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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-197.047850
Energy at 298.15K-197.058482
Nuclear repulsion energy181.482155
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 B3PW91/cc-pVDZ
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 3128 3019 30.78      
2 A 3125 3015 27.64      
3 A 3120 3011 30.38      
4 A 3111 3003 21.30      
5 A 3069 2962 22.90      
6 A 3058 2951 27.81      
7 A 3048 2941 19.00      
8 A 3043 2936 31.55      
9 A 2952 2849 64.60      
10 A 2945 2842 38.11      
11 A 2922 2820 43.68      
12 A 1477 1425 2.74      
13 A 1468 1417 4.65      
14 A 1461 1410 3.73      
15 A 1451 1400 16.73      
16 A 1449 1398 2.25      
17 A 1438 1388 3.07      
18 A 1433 1383 0.75      
19 A 1391 1343 2.75      
20 A 1386 1338 2.73      
21 A 1378 1329 3.70      
22 A 1362 1314 0.45      
23 A 1303 1258 1.16      
24 A 1265 1221 7.56      
25 A 1244 1200 5.30      
26 A 1090 1052 0.66      
27 A 1070 1033 0.04      
28 A 1039 1003 6.38      
29 A 979 944 1.39      
30 A 969 935 1.77      
31 A 942 909 0.59      
32 A 918 885 0.50      
33 A 763 737 1.93      
34 A 747 721 1.54      
35 A 449 433 0.83      
36 A 373 360 0.06      
37 A 309 298 1.85      
38 A 263 254 0.09      
39 A 206 199 1.00      
40 A 120 116 0.00      
41 A 112 108 0.06      
42 A 33 32 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 31704.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 30594.9 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 B3PW91/cc-pVDZ
ABC
0.24448 0.11404 0.08464

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.634 1.478 0.065
H2 0.255 2.021 -0.294
H3 -1.509 1.868 -0.478
H4 -0.769 1.769 1.130
C5 2.061 -0.037 -0.197
H6 2.211 0.963 0.241
H7 2.936 -0.646 0.077
H8 2.058 0.075 -1.294
C9 0.769 -0.692 0.293
H10 0.731 -1.735 -0.070
H11 0.820 -0.781 1.404
C12 -0.506 -0.002 -0.093
C13 -1.759 -0.816 -0.126
H14 -1.586 -1.821 -0.545
H15 -2.180 -0.970 0.892
H16 -2.551 -0.328 -0.717

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.10141.10201.11273.10192.89584.15363.32542.59423.49293.00111.49402.56183.48703.01152.7472
H21.10141.78021.77192.73962.28723.80012.83512.82363.79253.32462.17123.48294.26744.03543.6834
H31.10201.78021.77394.05613.89545.13714.07503.51334.26213.99802.15702.71833.69003.22242.4418
H41.11271.77191.77393.60943.21214.54594.09083.02053.99573.01662.16873.03944.04483.09053.3143
C53.10192.73964.05613.60941.10131.10121.10211.52912.16042.15792.56943.89884.07474.47724.6500
H62.89582.28723.89543.21211.10131.77231.77882.19523.09212.51552.90244.36494.77274.84165.0253
H74.15363.80015.13714.54591.10121.77231.78052.17782.46332.50113.50604.70214.71335.19095.5532
H83.32542.83514.07504.09081.10211.77881.78052.18392.55623.08902.83264.09004.17574.88244.6625
C92.59422.82363.51333.02051.52912.19522.17782.18391.10461.11471.50102.56562.74323.02283.4898
H103.49293.79254.26213.99572.16043.09212.46332.55621.10461.75762.12902.65462.36703.16043.6291
H113.00113.32463.99803.01662.15792.51552.50113.08901.11471.75762.14592.99803.26603.04924.0080
C121.49402.17122.15702.16872.56942.90243.50602.83261.50102.12902.14591.49382.16252.17042.1623
C132.56183.48292.71833.03943.89884.36494.70214.09002.56562.65462.99801.49381.10261.11261.1027
H143.48704.26743.69004.04484.07474.77274.71334.17572.74322.36703.26602.16251.10261.77311.7859
H153.01154.03543.22243.09054.47724.84165.19094.88243.02283.16043.04922.17041.11261.77311.7723
H162.74723.68342.44183.31434.65005.02535.55324.66253.48983.62914.00802.16231.10271.78591.7723

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 120.036 C1 C12 C13 118.054
H2 C1 H3 107.790 H2 C1 H4 106.312
H2 C1 C12 112.674 H3 C1 H4 106.441
H3 C1 C12 111.488 H4 C1 C12 111.773
C5 C9 H10 109.162 C5 C9 H11 108.394
C5 C9 C12 115.974 H6 C5 H7 107.156
H6 C5 H8 107.668 H6 C5 C9 112.114
H7 C5 H8 107.820 H7 C5 C9 110.722
H8 C5 C9 111.158 C9 C12 C13 117.896
H10 C9 H11 104.731 H10 C9 C12 108.631
H11 C9 C12 109.362 C12 C13 H14 111.910
C12 C13 H15 111.931 C12 C13 H16 111.892
H14 C13 H15 106.341 H14 C13 H16 108.161
H15 C13 H16 106.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 H 0.044      
3 H 0.040      
4 H 0.044      
5 C -0.083      
6 H 0.045      
7 H 0.037      
8 H 0.044      
9 C -0.043      
10 H 0.031      
11 H 0.036      
12 C -0.273      
13 C -0.024      
14 H 0.041      
15 H 0.044      
16 H 0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.023 -0.011 0.215 0.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.835 -0.210 0.158
y -0.210 -33.664 0.069
z 0.158 0.069 -34.460
Traceless
 xyz
x 0.227 -0.210 0.158
y -0.210 0.483 0.069
z 0.158 0.069 -0.710
Polar
3z2-r2-1.421
x2-y2-0.171
xy-0.210
xz0.158
yz0.069


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 156.275
(<r2>)1/2 12.501