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All results from a given calculation for C5H11 (2-Methylbut-2-yl radical)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-197.110179
Energy at 298.15K-197.120777
Nuclear repulsion energy180.956181
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 B3LYP/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 3119 2995 47.52      
2 A 3112 2988 44.89      
3 A 3099 2976 43.36      
4 A 3095 2972 21.76      
5 A 3059 2938 18.48      
6 A 3050 2929 45.73      
7 A 3046 2925 18.01      
8 A 3045 2924 28.69      
9 A 2970 2852 57.87      
10 A 2952 2834 53.59      
11 A 2943 2826 39.43      
12 A 1537 1476 2.73      
13 A 1531 1470 4.53      
14 A 1524 1463 3.68      
15 A 1517 1457 2.83      
16 A 1510 1450 5.50      
17 A 1505 1445 2.27      
18 A 1502 1442 1.86      
19 A 1447 1390 0.76      
20 A 1433 1376 1.01      
21 A 1428 1371 1.47      
22 A 1383 1328 0.89      
23 A 1337 1283 2.55      
24 A 1296 1245 9.42      
25 A 1263 1213 2.01      
26 A 1092 1049 2.51      
27 A 1067 1025 3.74      
28 A 1032 991 1.63      
29 A 1023 983 0.96      
30 A 994 954 1.13      
31 A 956 918 1.07      
32 A 942 905 0.12      
33 A 789 758 2.41      
34 A 738 709 0.96      
35 A 427 410 1.04      
36 A 382 367 0.10      
37 A 344 330 1.05      
38 A 236 226 0.05      
39 A 197 189 1.23      
40 A 122 117 0.00      
41 A 102 98 0.09      
42 A 31 30 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 32087.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 30813.7 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 B3LYP/6-31G*
ABC
0.22784 0.11340 0.08673

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.889 1.437 0.008
H2 -0.023 2.103 -0.095
H3 -1.589 1.667 -0.807
H4 -1.399 1.729 0.946
C5 2.033 -0.037 -0.364
H6 2.061 1.038 -0.573
H7 2.990 -0.312 0.096
H8 1.954 -0.560 -1.324
C9 0.852 -0.399 0.561
H10 0.875 -1.480 0.756
H11 1.022 0.088 1.537
C12 -0.494 -0.009 0.013
C13 -1.558 -1.042 -0.189
H14 -1.135 -2.017 -0.463
H15 -2.162 -1.207 0.723
H16 -2.267 -0.748 -0.974

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.09671.09831.10653.29383.03224.25553.72022.59023.48952.79451.49852.57563.49443.02092.7640
H21.09671.77381.76532.97992.38803.86583.53632.73093.79002.79592.16573.50074.28264.02513.7329
H31.09831.77381.76344.02713.71035.06884.21593.47814.29073.84732.16272.77863.72733.30592.5138
H41.10651.76531.76344.07593.84064.91394.65053.12163.93712.98382.16932.99854.01013.04163.2517
C53.29382.97994.02714.07591.09591.09661.09571.54332.16222.15722.55533.73323.73704.48934.4015
H63.03222.38803.71033.84061.09591.77031.76892.19393.08382.53672.82224.19164.42224.95534.6992
H74.25553.86585.06884.91391.09661.77031.77542.18952.50422.47173.49804.61504.49825.26705.3830
H83.72023.53634.21594.65051.09571.76891.77542.18912.51663.07802.84313.72183.52194.64244.2398
C92.59022.73093.47813.12161.54332.19392.18952.18911.09771.10441.50492.60482.75903.12503.4944
H103.48953.79004.29073.93712.16223.08382.50422.51661.09771.75792.14232.64662.41103.04993.6613
H112.79452.79593.84732.98382.15722.53672.47173.07801.10441.75792.15173.30393.61703.53284.2224
C121.49852.16572.16272.16932.55532.82223.49802.84311.50492.14232.15171.49732.16122.17362.1605
C132.57563.50072.77862.99853.73324.19164.61503.72182.60482.64663.30391.49731.09701.10701.0984
H143.49444.28263.72734.01013.73704.42224.49823.52192.75902.41103.61702.16121.09701.76571.7763
H153.02094.02513.30593.04164.48934.95535.26704.64243.12503.04993.53282.17361.10701.76571.7620
H162.76403.73292.51383.25174.40154.69925.38304.23983.49443.66134.22242.16051.09841.77631.7620

picture of 2-Methylbut-2-yl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C12 C9 119.180 C1 C12 C13 118.575
H2 C1 H3 107.815 H2 C1 H4 106.496
H2 C1 C12 112.204 H3 C1 H4 106.223
H3 C1 C12 111.861 H4 C1 C12 111.881
C5 C9 H10 108.732 C5 C9 H11 107.969
C5 C9 C12 113.916 H6 C5 H7 107.691
H6 C5 H8 107.627 H6 C5 C9 111.328
H7 C5 H8 108.156 H7 C5 C9 110.935
H8 C5 C9 110.952 C9 C12 C13 120.368
H10 C9 H11 105.931 H10 C9 C12 109.809
H11 C9 C12 110.158 C12 C13 H14 111.898
C12 C13 H15 112.284 C12 C13 H16 111.759
H14 C13 H15 106.481 H14 C13 H16 108.012
H15 C13 H16 106.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.494 -0.156   -0.352
2 H 0.149 0.040   0.090
3 H 0.147 0.044   0.094
4 H 0.144 0.051   0.097
5 C -0.436 -0.202   -0.218
6 H 0.144 0.053   0.057
7 H 0.138 0.048   0.056
8 H 0.145 0.033   0.047
9 C -0.300 0.130   0.046
10 H 0.133 -0.007   0.015
11 H 0.133 -0.023   0.004
12 C 0.153 0.032   0.167
13 C -0.494 -0.234   -0.459
14 H 0.147 0.062   0.116
15 H 0.145 0.059   0.115
16 H 0.145 0.070   0.127


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.072 -0.006 0.144 0.161
CHELPG -0.096 0.010 0.164 0.191
AIM        
ESP -0.104 0.005 0.157 0.189


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.981 -0.077 0.302
y -0.077 -33.627 0.064
z 0.302 0.064 -34.304
Traceless
 xyz
x -0.016 -0.077 0.302
y -0.077 0.516 0.064
z 0.302 0.064 -0.500
Polar
3z2-r2-1.000
x2-y2-0.354
xy-0.077
xz0.302
yz0.064


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.067 -0.023 0.166
y -0.023 8.086 0.034
z 0.166 0.034 6.847


<r2> (average value of r2) Å2
<r2> 156.539
(<r2>)1/2 12.512