return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-556.522875
Energy at 298.15K-556.533422
Nuclear repulsion energy233.990566
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 BLYP/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 3047 3030 20.44      
2 A 3042 3026 21.04      
3 A 3022 3005 40.86      
4 A 3012 2996 30.08      
5 A 2972 2955 30.57      
6 A 2961 2945 16.11      
7 A 2954 2938 31.85      
8 A 2952 2936 8.17      
9 A 2930 2914 24.96      
10 A 2577 2563 7.70      
11 A 1473 1465 2.95      
12 A 1461 1453 5.55      
13 A 1459 1451 0.76      
14 A 1455 1447 5.52      
15 A 1440 1432 0.66      
16 A 1374 1367 4.26      
17 A 1374 1366 0.38      
18 A 1335 1327 3.07      
19 A 1291 1283 12.68      
20 A 1271 1264 4.15      
21 A 1235 1228 6.94      
22 A 1144 1138 1.67      
23 A 1087 1081 8.56      
24 A 1081 1075 2.48      
25 A 997 991 0.10      
26 A 976 971 5.33      
27 A 944 938 3.49      
28 A 848 844 4.01      
29 A 812 808 4.86      
30 A 770 765 6.42      
31 A 564 561 6.07      
32 A 440 438 0.38      
33 A 363 361 0.62      
34 A 320 319 1.14      
35 A 246 244 0.12      
36 A 226 225 1.15      
37 A 209 208 4.58      
38 A 198 197 9.41      
39 A 108 107 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 27983.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 27829.4 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 BLYP/6-31G(2df,p)
ABC
0.14587 0.09828 0.06414

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.016 -1.213 -0.007
H2 1.240 -1.005 1.317
C3 1.194 1.605 -0.018
H4 1.396 1.655 1.065
H5 0.754 2.571 -0.321
C6 0.225 0.452 -0.345
H7 0.073 0.407 -1.437
C8 -1.148 0.622 0.346
H9 -1.484 1.659 0.158
H10 -1.011 0.541 1.439
C11 -2.240 -0.358 -0.123
H12 -2.424 -0.258 -1.206
H13 -1.949 -1.400 0.074
H14 -3.191 -0.161 0.396
H15 2.154 1.481 -0.537

Atom - Atom Distances (Å)
  S1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
S11.35922.82413.08573.80651.87472.35812.85943.81113.04593.36833.76592.97244.35492.9724
H21.35922.93182.67633.96282.43203.30773.04793.98182.73283.82104.51053.44584.60303.2329
C32.82412.93181.10241.10361.54052.16912.56622.68382.84913.95674.23894.34994.74501.0989
H43.08572.67631.10241.78032.19163.09292.83863.01922.67864.32254.83794.63804.97821.7807
H53.80653.96281.10361.78032.18382.52852.80462.46383.21504.19354.34594.82084.85201.7878
C61.87472.43201.54052.19162.18381.10381.54702.15142.17252.60462.87472.88773.54892.1944
H72.35813.30772.16913.09292.52851.10382.17222.55603.07692.76812.59423.10503.78632.5089
C82.85943.04792.56622.83862.80461.54702.17221.10621.10471.54012.19302.19212.18783.5251
H93.81113.98182.68383.01922.46382.15142.55601.10621.76532.17222.53293.09562.50653.7082
H103.04592.73282.84912.67863.21502.17253.07691.10471.76532.18183.10352.55242.51643.8482
C113.36833.82103.95674.32254.19352.60462.76811.54012.17222.18181.10281.09981.10114.7815
H123.76594.51054.23894.83794.34592.87472.59422.19302.53293.10351.10281.77991.77884.9426
H132.97243.44584.34994.63804.82082.88773.10502.19213.09562.55241.09981.77991.78355.0513
H144.35494.60304.74504.97824.85203.54893.78632.18782.50652.51641.10111.77881.78355.6689
H152.97243.23291.09891.78071.78782.19442.50893.52513.70823.84824.78154.94265.05135.6689

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 111.194 S1 C6 H7 101.536
S1 C6 C8 113.024 H2 S1 C6 96.225
C3 C6 H7 109.113 C3 C6 C8 112.438
H4 C3 H5 107.611 H4 C3 C6 110.954
H4 C3 H15 107.980 H5 C3 C6 110.266
H5 C3 H15 108.518 C6 C3 H15 111.385
C6 C8 H9 107.188 C6 C8 H10 108.881
C6 C8 C11 115.067 H7 C6 C8 108.906
C8 C11 H12 111.071 C8 C11 H13 111.175
C8 C11 H14 110.758 H9 C8 H10 105.968
H9 C8 C11 109.239 H10 C8 C11 110.075
H12 C11 H13 107.816 H12 C11 H14 107.624
H13 C11 H14 108.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.293      
2 H 0.142      
3 C -0.352      
4 H 0.104      
5 H 0.100      
6 C 0.076      
7 H 0.093      
8 C -0.120      
9 H 0.081      
10 H 0.082      
11 C -0.351      
12 H 0.097      
13 H 0.130      
14 H 0.095      
15 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.627 1.560 0.439 1.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.322 0.746 1.222
y 0.746 -42.535 -1.120
z 1.222 -1.120 -38.621
Traceless
 xyz
x -1.744 0.746 1.222
y 0.746 -2.063 -1.120
z 1.222 -1.120 3.807
Polar
3z2-r27.615
x2-y20.213
xy0.746
xz1.222
yz-1.120


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.192 -0.391 0.157
y -0.391 10.188 -0.135
z 0.157 -0.135 8.282


<r2> (average value of r2) Å2
<r2> 192.584
(<r2>)1/2 13.877