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

using model chemistry: QCISD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-552.479389
Energy at 298.15K-552.490233
HF Energy-551.987075
Nuclear repulsion energy232.808171
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 QCISD/3-21G
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 3115 3019 18.39      
2 A 3109 3014 16.72      
3 A 3090 2995 43.39      
4 A 3085 2990 13.50      
5 A 3070 2975 2.86      
6 A 3046 2952 8.97      
7 A 3028 2935 15.94      
8 A 3020 2927 27.36      
9 A 3011 2918 11.82      
10 A 2362 2290 34.69      
11 A 1587 1538 5.08      
12 A 1574 1526 8.23      
13 A 1573 1524 2.31      
14 A 1570 1522 9.28      
15 A 1559 1511 2.11      
16 A 1479 1433 6.44      
17 A 1475 1429 8.11      
18 A 1414 1371 1.43      
19 A 1374 1332 7.31      
20 A 1359 1318 2.01      
21 A 1309 1268 6.62      
22 A 1214 1177 1.50      
23 A 1154 1119 7.59      
24 A 1127 1092 5.18      
25 A 1044 1012 8.15      
26 A 1031 999 2.04      
27 A 982 952 2.74      
28 A 878 851 5.79      
29 A 846 820 6.07      
30 A 815 790 10.01      
31 A 576 558 6.63      
32 A 461 446 0.38      
33 A 374 363 1.08      
34 A 330 320 1.02      
35 A 262 254 0.11      
36 A 241 233 5.24      
37 A 227 220 8.13      
38 A 220 213 12.61      
39 A 120 117 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 29054.3 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 28159.4 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 QCISD/3-21G
ABC
0.14231 0.09878 0.06384

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.016 -1.229 -0.008
H2 1.187 -0.999 1.347
C3 1.194 1.619 -0.010
H4 1.386 1.626 1.074
H5 0.760 2.591 -0.291
C6 0.210 0.483 -0.370
H7 0.050 0.450 -1.456
C8 -1.150 0.637 0.353
H9 -1.509 1.664 0.170
H10 -0.989 0.535 1.439
C11 -2.225 -0.376 -0.123
H12 -2.418 -0.246 -1.199
H13 -1.879 -1.403 0.047
H14 -3.168 -0.220 0.420
H15 2.150 1.487 -0.533

Atom - Atom Distances (Å)
  S1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 H13 H14 H15
S11.38412.85343.07493.83901.92712.41902.88183.84443.03753.35413.76602.90174.32562.9896
H21.38412.94812.64593.96872.46913.35343.02043.96762.66393.76714.47703.35484.51993.2620
C32.85342.94811.10061.10111.54572.18312.56752.71002.83543.96074.23624.31114.75381.0975
H43.07492.64591.10061.78542.18483.09282.81563.03312.63864.29904.81074.57074.95711.7852
H53.83903.96871.10111.78542.18002.53822.80792.49503.20644.21284.35654.79994.88311.7908
C61.92712.46911.54572.18482.18001.09821.54752.15422.17032.59382.85062.84553.53952.1906
H72.41903.35342.18313.09282.53821.09822.17892.55913.07662.76342.57783.06903.78512.5167
C82.88183.02042.56752.81562.80791.54752.17891.10331.10211.55232.19042.18822.19373.5209
H93.84443.96762.71003.03312.49502.15422.55911.10331.77562.18192.52003.09192.52273.7303
H103.03752.66392.83542.63863.20642.17033.07661.10211.77562.19073.10012.54702.52123.8272
C113.35413.76713.96074.29904.21282.59382.76341.55232.18192.19071.10041.09721.09944.7729
H123.76604.47704.23624.81074.35652.85062.57782.19042.52003.10011.10041.78381.78454.9310
H132.90173.35484.31114.57074.79992.84553.06902.18823.09192.54701.09721.78381.78864.9926
H144.32564.51994.75384.95714.88313.53953.78512.19372.52272.52121.09941.78451.78865.6661
H152.98963.26201.09751.78521.79082.19062.51673.52093.73033.82724.77294.93104.99265.6661

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 110.016 S1 C6 H7 102.716
S1 C6 C8 111.612 H2 S1 C6 95.025
C3 C6 H7 110.169 C3 C6 C8 112.206
H4 C3 H5 108.367 H4 C3 C6 110.165
H4 C3 H15 108.619 H5 C3 C6 109.757
H5 C3 H15 109.077 C6 C3 H15 110.804
C6 C8 H9 107.532 C6 C8 H10 108.828
C6 C8 C11 113.602 H7 C6 C8 109.719
C8 C11 H12 110.156 C8 C11 H13 110.173
C8 C11 H14 110.470 H9 C8 H10 107.248
H9 C8 C11 109.330 H10 C8 C11 110.080
H12 C11 H13 108.527 H12 C11 H14 108.431
H13 C11 H14 109.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability