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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

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 C1 1A
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-530.911620
Energy at 298.15K 
HF Energy-530.529793
Nuclear repulsion energy151.432865
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
4/u)
Dep P Dep U
1 A 3699 3565 30.51      
2 A 3566 3436 75.18      
3 A 3153 3038 3.02      
4 A 3068 2956 17.21      
5 A 3007 2897 19.36      
6 A 1727 1664 138.90      
7 A 1537 1481 10.88      
8 A 1537 1481 7.11      
9 A 1464 1411 12.84      
10 A 1424 1373 280.69      
11 A 1363 1314 58.00      
12 A 1080 1040 0.73      
13 A 1060 1022 18.24      
14 A 1000 964 27.77      
15 A 682 657 12.47      
16 A 678 654 195.84      
17 A 519 500 74.28      
18 A 496 478 80.27      
19 A 428 412 1.28      
20 A 378 364 2.08      
21 A 15 15 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15940.2 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 15359.9 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/6-31G
ABC
0.31554 0.15529 0.10619

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.062 0.000
S2 -1.413 -0.107 -0.000
C3 1.256 -1.134 -0.000
N4 0.921 1.278 0.000
H5 0.678 -2.065 0.006
H6 1.898 -1.116 -0.899
H7 1.907 -1.110 0.892
H8 1.929 1.377 0.000
H9 0.355 2.118 -0.001

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.73271.52361.35992.15802.17112.17142.08462.0564
S21.73272.85952.71362.86463.57633.58113.65672.8419
C31.52362.85952.43431.09561.10461.10462.59893.3739
N41.35992.71362.43433.35102.73732.73301.01321.0129
H52.15802.86461.09563.35101.79041.79053.66154.1950
H62.17113.57631.10462.73731.79041.79062.64993.6941
H72.17143.58111.10462.73301.79051.79062.64193.6911
H82.08463.65672.59891.01323.66152.64992.64191.7398
H92.05642.84193.37391.01294.19503.69413.69111.7398

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.877 C1 C3 H6 110.379
C1 C3 H7 110.400 C1 N4 H8 122.231
C1 N4 H9 119.429 S2 C1 C3 122.716
S2 C1 N4 122.219 C3 C1 N4 115.065
H5 C3 H6 108.922 H5 C3 H7 108.931
H6 C3 H7 108.289 H8 N4 H9 118.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability