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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: MP2/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP2/aug-cc-pVQZ
 hartrees
Energy at 0K-477.395111
Energy at 298.15K 
HF Energy-476.815083
Nuclear repulsion energy108.115675
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 MP2/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at MP2/aug-cc-pVQZ
ABC
0.95514 0.18564 0.16499

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.509 0.665 0.000
C2 0.000 0.831 0.000
S3 -0.753 -0.823 0.000
H4 1.994 1.638 0.000
H5 1.837 0.118 0.881
H6 1.837 0.118 -0.881
H7 -0.326 1.372 0.884
H8 -0.326 1.372 -0.884
H9 -2.028 -0.427 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.51822.70731.08771.08781.08782.15672.15673.7017
C21.51821.81772.15132.15902.15901.08671.08672.3867
S32.70731.81773.68852.89342.89342.40472.40471.3352
H41.08772.15133.68851.76411.76412.49772.49774.5215
H51.08782.15902.89341.76411.76302.50073.06134.0018
H61.08782.15902.89341.76411.76303.06132.50074.0018
H72.15671.08672.40472.49772.50073.06131.76882.6295
H82.15671.08672.40472.49773.06132.50071.76882.6295
H93.70172.38671.33524.52154.00184.00182.62952.6295

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 108.162 C1 C2 H7 110.680
C1 C2 H8 110.680 C2 C1 H4 110.192
C2 C1 H5 110.796 C2 C1 H6 110.796
C2 S3 H9 97.212 S3 C2 H7 109.172
S3 C2 H8 109.172 H4 C1 H5 108.360
H4 C1 H6 108.360 H5 C1 H6 108.253
H7 C2 H8 108.943
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/aug-cc-pVQZ
 hartrees
Energy at 0K-477.395844
Energy at 298.15K 
HF Energy-476.815599
Nuclear repulsion energy107.814730
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 MP2/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at MP2/aug-cc-pVQZ
ABC
0.96729 0.17877 0.16360

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVQZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.624 -0.351 -0.053
C2 0.491 0.647 0.090
S3 -1.153 -0.100 -0.078
H4 2.587 0.153 0.017
H5 1.576 -1.101 0.733
H6 1.565 -0.863 -1.010
H7 0.546 1.178 1.037
H8 0.529 1.393 -0.702
H9 -1.044 -0.932 0.961

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.51642.78851.08941.08821.08692.16542.15882.9124
C21.51641.81412.15492.15622.15491.08721.08862.3682
S32.78851.81413.75033.01862.97332.40082.33461.3359
H41.08942.15493.75031.76301.76932.50232.50813.9054
H51.08822.15623.01861.76301.75992.52013.06262.6354
H61.08692.15492.97331.76931.75993.06532.50143.2708
H72.16541.08722.40082.50232.52013.06531.75252.6425
H82.15881.08862.33462.50813.06262.50141.75253.2630
H92.91242.36821.33593.90542.63543.27082.64253.2630

picture of ethanethiol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 113.402 C1 C2 H7 111.481
C1 C2 H8 110.864 C2 C1 H4 110.507
C2 C1 H5 110.684 C2 C1 H6 110.654
C2 S3 H9 96.314 S3 C2 H7 109.099
S3 C2 H8 104.285 H4 C1 H5 108.118
H4 C1 H6 108.776 H5 C1 H6 108.016
H7 C2 H8 107.307
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability