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

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-37.982785
Energy at 298.15K-37.993428
HF Energy-37.600064
Nuclear repulsion energy103.425392
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 MP2/CEP-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 3148 3042 58.09      
2 A 3145 3039 41.80      
3 A 3125 3020 101.54      
4 A 3121 3016 40.14      
5 A 3094 2990 18.48      
6 A 3082 2978 10.92      
7 A 3031 2929 32.00      
8 A 3024 2922 95.87      
9 A 3021 2919 5.49      
10 A 2511 2427 46.65      
11 A 1535 1483 6.58      
12 A 1521 1470 7.22      
13 A 1521 1470 4.63      
14 A 1516 1465 10.72      
15 A 1506 1455 1.33      
16 A 1452 1403 7.45      
17 A 1451 1402 4.93      
18 A 1407 1360 2.30      
19 A 1352 1307 13.89      
20 A 1333 1288 1.33      
21 A 1292 1248 3.21      
22 A 1206 1165 1.16      
23 A 1145 1107 13.60      
24 A 1139 1100 3.10      
25 A 1048 1013 1.84      
26 A 1027 992 7.36      
27 A 990 956 5.63      
28 A 865 836 4.43      
29 A 855 826 9.12      
30 A 806 779 11.11      
31 A 587 567 5.74      
32 A 449 434 0.58      
33 A 370 357 1.57      
34 A 324 313 0.97      
35 A 242 234 1.27      
36 A 223 216 0.89      
37 A 207 200 0.48      
38 A 193 186 21.76      
39 A 105 101 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 28983.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 28006.3 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 MP2/CEP-31G
ABC
0.14015 0.09528 0.06208

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.055 -1.227 -0.008
H2 1.298 -0.981 1.337
C3 1.180 1.656 -0.023
H4 1.377 1.708 1.071
H5 0.717 2.618 -0.338
C6 0.210 0.471 -0.356
H7 0.034 0.432 -1.455
C8 -1.172 0.612 0.376
H9 -1.530 1.655 0.206
H10 -1.020 0.489 1.474
C11 -2.265 -0.391 -0.134
H12 -2.442 -0.250 -1.224
H13 -1.953 -1.442 0.033
H14 -3.228 -0.221 0.396
H15 2.149 1.537 -0.548

Atom - Atom Distances (Å)
  S1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
S11.38832.88653.14323.87461.92872.42692.91383.87763.07343.42633.82883.01594.41793.0214
H21.38832.96992.70294.01242.48183.37453.09244.02802.74833.89984.59083.53274.68463.2584
C32.88652.96991.11281.11301.56762.20512.60442.71942.90574.00954.26554.40694.80911.1090
H43.14322.70291.11281.80302.21993.13202.86043.03312.71894.37314.86654.69965.03771.8020
H53.87464.01241.11301.80302.20652.54822.84692.50443.29164.24204.35804.87404.91541.8072
C61.92872.48181.56762.21992.20651.11321.57022.17832.20492.63052.88162.91373.58622.2213
H72.42693.37452.20513.13202.54821.11322.19932.58843.11272.77632.57823.11033.80642.5529
C82.91383.09242.60442.86042.84691.57022.19931.11581.11531.56892.21672.22412.21793.5695
H93.87764.02802.71943.03312.50442.17832.58841.11581.79622.20122.55123.13112.53753.7576
H103.07342.74832.90572.71893.29162.20493.11271.11531.79622.21613.13772.58372.55733.9026
C113.42633.89984.00954.37314.24202.63052.77631.56892.20122.21611.11281.10911.11194.8351
H123.82884.59084.26554.86654.35802.88162.57822.21672.55123.13771.11281.79981.80074.9727
H133.01593.53274.40694.69964.87402.91373.11032.22413.13112.58371.10911.79981.80245.1030
H144.41794.68464.80915.03774.91543.58623.80642.21792.53752.55731.11191.80071.80245.7353
H153.02143.25841.10901.80201.80722.22132.55293.56953.75763.90264.83514.97275.10305.7353

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 110.871 S1 C6 H7 102.520
S1 C6 C8 112.364 H2 S1 C6 95.485
C3 C6 H7 109.513 C3 C6 C8 112.197
H4 C3 H5 108.201 H4 C3 C6 110.679
H4 C3 H15 108.400 H5 C3 C6 109.632
H5 C3 H15 108.843 C6 C3 H15 111.016
C6 C8 H9 107.169 C6 C8 H10 109.204
C6 C8 C11 113.854 H7 C6 C8 108.901
C8 C11 H12 110.350 C8 C11 H13 111.138
C8 C11 H14 110.496 H9 C8 H10 107.230
H9 C8 C11 108.981 H10 C8 C11 110.155
H12 C11 H13 108.195 H12 C11 H14 108.076
H13 C11 H14 108.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability