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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G4
 hartrees
Energy at 0K-556.368798
Energy at 298.15K-556.360541
HF Energy-556.663736
Nuclear repulsion energy236.041958
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 B3LYP/6-31G(2df,p)
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 3124 3015 19.21      
2 A 3121 3012 19.39      
3 A 3100 2992 38.32      
4 A 3091 2983 28.18      
5 A 3051 2944 23.87      
6 A 3035 2929 15.72      
7 A 3033 2927 12.62      
8 A 3028 2922 27.39      
9 A 3010 2904 21.86      
10 A 2664 2571 5.46      
11 A 1509 1456 3.63      
12 A 1497 1445 6.61      
13 A 1496 1443 1.25      
14 A 1492 1439 6.24      
15 A 1478 1427 0.82      
16 A 1413 1363 6.58      
17 A 1411 1362 0.10      
18 A 1378 1330 2.16      
19 A 1328 1282 12.96      
20 A 1307 1262 2.82      
21 A 1272 1228 5.63      
22 A 1181 1140 1.47      
23 A 1120 1081 9.68      
24 A 1119 1080 1.52      
25 A 1032 996 0.07      
26 A 1007 972 6.21      
27 A 972 938 2.96      
28 A 876 845 4.89      
29 A 846 816 4.53      
30 A 790 763 6.49      
31 A 599 578 5.05      
32 A 454 438 0.39      
33 A 374 361 0.72      
34 A 331 319 1.13      
35 A 253 244 0.13      
36 A 231 223 0.87      
37 A 216 209 3.50      
38 A 201 194 11.83      
39 A 110 106 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 28774.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 27767.5 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 B3LYP/6-31G(2df,p)
ABC
0.14858 0.10009 0.06535

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.997 -1.206 -0.007
H2 1.217 -1.006 1.308
C3 1.197 1.583 -0.017
H4 1.396 1.628 1.060
H5 0.766 2.546 -0.316
C6 0.229 0.444 -0.344
H7 0.076 0.405 -1.429
C8 -1.134 0.625 0.342
H9 -1.461 1.656 0.150
H10 -0.997 0.547 1.428
C11 -2.222 -0.344 -0.121
H12 -2.404 -0.247 -1.197
H13 -1.939 -1.381 0.078
H14 -3.166 -0.142 0.394
H15 2.151 1.453 -0.531

Atom - Atom Distances (Å)
  S1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
S11.34802.79583.05473.77141.85042.33802.83033.77563.01803.33433.72872.94234.31542.9464
H21.34802.90852.65273.93182.40973.28433.01973.94962.70733.78254.46813.40784.55973.2107
C32.79582.90851.09571.09651.52992.15362.54502.66382.82363.92614.20804.31594.70951.0923
H43.05472.65271.09571.76952.17613.07152.81482.99842.65184.28704.80144.59854.93891.7699
H53.77143.93181.09651.76952.16972.50942.78082.44323.18544.16194.31584.78484.81611.7770
C61.85042.40971.52992.17612.16971.09701.53612.13782.15742.58462.85302.86523.52372.1796
H72.33803.28432.15363.07152.50941.09702.15592.53423.05572.74892.57503.08603.76012.4926
C82.83033.01972.54502.81482.78081.53612.15591.09891.09791.52902.17762.17752.17313.4988
H93.77563.94962.66382.99842.44322.13782.53421.09891.75442.15752.51533.07552.49043.6817
H103.01802.70732.82362.65183.18542.15743.05571.09791.75442.16703.08282.53572.49983.8177
C113.33433.78253.92614.28704.16192.58462.74891.52902.15752.16701.09601.09311.09434.7467
H123.72874.46814.20804.80144.31582.85302.57502.17762.51533.08281.09601.76881.76794.9081
H132.94233.40784.31594.59854.78482.86523.08602.17753.07552.53571.09311.76881.77225.0140
H144.31544.55974.70954.93894.81613.52373.76012.17312.49042.49981.09431.76791.77225.6287
H152.94643.21071.09231.76991.77702.17962.49263.49883.68173.81774.74674.90815.01405.6287

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 111.526 S1 C6 H7 101.943
S1 C6 C8 113.158 H2 S1 C6 96.364
C3 C6 H7 108.884 C3 C6 C8 112.103
H4 C3 H5 107.721 H4 C3 C6 110.841
H4 C3 H15 108.016 H5 C3 C6 110.300
H5 C3 H15 108.545 C6 C3 H15 111.301
C6 C8 H9 107.407 C6 C8 H10 108.812
C6 C8 C11 114.883 H7 C6 C8 108.631
C8 C11 H12 111.008 C8 C11 H13 111.275
C8 C11 H14 110.690 H9 C8 H10 106.157
H9 C8 C11 109.220 H10 C8 C11 109.978
H12 C11 H13 107.853 H12 C11 H14 107.659
H13 C11 H14 108.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.290      
2 H 0.151      
3 C -0.387      
4 H 0.118      
5 H 0.115      
6 C 0.030      
7 H 0.113      
8 C -0.156      
9 H 0.098      
10 H 0.098      
11 C -0.388      
12 H 0.112      
13 H 0.144      
14 H 0.111      
15 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.618 1.574 0.456 1.752
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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> 189.501
(<r2>)1/2 13.766