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

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-196.975136
Energy at 298.15K-196.985908
HF Energy-196.696185
Nuclear repulsion energy182.392268
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 B2PLYP/cc-pVTZ
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 3127 3000 32.58      
2 A 3120 2994 33.91      
3 A 3118 2992 35.21      
4 A 3109 2983 22.06      
5 A 3074 2950 23.89      
6 A 3063 2938 28.97      
7 A 3053 2930 16.74      
8 A 3052 2928 29.57      
9 A 2956 2836 70.28      
10 A 2951 2831 31.48      
11 A 2929 2810 42.83      
12 A 1523 1461 2.20      
13 A 1514 1453 5.49      
14 A 1503 1442 3.50      
15 A 1499 1438 17.16      
16 A 1492 1431 1.73      
17 A 1486 1425 2.64      
18 A 1478 1418 0.11      
19 A 1423 1365 3.51      
20 A 1419 1362 3.10      
21 A 1406 1349 4.16      
22 A 1387 1330 0.06      
23 A 1314 1261 0.99      
24 A 1290 1237 5.59      
25 A 1256 1205 5.31      
26 A 1119 1074 1.69      
27 A 1074 1030 0.50      
28 A 1050 1008 4.11      
29 A 1001 960 0.41      
30 A 992 952 1.32      
31 A 945 907 0.72      
32 A 942 904 0.38      
33 A 774 742 1.06      
34 A 743 713 1.88      
35 A 453 435 0.60      
36 A 378 363 0.09      
37 A 309 296 1.72      
38 A 274 263 0.11      
39 A 207 199 0.76      
40 A 132 127 0.00      
41 A 123 118 0.06      
42 A 43 42 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 32050.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 30748.8 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 B2PLYP/cc-pVTZ
ABC
0.24758 0.11490 0.08522

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.878 1.430 0.010
H2 -0.015 2.088 -0.090
H3 -1.576 1.663 -0.796
H4 -1.380 1.707 0.948
C5 2.023 -0.039 -0.359
H6 2.048 1.031 -0.563
H7 2.971 -0.313 0.103
H8 1.946 -0.557 -1.314
C9 0.844 -0.401 0.556
H10 0.861 -1.476 0.746
H11 1.004 0.085 1.527
C12 -0.488 -0.009 0.002
C13 -1.554 -1.032 -0.187
H14 -1.138 -2.002 -0.459
H15 -2.143 -1.187 0.729
H16 -2.263 -0.735 -0.961

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.09001.09141.09983.27193.00844.22613.69752.57223.46522.76671.49012.56013.47352.99392.7469
H21.09001.76511.75692.95762.36623.83643.51282.71163.76392.76922.15143.48004.25763.99053.7122
H31.09141.76511.75504.00513.68685.03914.19583.45674.26303.81432.14862.76333.70713.28162.5000
H41.09981.75691.75504.04203.80764.87144.61583.09013.89842.94212.15282.97003.97483.00083.2228
C53.27192.95764.00514.04201.08931.09001.08921.53562.15312.14712.53723.71583.72254.45634.3838
H63.00842.36623.68683.80761.08931.76091.75982.18063.06722.52112.79934.16804.40064.91524.6761
H74.22613.83645.03914.87141.09001.76091.76592.17662.49372.46063.47444.59094.47865.22645.3582
H83.69753.51284.19584.61581.08921.75981.76592.17542.50213.06072.82083.70663.51084.61384.2273
C92.57222.71163.45673.09011.53562.18062.17662.17541.09111.09781.49552.58822.74273.09383.4740
H103.46523.76394.26303.89842.15313.06722.49372.50211.09111.75082.12772.62662.39323.01863.6368
H112.76672.76923.81432.94212.14712.52112.46063.06071.09781.75082.13603.27543.59053.48744.1882
C121.49012.15142.14862.15282.53722.79933.47442.82081.49552.12772.13601.48912.14692.15752.1460
C132.56013.48002.76332.97003.71584.16804.59093.70662.58822.62663.27541.48911.09021.10031.0915
H143.47354.25763.70713.97483.72254.40064.47863.51082.74272.39323.59052.14691.09021.75731.7677
H152.99393.99053.28163.00084.45634.91525.22644.61383.09383.01863.48742.15751.10031.75731.7537
H162.74693.71222.50003.22284.38384.67615.35824.22733.47403.63684.18822.14601.09151.76771.7537

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 118.983 C1 C12 C13 118.481
H2 C1 H3 108.032 H2 C1 H4 106.699
H2 C1 C12 112.065 H3 C1 H4 106.437
H3 C1 C12 111.739 H4 C1 C12 111.556
C5 C9 H10 108.930 C5 C9 H11 108.085
C5 C9 C12 113.660 H6 C5 H7 107.812
H6 C5 H8 107.765 H6 C5 C9 111.211
H7 C5 H8 108.261 H7 C5 C9 110.857
H8 C5 C9 110.803 C9 C12 C13 120.265
H10 C9 H11 106.228 H10 C9 C12 109.698
H11 C9 C12 109.960 C12 C13 H14 111.755
C12 C13 H15 111.979 C12 C13 H16 111.594
H14 C13 H15 106.689 H14 C13 H16 108.240
H15 C13 H16 106.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301      
2 H 0.103      
3 H 0.100      
4 H 0.085      
5 C -0.313      
6 H 0.094      
7 H 0.103      
8 H 0.097      
9 C -0.146      
10 H 0.092      
11 H 0.081      
12 C 0.019      
13 C -0.294      
14 H 0.097      
15 H 0.085      
16 H 0.098      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.278 0.055 0.037
y 0.055 9.325 -0.035
z 0.037 -0.035 7.897


<r2> (average value of r2) Å2
<r2> 155.480
(<r2>)1/2 12.469