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All results from a given calculation for CH3CHCH2CH3 (2-Butyl radical)

using model chemistry: TPSSh/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 TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-157.819978
Energy at 298.15K-157.828445
HF Energy-157.819978
Nuclear repulsion energy121.780091
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 TPSSh/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 3145 3035 35.40      
2 A 3106 2997 35.43      
3 A 3101 2993 40.31      
4 A 3090 2982 24.24      
5 A 3037 2930 30.81      
6 A 3031 2925 34.44      
7 A 3012 2906 25.35      
8 A 2950 2847 47.08      
9 A 2921 2819 39.21      
10 A 1517 1464 2.04      
11 A 1510 1457 4.15      
12 A 1498 1446 3.16      
13 A 1487 1435 4.03      
14 A 1479 1428 0.19      
15 A 1416 1367 1.25      
16 A 1411 1362 0.17      
17 A 1403 1354 0.54      
18 A 1310 1264 12.55      
19 A 1272 1227 0.08      
20 A 1180 1139 0.41      
21 A 1134 1094 0.28      
22 A 1069 1032 0.91      
23 A 1023 987 0.11      
24 A 979 945 2.40      
25 A 968 934 2.11      
26 A 841 812 0.22      
27 A 759 733 1.29      
28 A 419 405 16.87      
29 A 416 401 0.24      
30 A 254 245 0.89      
31 A 228 220 0.02      
32 A 115 111 0.02      
33 A 64 62 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 25572.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 24677.1 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 TPSSh/6-31G(2df,p)
ABC
0.87204 0.12088 0.11396

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.986 -0.042 -0.080
H2 2.066 -0.830 -0.840
H3 2.669 0.768 -0.356
H4 2.373 -0.479 0.858
C5 0.580 0.441 0.062
H6 0.413 1.464 0.395
C7 -0.575 -0.509 0.107
H8 -0.588 -1.048 1.074
H9 -0.434 -1.295 -0.650
C10 -1.934 0.172 -0.096
H11 -2.107 0.935 0.671
H12 -1.982 0.665 -1.073
H13 -2.753 -0.552 -0.040

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.09801.09491.10471.49332.22882.60932.99472.78393.92564.27444.15094.7665
H21.09801.77521.76082.15323.08532.82323.27912.54954.18974.77604.32134.8927
H31.09491.77521.76542.15542.47763.51633.99383.73744.64844.88804.70685.5892
H41.10471.76081.76542.16712.79903.04223.02363.28934.45954.70214.89965.2050
C51.49332.15322.15542.16711.08881.49562.14572.13242.53312.79912.81103.4792
H62.22883.08532.47762.79901.08882.22482.78793.06912.72342.58962.92003.7782
C72.60932.82323.51633.04221.49562.22481.10661.10031.53392.17982.17992.1839
H82.99473.27913.99383.02362.14572.78791.10661.74782.16042.52993.07962.4843
H92.78392.54953.73743.28932.13243.06911.10031.74782.16993.08492.53342.5106
C103.92564.18974.64844.45952.53312.72341.53392.16042.16991.09581.09501.0947
H114.27444.77604.88804.70212.79912.58962.17982.52993.08491.09581.76891.7700
H124.15094.32134.70684.89962.81102.92002.17993.07962.53341.09501.76891.7729
H134.76654.89275.58925.20503.47923.77822.18392.48432.51061.09471.77001.7729

picture of 2-Butyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 118.510 C1 C5 C7 121.625
H2 C1 H3 108.099 H2 C1 H4 106.147
H2 C1 C5 111.482 H3 C1 H4 106.754
H3 C1 C5 111.852 H4 C1 C5 112.190
C5 C7 H8 110.194 C5 C7 H9 109.525
C5 C7 C10 113.463 H6 C5 C7 117.974
C7 C10 H11 110.870 C7 C10 H12 110.928
C7 C10 H13 111.271 H8 C7 H9 104.746
H8 C7 C10 108.724 H9 C7 C10 109.824
H11 C10 H12 107.688 H11 C10 H13 107.808
H12 C10 H13 108.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability