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All results from a given calculation for CH3CSNH2 (Ethanethioamide)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-33.426865
Energy at 298.15K 
HF Energy-33.426865
Nuclear repulsion energy62.895127
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 HF/CEP-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 3974 3582 53.19 60.00 0.73 0.84
2 A 3822 3446 86.84 113.08 0.16 0.28
3 A 3341 3012 14.28 60.49 0.75 0.86
4 A 3325 2997 41.74 67.62 0.66 0.79
5 A 3234 2915 41.31 170.93 0.02 0.03
6 A 1825 1645 187.76 7.02 0.61 0.76
7 A 1633 1472 5.45 16.64 0.65 0.79
8 A 1605 1446 13.26 17.14 0.75 0.86
9 A 1567 1413 28.21 6.76 0.73 0.85
10 A 1501 1353 302.03 6.38 0.15 0.26
11 A 1465 1321 117.92 1.30 0.22 0.36
12 A 1172 1056 5.16 1.04 0.75 0.86
13 A 1141 1029 11.75 6.27 0.74 0.85
14 A 1038 936 61.90 6.54 0.10 0.18
15 A 809 729 343.85 0.03 0.74 0.85
16 A 727 656 27.81 9.99 0.21 0.34
17 A 623 562 65.90 1.42 0.75 0.86
18 A 533 481 20.86 10.46 0.75 0.86
19 A 456 411 2.83 2.97 0.66 0.80
20 A 379 341 2.30 7.22 0.74 0.85
21 A 64 58 2.15 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17116.7 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 15429.0 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 HF/CEP-31G
ABC
0.31526 0.15855 0.10758

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.069 0.000
S2 -1.398 -0.112 -0.000
C3 1.253 -1.130 0.000
N4 0.904 1.282 0.000
H5 1.055 -1.739 -0.878
H6 2.301 -0.834 0.003
H7 1.051 -1.742 0.874
H8 1.897 1.392 -0.001
H9 0.333 2.103 -0.001

Atom - Atom Distances (Å)
  C1 S2 C3 N4 H5 H6 H7 H8 H9
C11.72131.52311.34942.14182.18272.14192.06272.0339
S21.72132.83982.69103.07163.76913.06913.62132.8106
C31.52312.83982.43801.08631.08961.08622.60303.3614
N41.34942.69102.43803.14982.53613.15210.99870.9993
H52.14183.07161.08633.14981.77441.75233.35824.0059
H62.18273.76911.08962.53611.77441.77442.26213.5351
H72.14193.06911.08623.15211.75231.77443.36224.0081
H82.06273.62132.60300.99873.35822.26213.36221.7176
H92.03392.81063.36140.99934.00593.53514.00811.7176

picture of Ethanethioamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 109.185 C1 C3 H6 112.265
C1 C3 H7 109.200 C1 N4 H8 122.204
C1 N4 H9 119.244 S2 C1 C3 122.042
S2 C1 N4 121.940 C3 C1 N4 116.018
H5 C3 H6 109.273 H5 C3 H7 107.523
H6 C3 H7 109.279 H8 N4 H9 118.552
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.207      
2 S -0.257      
3 C -0.193      
4 N -0.502      
5 H 0.159      
6 H 0.095      
7 H 0.159      
8 H 0.359      
9 H 0.388      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  5.648 1.403 -0.004 5.819
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.241 0.915 -0.005
y 0.915 -27.115 -0.006
z -0.005 -0.006 -33.829
Traceless
 xyz
x -1.769 0.915 -0.005
y 0.915 5.920 -0.006
z -0.005 -0.006 -4.151
Polar
3z2-r2-8.302
x2-y2-5.126
xy0.915
xz-0.005
yz-0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.299 0.938 0.000
y 0.938 5.391 0.001
z 0.000 0.001 3.041


<r2> (average value of r2) Å2
<r2> 81.181
(<r2>)1/2 9.010