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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: CCD/cc-pVTZ

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 CCD/cc-pVTZ
 hartrees
Energy at 0K-477.383312
Energy at 298.15K 
HF Energy-476.804897
Nuclear repulsion energy107.619480
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 CCD/cc-pVTZ
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' 3146 2937 22.03      
2 A' 3098 2893 18.57      
3 A' 3067 2863 17.80      
4 A' 2738 2556 4.46      
5 A' 1526 1424 1.93      
6 A' 1515 1414 2.60      
7 A' 1433 1338 3.05      
8 A' 1325 1237 28.16      
9 A' 1131 1056 1.49      
10 A' 1015 948 2.26      
11 A' 877 819 1.23      
12 A' 702 655 0.68      
13 A' 307 287 1.75      
14 A" 3159 2950 24.31      
15 A" 3137 2929 1.35      
16 A" 1516 1416 7.74      
17 A" 1289 1203 0.44      
18 A" 1063 992 0.41      
19 A" 799 746 2.36      
20 A" 256 239 1.42      
21 A" 182 170 14.80      

Unscaled Zero Point Vibrational Energy (zpe) 16639.8 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 15536.6 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 CCD/cc-pVTZ
ABC
0.95630 0.18289 0.16286

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.515 0.680 0.000
C2 0.000 0.832 0.000
S3 -0.756 -0.832 0.000
H4 1.993 1.659 0.000
H5 1.852 0.137 0.882
H6 1.852 0.137 -0.882
H7 -0.329 1.374 0.884
H8 -0.329 1.374 -0.884
H9 -2.034 -0.434 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52302.72891.08951.08961.08962.15942.15943.7203
C21.52301.82752.15782.16612.16611.08751.08752.3958
S32.72891.82753.71002.91902.91902.41432.41431.3384
H41.08952.15783.71001.76561.76562.50032.50034.5386
H51.08962.16612.91901.76561.76482.50723.06684.0258
H61.08962.16612.91901.76561.76483.06682.50724.0258
H72.15941.08752.41432.50032.50723.06681.76732.6377
H82.15941.08752.41432.50033.06682.50721.76732.6377
H93.72032.39581.33844.53864.02584.02582.63772.6377

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 108.728 C1 C2 H7 110.512
C1 C2 H8 110.512 C2 C1 H4 110.263
C2 C1 H5 110.920 C2 C1 H6 110.920
C2 S3 H9 97.149 S3 C2 H7 109.186
S3 C2 H8 109.186 H4 C1 H5 108.236
H4 C1 H6 108.236 H5 C1 H6 108.168
H7 C2 H8 108.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-477.384021
Energy at 298.15K-477.390363
HF Energy-476.805414
Nuclear repulsion energy107.346620
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 CCD/cc-pVTZ
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 3159 2950 24.98      
2 A 3139 2931 8.29      
3 A 3131 2924 20.11      
4 A 3096 2891 12.39      
5 A 3061 2858 21.92      
6 A 2731 2550 4.16      
7 A 1520 1419 2.29      
8 A 1514 1413 8.49      
9 A 1501 1401 1.10      
10 A 1432 1337 3.18      
11 A 1333 1244 18.30      
12 A 1302 1215 1.88      
13 A 1140 1064 6.28      
14 A 1087 1015 0.27      
15 A 1009 942 4.57      
16 A 887 828 5.48      
17 A 747 697 1.27      
18 A 686 640 2.32      
19 A 332 310 1.29      
20 A 261 243 1.34      
21 A 206 193 13.64      

Unscaled Zero Point Vibrational Energy (zpe) 16636.2 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 15533.3 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 CCD/cc-pVTZ
ABC
0.96531 0.17655 0.16176

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.634 -0.352 -0.053
C2 0.495 0.647 0.090
S3 -1.160 -0.100 -0.079
H4 2.598 0.155 0.020
H5 1.589 -1.106 0.733
H6 1.581 -0.863 -1.012
H7 0.550 1.177 1.038
H8 0.536 1.395 -0.701
H9 -1.062 -0.925 0.971

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52122.80561.09111.09001.08872.16832.16212.9405
C21.52121.82462.16042.16392.16231.08781.08912.3823
S32.80561.82463.76803.03822.99502.40972.34551.3391
H41.09112.16043.76801.76441.77052.50502.51153.9327
H51.09002.16393.03821.76441.76212.52663.06882.6684
H61.08872.16232.99501.77051.76213.07102.50763.3056
H72.16831.08782.40972.50502.52663.07101.75302.6501
H82.16211.08912.34552.51153.06882.50761.75303.2763
H92.94052.38231.33913.93272.66843.30562.65013.2763

picture of ethanethiol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 113.667 C1 C2 H7 111.342
C1 C2 H8 110.764 C2 C1 H4 110.506
C2 C1 H5 110.857 C2 C1 H6 110.806
C2 S3 H9 96.498 S3 C2 H7 109.027
S3 C2 H8 104.366 H4 C1 H5 107.990
H4 C1 H6 108.625 H5 C1 H6 107.957
H7 C2 H8 107.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability