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 C5H12S (2-Butanethiol, 3-methyl-)

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-593.831032
Energy at 298.15K-593.843898
Nuclear repulsion energy318.130980
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 LSDA/6-31+G**
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 3075 3029 18.39      
2 A 3066 3020 25.73      
3 A 3064 3018 9.33      
4 A 3060 3014 15.43      
5 A 3053 3007 26.69      
6 A 3050 3005 8.24      
7 A 2974 2929 16.91      
8 A 2972 2927 32.08      
9 A 2968 2923 20.89      
10 A 2962 2918 12.75      
11 A 2942 2898 2.16      
12 A 2627 2588 10.70      
13 A 1450 1428 6.22      
14 A 1438 1417 8.77      
15 A 1429 1407 38.45      
16 A 1420 1399 3.31      
17 A 1416 1394 7.74      
18 A 1410 1389 2.07      
19 A 1356 1336 18.45      
20 A 1347 1326 21.92      
21 A 1341 1321 11.73      
22 A 1324 1304 2.50      
23 A 1288 1268 1.91      
24 A 1258 1239 2.24      
25 A 1198 1180 21.49      
26 A 1172 1155 3.34      
27 A 1148 1130 2.51      
28 A 1130 1113 3.21      
29 A 1087 1071 1.81      
30 A 1010 995 13.84      
31 A 947 933 5.47      
32 A 939 925 1.25      
33 A 926 912 2.06      
34 A 894 880 1.87      
35 A 872 859 5.17      
36 A 793 781 3.73      
37 A 692 682 1.66      
38 A 475 468 0.44      
39 A 397 391 0.88      
40 A 370 365 0.30      
41 A 362 356 0.22      
42 A 332 327 1.04      
43 A 250 246 1.18      
44 A 243 240 2.29      
45 A 233 230 0.03      
46 A 204 201 13.14      
47 A 194 191 5.75      
48 A 78 77 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 34116.3 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 33604.5 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 LSDA/6-31+G**
ABC
0.12463 0.07283 0.04916

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.117 -1.642 0.084
H2 -2.008 -2.076 -0.400
H3 -0.247 -2.264 -0.187
H4 -1.256 -1.724 1.179
C5 0.529 1.857 -0.058
H6 -0.318 2.501 0.237
H7 1.434 2.270 0.419
H8 0.660 1.930 -1.153
S9 1.738 -0.615 -0.075
H10 2.669 0.305 0.291
C11 0.288 0.425 0.349
H12 0.142 0.364 1.447
C13 -0.936 -0.191 -0.316
H14 -0.763 -0.144 -1.413
C15 -2.188 0.598 0.016
H16 -2.340 0.641 1.112
H17 -2.155 1.633 -0.363
H18 -3.077 0.113 -0.421

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 S9 H10 C11 H12 C13 H14 C15 H16 H17 H18
C11.10331.10401.10653.86974.22214.68244.17663.03844.26212.51342.73231.51532.14722.48342.78563.46402.6778
H21.10331.78441.78424.69344.92105.60484.87174.03435.29353.47723.74032.16992.51222.71253.12653.71212.4354
H31.10401.78441.78224.19534.78434.87334.39762.58253.91472.79363.11902.18772.50243.46393.80864.34223.7025
H41.10651.78421.78224.18854.42964.87534.73913.42994.50632.77342.52692.16493.07532.75942.60253.80213.0412
C53.86974.69344.19534.18851.10431.10341.10492.75192.66621.50822.15572.53222.74012.99533.32922.71064.0222
H64.22214.92104.78434.42961.10431.77671.79273.74623.70762.16542.49882.81773.14882.67692.88412.11853.7080
H74.68245.60484.87334.87531.10341.77671.78542.94282.32432.17322.52223.49583.74304.00944.16933.72825.0704
H84.17664.87174.39764.73911.10491.79271.78542.96662.96002.15833.07932.78342.52803.35363.97372.93824.2187
S93.03844.03432.58253.42992.75193.74622.94282.96661.35881.83432.41332.71832.87504.10964.42914.50424.8813
H104.26215.29353.91474.50632.66623.70762.32432.96001.35882.38462.77983.68933.85734.87285.08705.04545.7923
C112.51343.47722.79362.77341.50822.16542.17322.15831.83432.38461.10971.52372.12882.50372.74502.81633.4655
H122.73233.74033.11902.52692.15572.49882.52223.07932.41332.77981.10972.14033.04242.74382.51993.18763.7297
C131.51532.16992.18772.16492.53222.81773.49582.78342.71833.68931.52372.14031.11121.51652.16842.19432.1642
H142.14722.51222.50243.07532.74013.14883.74302.52802.87503.85732.12883.04241.11122.14983.07822.48902.5302
C152.48342.71253.46392.75942.99532.67694.00943.35364.10964.87282.50372.74381.51652.14981.10681.10241.1034
H162.78563.12653.80862.60253.32922.88414.16933.97374.42915.08702.74502.51992.16843.07821.10681.78711.7803
H173.46403.71214.34223.80212.71062.11853.72822.93824.50425.04542.81633.18762.19432.48901.10241.78711.7790
H182.67782.43543.70253.04124.02223.70805.07044.21874.88135.79233.46553.72972.16422.53021.10341.78031.7790

picture of 2-Butanethiol, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C13 C11 111.589 C1 C13 H14 108.700
C1 C13 C15 109.994 H2 C1 H3 107.883
H2 C1 H4 107.689 H2 C1 C13 110.934
H3 C1 H4 107.466 H3 C1 C13 112.330
H4 C1 C13 110.353 C5 C11 S9 110.453
C5 C11 H12 109.927 C5 C11 C13 113.268
H6 C5 H7 107.181 H6 C5 H8 108.482
H6 C5 C11 111.019 H7 C5 H8 107.904
H7 C5 C11 111.697 H8 C5 C11 110.416
S9 C11 H12 107.559 S9 C11 C13 107.733
H10 S9 C11 95.473 C11 C13 H14 106.744
C11 C13 C15 110.879 H12 C11 C13 107.695
C13 C15 H16 110.532 C13 C15 H17 112.880
C13 C15 H18 110.405 H14 C13 C15 108.822
H16 C15 H17 107.978 H16 C15 H18 107.320
H17 C15 H18 107.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.606      
2 H 0.182      
3 H 0.190      
4 H 0.191      
5 C -0.733      
6 H 0.183      
7 H 0.185      
8 H 0.213      
9 S -0.045      
10 H 0.084      
11 C -0.178      
12 H 0.219      
13 C 0.015      
14 H 0.193      
15 C -0.651      
16 H 0.192      
17 H 0.177      
18 H 0.187      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.925 1.440 0.464 1.773
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.480 3.022 1.319
y 3.022 -48.728 0.744
z 1.319 0.744 -49.521
Traceless
 xyz
x 1.644 3.022 1.319
y 3.022 -0.227 0.744
z 1.319 0.744 -1.417
Polar
3z2-r2-2.835
x2-y21.247
xy3.022
xz1.319
yz0.744


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.131 -0.202 -0.059
y -0.202 12.693 -0.042
z -0.059 -0.042 10.697


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000