 119.310 S2 C1 C3 123.673
S2 C1 N4 122.689 C3 C1 N4 113.637
H5 C3 H6 109.150 H5 C3 H7 109.126
H6 C3 H7 108.135 H8 N4 H9 118.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability