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All results from a given calculation for CH3CH(SH)CH2CH3 (2-Butanethiol)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-556.536762
Energy at 298.15K-556.547530
Nuclear repulsion energy236.555383
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 B3PW91/6-31G*
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 3153 3017 18.80      
2 A 3148 3012 20.24      
3 A 3130 2994 38.75      
4 A 3120 2985 31.06      
5 A 3078 2945 24.24      
6 A 3061 2929 5.33      
7 A 3057 2925 23.19      
8 A 3051 2919 31.55      
9 A 3033 2902 23.45      
10 A 2693 2576 19.22      
11 A 1533 1467 5.68      
12 A 1522 1456 9.33      
13 A 1521 1455 3.48      
14 A 1517 1452 8.14      
15 A 1504 1439 1.20      
16 A 1436 1373 11.39      
17 A 1432 1370 0.86      
18 A 1396 1335 1.33      
19 A 1343 1285 12.34      
20 A 1320 1262 1.01      
21 A 1287 1231 3.65      
22 A 1194 1142 1.33      
23 A 1136 1087 5.90      
24 A 1132 1083 8.93      
25 A 1052 1006 0.17      
26 A 1017 973 9.00      
27 A 982 940 4.18      
28 A 885 846 6.80      
29 A 861 824 5.05      
30 A 796 762 8.42      
31 A 615 588 5.05      
32 A 457 438 0.48      
33 A 379 363 1.09      
34 A 333 318 1.54      
35 A 259 248 0.21      
36 A 235 225 3.67      
37 A 222 212 9.46      
38 A 212 203 8.83      
39 A 113 108 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 29107.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 27846.9 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 B3PW91/6-31G*
ABC
0.14916 0.10085 0.06576

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.982 -1.209 -0.006
H2 1.195 -1.002 1.311
C3 1.207 1.569 -0.014
H4 1.403 1.612 1.065
H5 0.788 2.538 -0.314
C6 0.233 0.442 -0.346
H7 0.081 0.412 -1.433
C8 -1.127 0.634 0.335
H9 -1.452 1.666 0.132
H10 -0.992 0.568 1.424
C11 -2.215 -0.334 -0.117
H12 -2.402 -0.243 -1.194
H13 -1.930 -1.371 0.086
H14 -3.158 -0.131 0.402
H15 2.164 1.431 -0.525

Atom - Atom Distances (Å)
  S1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
S11.35002.78693.04703.76411.84462.33972.82183.76893.01663.31653.71402.91824.29782.9390
H21.35002.89172.63383.91572.39873.28133.00343.93782.69423.75654.44803.37654.53133.1986
C32.78692.89171.09711.09761.52632.15012.53912.66472.81173.91744.20754.30104.70301.0937
H43.04702.63381.09711.77112.17453.07082.80953.00352.63734.27524.79824.57934.92751.7725
H53.76413.91571.09761.77112.16792.50432.77732.44443.17314.15994.32214.77794.81691.7783
C61.84462.39871.52632.17452.16791.09851.53302.13602.15592.57832.85142.85553.51932.1773
H72.33973.28132.15013.07082.50431.09852.15312.52443.05602.74982.57883.08753.76232.4905
C82.82183.00342.53912.80952.77731.53302.15311.10021.09951.52472.17512.17432.17093.4943
H93.76893.93782.66473.00352.44442.13602.52441.10021.75612.15522.51123.07482.49213.6825
H103.01662.69422.81172.63733.17312.15593.05601.09951.75612.16443.08222.53592.49493.8088
C113.31653.75653.91744.27524.15992.57832.74981.52472.15522.16441.09701.09461.09564.7394
H123.71404.44804.20754.79824.32212.85142.57882.17512.51123.08221.09701.77051.77004.9090
H132.91823.37654.30104.57934.77792.85553.08752.17433.07482.53591.09461.77051.77424.9992
H144.29784.53134.70304.92754.81693.51933.76232.17092.49212.49491.09561.77001.77425.6237
H152.93903.19861.09371.77251.77832.17732.49053.49433.68253.80884.73944.90904.99925.6237

picture of 2-Butanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C6 C3 111.183 S1 C6 H7 102.323
S1 C6 C8 112.997 H2 S1 C6 96.092
C3 C6 H7 108.913 C3 C6 C8 112.186
H4 C3 H5 107.606 H4 C3 C6 110.916
H4 C3 H15 108.009 H5 C3 C6 110.358
H5 C3 H15 108.488 C6 C3 H15 111.338
C6 C8 H9 107.282 C6 C8 H10 108.842
C6 C8 C11 114.959 H7 C6 C8 108.687
C8 C11 H12 111.074 C8 C11 H13 111.158
C8 C11 H14 110.822 H9 C8 H10 105.948
H9 C8 C11 109.318 H10 C8 C11 110.079
H12 C11 H13 107.776 H12 C11 H14 107.655
H13 C11 H14 108.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.092     -0.350
2 H 0.103     0.204
3 C -0.498     -0.601
4 H 0.169     0.168
5 H 0.172     0.170
6 C -0.292     0.099
7 H 0.198     0.169
8 C -0.290     -0.129
9 H 0.165     0.058
10 H 0.161     0.080
11 C -0.512     -0.167
12 H 0.164     0.049
13 H 0.196     0.039
14 H 0.168     0.060
15 H 0.191     0.151


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.620 1.657 0.558 1.855
CHELPG        
AIM        
ESP -0.597 1.683 0.545 1.867


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.940 0.825 1.380
y 0.825 -42.376 -1.398
z 1.380 -1.398 -38.254
Traceless
 xyz
x -1.625 0.825 1.380
y 0.825 -2.279 -1.398
z 1.380 -1.398 3.904
Polar
3z2-r27.808
x2-y20.436
xy0.825
xz1.380
yz-1.398


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


<r2> (average value of r2) Å2
<r2> 188.469
(<r2>)1/2 13.728