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

using model chemistry: MP3=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3=FULL/6-31G*
 hartrees
Energy at 0K-157.234790
Energy at 298.15K-157.243452
HF Energy-156.670092
Nuclear repulsion energy122.051234
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 MP3=FULL/6-31G*
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 3224 3025 26.70      
2 A 3184 2987 29.00      
3 A 3178 2982 31.58      
4 A 3174 2979 20.90      
5 A 3123 2931 26.16      
6 A 3102 2910 24.13      
7 A 3089 2898 22.43      
8 A 3047 2859 31.04      
9 A 3022 2836 31.97      
10 A 1566 1470 4.01      
11 A 1559 1463 6.52      
12 A 1554 1459 4.62      
13 A 1545 1450 0.87      
14 A 1540 1445 6.77      
15 A 1487 1395 1.56      
16 A 1475 1384 5.16      
17 A 1463 1372 0.22      
18 A 1364 1280 5.57      
19 A 1320 1238 0.05      
20 A 1226 1151 0.43      
21 A 1178 1105 0.04      
22 A 1122 1053 1.01      
23 A 1074 1008 0.23      
24 A 1022 959 2.08      
25 A 1013 951 3.24      
26 A 879 825 0.17      
27 A 799 750 1.23      
28 A 445 418 6.33      
29 A 432 405 14.34      
30 A 268 251 1.21      
31 A 247 232 0.05      
32 A 136 128 0.05      
33 A 73 69 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 26465.5 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 24832.6 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 MP3=FULL/6-31G*
ABC
0.88171 0.12164 0.11440

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.981 -0.048 -0.069
C2 -0.576 0.453 0.033
C3 0.570 -0.507 0.102
C4 1.930 0.167 -0.087
H5 -2.675 0.756 -0.333
H6 -2.063 -0.834 -0.830
H7 -2.326 -0.484 0.881
H8 -0.415 1.465 0.402
H9 0.433 -1.287 -0.658
H10 0.558 -1.033 1.072
H11 2.099 0.926 0.683
H12 2.744 -0.562 -0.026
H13 1.985 0.660 -1.063

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49512.59773.91671.09421.09621.10132.22772.77672.95304.26164.75264.1491
C21.49511.49662.52502.15162.14742.15921.08862.12742.13892.79333.47202.7930
C32.59771.49661.52903.50902.81262.99982.22381.09861.10332.17432.17792.1722
C43.91672.52501.52904.64854.18294.41342.72392.16372.15981.09511.09451.0942
H51.09422.15163.50904.64851.77421.76972.47963.73373.95294.88355.58484.7174
H61.09622.14742.81264.18291.77421.76583.08472.54313.24474.76554.88114.3211
H71.10132.15922.99984.41341.76971.76582.77153.26052.94294.64895.15134.8657
H82.22771.08862.22382.72392.47963.08472.77153.06862.76302.58613.77722.9242
H92.77672.12741.09862.16373.73372.54313.26053.06861.75303.07822.50272.5226
H102.95302.13891.10332.15983.95293.24472.94292.76301.75302.52252.49063.0752
H114.26162.79332.17431.09514.88354.76554.64892.58613.07822.52251.77061.7701
H124.75263.47202.17791.09455.58484.88115.15133.77722.50272.49061.77061.7729
H134.14912.79302.17221.09424.71744.32114.86572.92422.52263.07521.77011.7729

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 35.946 C1 C5 C7 36.422
H2 C1 H3 29.755 H2 C1 H4 16.997
H2 C1 C5 111.459 H3 C1 H4 13.929
H3 C1 C5 140.200 H4 C1 C5 126.272
C5 C7 H8 61.607 C5 C7 H9 90.884
C5 C7 C10 111.594 H6 C5 C7 59.772
C7 C10 H11 116.346 C7 C10 H12 142.778
C7 C10 H13 107.881 H8 C7 H9 60.514
H8 C7 C10 57.737 H9 C7 C10 32.315
H11 C10 H12 41.361 H11 C10 H13 35.141
H12 C10 H13 35.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability