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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: HF/daug-cc-pVDZ

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 HF/daug-cc-pVDZ
 hartrees
Energy at 0K-476.770758
Energy at 298.15K 
HF Energy-476.770758
Nuclear repulsion energy107.223967
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/daug-cc-pVDZ
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' 3241 2955 45.65 77.83 0.57 0.72
2 A' 3210 2927 19.80 125.10 0.09 0.17
3 A' 3169 2891 28.68 153.33 0.01 0.03
4 A' 2849 2599 4.75 150.10 0.24 0.39
5 A' 1597 1456 1.89 0.94 0.68 0.81
6 A' 1588 1448 2.82 8.68 0.68 0.81
7 A' 1517 1384 2.68 0.46 0.72 0.84
8 A' 1405 1282 39.35 3.72 0.33 0.50
9 A' 1192 1087 1.68 4.37 0.16 0.28
10 A' 1055 963 3.30 4.72 0.70 0.82
11 A' 927 845 1.76 4.30 0.43 0.60
12 A' 714 651 3.69 28.16 0.19 0.32
13 A' 327 298 2.45 1.05 0.21 0.34
14 A" 3271 2983 31.67 26.95 0.75 0.86
15 A" 3239 2954 9.91 86.05 0.75 0.86
16 A" 1588 1448 7.87 5.28 0.75 0.86
17 A" 1362 1242 0.21 1.31 0.75 0.86
18 A" 1124 1025 0.37 0.52 0.75 0.86
19 A" 838 764 2.26 0.05 0.75 0.86
20 A" 271 247 1.05 0.12 0.75 0.86
21 A" 186 169 16.73 0.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17333.5 cm-1
Scaled (by 0.912) Zero Point Vibrational Energy (zpe) 15808.2 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/daug-cc-pVDZ
ABC
0.96651 0.17993 0.16081

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.519 0.703 0.000
C2 0.000 0.829 0.000
S3 -0.757 -0.843 0.000
H4 1.971 1.696 0.000
H5 1.869 0.170 0.884
H6 1.869 0.170 -0.884
H7 -0.337 1.365 0.884
H8 -0.337 1.365 -0.884
H9 -2.042 -0.469 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52452.75201.09031.08971.08972.15942.15943.7494
C21.52451.83562.15312.17012.17011.08711.08712.4196
S32.75201.83563.72672.95062.95062.41532.41531.3387
H41.09032.15313.72671.76581.76582.49302.49304.5596
H51.08972.17012.95061.76581.76712.50853.06874.0607
H61.08972.17012.95061.76581.76713.06872.50854.0607
H72.15941.08712.41532.49302.50853.06871.76792.6557
H82.15941.08712.41532.49303.06872.50851.76792.6557
H93.74942.41961.33874.55964.06074.06072.65572.6557

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 109.629 C1 C2 H7 110.432
C1 C2 H8 110.432 C2 C1 H4 109.745
C2 C1 H5 111.129 C2 C1 H6 111.129
C2 S3 H9 98.107 S3 C2 H7 108.745
S3 C2 H8 108.745 H4 C1 H5 108.192
H4 C1 H6 108.192 H5 C1 H6 108.355
H7 C2 H8 108.815
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.438      
2 C 0.561      
3 S 0.147      
4 H -0.223      
5 H -0.115      
6 H -0.115      
7 H -0.376      
8 H -0.376      
9 H 0.057      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.082 1.832 0.000 1.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.212 -0.276 0.000
y -0.276 -28.699 0.000
z 0.000 0.000 -29.409
Traceless
 xyz
x 3.842 -0.276 0.000
y -0.276 -1.388 0.000
z 0.000 0.000 -2.453
Polar
3z2-r2-4.907
x2-y23.486
xy-0.276
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.543 0.885 0.000
y 0.885 7.270 0.000
z 0.000 0.000 6.189


<r2> (average value of r2) Å2
<r2> 84.108
(<r2>)1/2 9.171

Conformer 2 (C1)

Jump to S1C1
Energy calculated at HF/daug-cc-pVDZ
 hartrees
Energy at 0K-476.771348
Energy at 298.15K 
HF Energy-476.771348
Nuclear repulsion energy107.003642
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/daug-cc-pVDZ
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 3268 2981 37.29 18.11 0.73 0.84
2 A 3243 2957 8.39 85.28 0.75 0.86
3 A 3229 2945 51.78 78.82 0.52 0.68
4 A 3208 2925 10.10 133.98 0.13 0.23
5 A 3163 2884 34.62 163.92 0.04 0.07
6 A 2843 2593 4.09 119.70 0.23 0.37
7 A 1591 1451 2.05 2.02 0.74 0.85
8 A 1586 1446 8.52 5.16 0.74 0.85
9 A 1575 1436 0.99 7.90 0.67 0.80
10 A 1516 1382 3.00 0.46 0.75 0.86
11 A 1413 1289 26.28 3.75 0.34 0.51
12 A 1375 1254 2.43 1.91 0.74 0.85
13 A 1206 1100 7.87 3.10 0.31 0.47
14 A 1143 1043 0.20 4.95 0.15 0.25
15 A 1051 958 5.76 4.98 0.72 0.84
16 A 931 849 5.88 1.22 0.38 0.56
17 A 779 711 0.95 2.62 0.22 0.36
18 A 704 642 6.79 22.54 0.20 0.34
19 A 351 320 1.24 1.75 0.20 0.34
20 A 276 252 1.44 0.11 0.37 0.54
21 A 220 201 15.93 0.54 0.60 0.75

Unscaled Zero Point Vibrational Energy (zpe) 17334.9 cm-1
Scaled (by 0.912) Zero Point Vibrational Energy (zpe) 15809.4 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/daug-cc-pVDZ
ABC
0.96937 0.17441 0.16023

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.644 -0.353 -0.051
C2 0.500 0.643 0.090
S3 -1.165 -0.100 -0.082
H4 2.602 0.166 0.028
H5 1.605 -1.109 0.733
H6 1.603 -0.860 -1.014
H7 0.551 1.168 1.041
H8 0.544 1.392 -0.699
H9 -1.124 -0.902 0.990

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52292.82091.09181.09021.08872.16792.16173.0079
C21.52291.83212.15562.16852.16621.08731.08862.4158
S32.82091.83213.77793.05893.01832.41132.35121.3394
H41.09182.15563.77791.76481.77052.49692.50323.9931
H51.09022.16853.05891.76481.76482.52773.07082.7488
H61.08872.16623.01831.77051.76483.07242.50793.3844
H72.16791.08732.41132.49692.52773.07241.75422.6634
H82.16171.08862.35122.50323.07082.50791.75423.3010
H93.00792.41581.33943.99312.74883.38442.66343.3010

picture of ethanethiol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 114.137 C1 C2 H7 111.216
C1 C2 H8 110.635 C2 C1 H4 109.959
C2 C1 H5 111.090 C2 C1 H6 110.992
C2 S3 H9 98.031 S3 C2 H7 108.674
S3 C2 H8 104.320 H4 C1 H5 107.956
H4 C1 H6 108.569 H5 C1 H6 108.180
H7 C2 H8 107.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.528      
2 C 0.057      
3 S 0.328      
4 H -0.298      
5 H -0.025      
6 H -0.106      
7 H -0.241      
8 H -0.286      
9 H 0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.684 0.172 0.761 1.856
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.673 1.434 -0.812
y 1.434 -27.602 -1.773
z -0.812 -1.773 -27.203
Traceless
 xyz
x -2.271 1.434 -0.812
y 1.434 0.836 -1.773
z -0.812 -1.773 1.435
Polar
3z2-r22.869
x2-y2-2.071
xy1.434
xz-0.812
yz-1.773


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.170 0.270 -0.062
y 0.270 6.599 -0.009
z -0.062 -0.009 6.219


<r2> (average value of r2) Å2
<r2> 84.602
(<r2>)1/2 9.198