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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-38.329874
Energy at 298.15K-38.340687
HF Energy-37.706917
Nuclear repulsion energy105.361460
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 3199 3037 31.89      
2 A 3193 3032 23.85      
3 A 3176 3016 49.23      
4 A 3171 3010 37.01      
5 A 3141 2982 24.86      
6 A 3121 2963 6.33      
7 A 3086 2930 28.10      
8 A 3078 2923 64.59      
9 A 3075 2919 4.75      
10 A 2741 2602 12.41      
11 A 1534 1456 6.30      
12 A 1523 1446 14.15      
13 A 1520 1444 0.97      
14 A 1518 1441 7.98      
15 A 1508 1431 1.18      
16 A 1445 1371 6.66      
17 A 1441 1368 4.13      
18 A 1408 1337 0.92      
19 A 1359 1291 14.47      
20 A 1328 1261 0.52      
21 A 1297 1231 3.95      
22 A 1209 1147 1.28      
23 A 1154 1096 5.97      
24 A 1145 1087 9.48      
25 A 1068 1014 0.15      
26 A 1030 978 7.90      
27 A 988 938 4.26      
28 A 896 851 8.97      
29 A 883 838 3.31      
30 A 804 763 9.65      
31 A 643 610 3.78      
32 A 459 436 0.49      
33 A 383 364 1.50      
34 A 337 320 1.04      
35 A 261 248 0.53      
36 A 231 220 1.44      
37 A 222 210 1.79      
38 A 214 204 17.48      
39 A 111 106 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 29449.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 27959.6 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
0.14746 0.09997 0.06524

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 0.969 -1.222 -0.004
H2 1.190 -0.993 1.313
C3 1.237 1.566 -0.017
H4 1.429 1.599 1.072
H5 0.818 2.544 -0.321
C6 0.239 0.436 -0.354
H7 0.073 0.414 -1.448
C8 -1.123 0.650 0.349
H9 -1.442 1.691 0.142
H10 -0.979 0.566 1.444
C11 -2.229 -0.319 -0.122
H12 -2.387 -0.224 -1.212
H13 -1.959 -1.365 0.096
H14 -3.185 -0.090 0.384
H15 2.198 1.411 -0.535

Atom - Atom Distances (Å)
  S1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
S11.35502.80083.05413.78231.84542.35852.82913.78423.01523.32573.70432.93344.32272.9539
H21.35502.88422.61423.91382.39273.29352.99613.93692.67473.76884.44573.39624.56223.1953
C32.80082.88421.10581.10641.54442.17432.55722.68612.83593.94664.21514.33784.73821.1025
H43.05412.61421.10581.79042.19083.09662.81683.01872.64654.29944.80674.60614.96091.7906
H53.78233.91381.10641.79042.18602.52202.79342.45963.20244.18594.32814.81334.84331.7976
C61.84542.39271.54442.19082.18601.10671.54672.15512.17502.59142.84092.87723.54132.1956
H72.35853.29352.17433.09662.52201.10672.17092.54063.08072.75622.55303.11123.77142.5182
C82.82912.99612.55722.81682.79341.54672.17091.10841.10751.54402.19082.19622.19093.5193
H93.78423.93692.68613.01872.45962.15512.54061.10841.78102.17472.52933.10002.50363.7125
H103.01522.67472.83592.64653.20242.17503.08071.10751.78102.19023.10832.55072.53323.8368
C113.32573.76883.94664.29944.18592.59142.75621.54402.17472.19021.10581.10261.10504.7710
H123.70434.44574.21514.80674.32812.84092.55302.19082.52933.10831.10581.78811.78934.9150
H132.93343.39624.33784.60614.81332.87723.11122.19623.10002.55071.10261.78811.79195.0384
H144.32274.56224.73824.96094.84333.54133.77142.19092.50362.53321.10501.78931.79195.6628
H152.95393.19531.10251.79061.79762.19562.51823.51933.71253.83684.77104.91505.03845.6628

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 111.119 S1 C6 H7 103.189
S1 C6 C8 112.732 H2 S1 C6 95.543
C3 C6 H7 109.081 C3 C6 C8 111.643
H4 C3 H5 108.056 H4 C3 C6 110.417
H4 C3 H15 108.354 H5 C3 C6 110.009
H5 C3 H15 108.937 C6 C3 H15 110.994
C6 C8 H9 107.372 C6 C8 H10 108.937
C6 C8 C11 113.950 H7 C6 C8 108.663
C8 C11 H12 110.447 C8 C11 H13 111.058
C8 C11 H14 110.503 H9 C8 H10 106.976
H9 C8 C11 109.039 H10 C8 C11 110.299
H12 C11 H13 108.138 H12 C11 H14 108.072
H13 C11 H14 108.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability