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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: CISD/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
Energy calculated at CISD/6-31G**
 hartrees
Energy at 0K-477.159869
Energy at 298.15K-477.166240
HF Energy-476.747315
Nuclear repulsion energy107.778196
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' 3254 2986 26.43      
2 A' 3198 2934 24.10      
3 A' 3170 2909 20.47      
4 A' 2852 2617 17.53      
5 A' 1591 1460 1.04      
6 A' 1580 1450 4.00      
7 A' 1504 1380 2.62      
8 A' 1398 1283 41.40      
9 A' 1179 1082 2.95      
10 A' 1051 965 1.64      
11 A' 925 849 3.77      
12 A' 725 666 1.04      
13 A' 319 293 2.25      
14 A" 3266 2997 35.49      
15 A" 3245 2978 0.01      
16 A" 1580 1450 6.26      
17 A" 1343 1232 0.35      
18 A" 1117 1025 0.46      
19 A" 828 760 2.50      
20 A" 271 248 1.20      
21 A" 184 169 19.84      

Unscaled Zero Point Vibrational Energy (zpe) 17289.2 cm-1
Scaled (by 0.9176) Zero Point Vibrational Energy (zpe) 15864.5 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
0.97049 0.18223 0.16266

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 1.515 0.690 0.000
C2 0.000 0.823 0.000
S3 -0.756 -0.835 0.000
H4 1.974 1.674 0.000
H5 1.859 0.155 0.880
H6 1.859 0.155 -0.880
H7 -0.328 1.367 0.879
H8 -0.328 1.367 -0.879
H9 -2.024 -0.435 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52082.73621.08581.08571.08572.15122.15123.7133
C21.52081.82312.14962.16282.16281.08451.08452.3832
S32.73621.82313.70862.93232.93232.40972.40971.3287
H41.08582.14963.70861.75891.75892.48342.48344.5202
H51.08572.16282.93231.75891.75962.50043.05724.0250
H61.08572.16282.93231.75891.75963.05722.50044.0250
H72.15121.08452.40972.48342.50043.05721.75892.6262
H82.15121.08452.40972.48343.05722.50041.75892.6262
H93.71332.38321.32874.52024.02504.02502.62622.6262

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 109.489 C1 C2 H7 110.187
C1 C2 H8 110.187 C2 C1 H4 109.988
C2 C1 H5 111.048 C2 C1 H6 111.048
C2 S3 H9 97.001 S3 C2 H7 109.295
S3 C2 H8 109.295 H4 C1 H5 108.195
H4 C1 H6 108.195 H5 C1 H6 108.267
H7 C2 H8 108.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability