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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: MP4=FULL/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP4=FULL/cc-pCVTZ
 hartrees
Energy at 0K-477.846847
Energy at 298.15K 
HF Energy-476.807268
Nuclear repulsion energy107.606431
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 MP4=FULL/cc-pCVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/cc-pCVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pCVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP4=FULL/cc-pCVTZ
 hartrees
Energy at 0K-477.847682
Energy at 298.15K 
HF Energy-476.807733
Nuclear repulsion energy107.453574
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 MP4=FULL/cc-pCVTZ
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 3140 3140        
2 A 3121 3121        
3 A 3112 3112        
4 A 3069 3069        
5 A 3040 3040        
6 A 2720 2720        
7 A 1505 1505        
8 A 1499 1499        
9 A 1482 1482        
10 A 1411 1411        
11 A 1310 1310        
12 A 1286 1286        
13 A 1125 1125        
14 A 1073 1073        
15 A 996 996        
16 A 877 877        
17 A 739 739        
18 A 674 674        
19 A 330 330        
20 A 259 259        
21 A 207 207        

Unscaled Zero Point Vibrational Energy (zpe) 16487.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16487.5 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 MP4=FULL/cc-pCVTZ
ABC
0.96398 0.17724 0.16227

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pCVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.631 -0.351 -0.053
C2 0.493 0.648 0.090
S3 -1.159 -0.101 -0.079
H4 2.596 0.155 0.004
H5 1.592 -1.098 0.741
H6 1.567 -0.873 -1.007
H7 0.549 1.179 1.039
H8 0.533 1.396 -0.703
H9 -1.046 -0.931 0.964

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52092.80071.09191.09071.08942.16922.16352.9218
C21.52091.82152.16152.16342.16121.08921.09052.3727
S32.80071.82153.76443.03872.98132.40902.34351.3374
H41.09192.16153.76441.76691.77192.51202.50903.9206
H51.09072.16343.03871.76691.76322.52213.07042.6533
H61.08942.16122.98131.77191.76323.07182.51233.2737
H72.16921.08922.40902.51202.52213.07181.75562.6469
H82.16351.09052.34352.50903.07042.51231.75563.2695
H92.92182.37271.33743.92062.65333.27372.64693.2695

picture of ethanethiol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 113.536 C1 C2 H7 111.343
C1 C2 H8 110.812 C2 C1 H4 110.565
C2 C1 H5 110.793 C2 C1 H6 110.688
C2 S3 H9 96.164 S3 C2 H7 109.104
S3 C2 H8 104.354 H4 C1 H5 108.102
H4 C1 H6 108.647 H5 C1 H6 107.952
H7 C2 H8 107.297
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability