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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-197.054756
Energy at 298.15K-197.065405
Nuclear repulsion energy181.744138
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 B3PW91/6-31G**
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 3136 3005 36.11      
2 A 3133 3003 30.00      
3 A 3123 2994 35.71      
4 A 3115 2985 24.26      
5 A 3075 2947 26.01      
6 A 3065 2937 30.52      
7 A 3055 2927 16.15      
8 A 3054 2927 32.95      
9 A 2967 2844 62.01      
10 A 2960 2837 35.56      
11 A 2939 2816 39.88      
12 A 1516 1453 2.50      
13 A 1509 1446 5.37      
14 A 1501 1439 2.71      
15 A 1490 1428 16.01      
16 A 1488 1427 2.33      
17 A 1478 1416 2.77      
18 A 1473 1411 0.42      
19 A 1421 1362 3.80      
20 A 1416 1357 1.90      
21 A 1405 1346 4.19      
22 A 1381 1324 0.05      
23 A 1313 1259 1.10      
24 A 1283 1229 7.74      
25 A 1253 1201 5.71      
26 A 1106 1060 0.49      
27 A 1073 1028 0.70      
28 A 1046 1002 6.18      
29 A 994 953 1.21      
30 A 984 943 1.85      
31 A 946 907 0.49      
32 A 937 898 0.49      
33 A 768 736 2.03      
34 A 745 714 1.36      
35 A 450 431 0.99      
36 A 377 361 0.05      
37 A 306 293 2.00      
38 A 271 259 0.15      
39 A 203 194 1.12      
40 A 123 118 0.02      
41 A 114 109 0.04      
42 A 32 30 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 32009.5 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 30677.9 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 B3PW91/6-31G**
ABC
0.24473 0.11420 0.08474

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.630 1.479 0.066
H2 0.253 2.014 -0.300
H3 -1.502 1.865 -0.473
H4 -0.758 1.775 1.123
C5 2.059 -0.037 -0.200
H6 2.207 0.955 0.238
H7 2.930 -0.644 0.067
H8 2.049 0.077 -1.289
C9 0.769 -0.695 0.297
H10 0.731 -1.730 -0.069
H11 0.826 -0.785 1.399
C12 -0.506 -0.003 -0.088
C13 -1.761 -0.814 -0.127
H14 -1.588 -1.811 -0.547
H15 -2.188 -0.969 0.881
H16 -2.542 -0.325 -0.721

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.09521.09561.10533.09802.89014.14453.31322.59543.48853.00371.49462.56373.48133.01382.7442
H21.09521.76971.76202.73432.28683.78982.82042.82143.78153.32372.16513.47574.25234.03093.6688
H31.09561.76971.76364.04593.88475.12104.05813.50754.25143.99352.15112.71313.67793.21462.4369
H41.10531.76201.76363.60163.20164.53544.07223.01983.99113.02372.16603.04494.04263.10393.3158
C53.09802.73434.04593.60161.09441.09461.09511.53102.15572.15272.56783.89874.07054.48044.6395
H62.89012.28683.88473.20161.09441.76271.76872.18973.07952.50612.89594.35984.76164.84085.0115
H74.14453.78985.12104.53541.09461.76271.77042.17382.45642.49363.49904.69814.70685.19285.5378
H83.31322.82044.05814.07221.09511.76871.77042.17922.54783.07592.82464.08154.16464.87394.6436
C92.59542.82143.50753.01981.53102.18972.17382.17921.09841.10741.50112.56792.74103.02673.4837
H103.48853.78154.25143.99112.15573.07952.45642.54781.09841.74842.12522.65622.36953.16313.6216
H113.00373.32373.99353.02372.15272.50612.49363.07591.10741.74842.14443.00413.26653.06474.0067
C121.49462.16512.15112.16602.56782.89593.49902.82461.50112.12522.14441.49452.15692.16802.1563
C132.56373.47572.71313.04493.89874.35984.69814.08152.56792.65623.00411.49451.09631.10531.0963
H143.48134.25233.67794.04264.07054.76164.70684.16462.74102.36953.26652.15691.09631.76301.7749
H153.01384.03093.21463.10394.48044.84085.19284.87393.02673.16313.06472.16801.10531.76301.7620
H162.74423.66882.43693.31584.63955.01155.53784.64363.48373.62164.00672.15631.09631.77491.7620

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 120.074 C1 C12 C13 118.110
H2 C1 H3 107.753 H2 C1 H4 106.392
H2 C1 C12 112.525 H3 C1 H4 106.502
H3 C1 C12 111.358 H4 C1 C12 111.962
C5 C9 H10 109.038 C5 C9 H11 108.287
C5 C9 C12 115.744 H6 C5 H7 107.268
H6 C5 H8 107.765 H6 C5 C9 111.964
H7 C5 H8 107.904 H7 C5 C9 110.680
H8 C5 C9 111.076 C9 C12 C13 118.008
H10 C9 H11 104.866 H10 C9 C12 108.690
H11 C9 C12 109.663 C12 C13 H14 111.804
C12 C13 H15 112.139 C12 C13 H16 111.750
H14 C13 H15 106.411 H14 C13 H16 108.090
H15 C13 H16 106.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.418      
2 H 0.134      
3 H 0.129      
4 H 0.128      
5 C -0.392      
6 H 0.129      
7 H 0.125      
8 H 0.132      
9 C -0.257      
10 H 0.122      
11 H 0.122      
12 C 0.077      
13 C -0.418      
14 H 0.129      
15 H 0.129      
16 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.028 -0.009 0.216 0.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.476 -0.169 0.128
y -0.169 -33.323 0.054
z 0.128 0.054 -34.101
Traceless
 xyz
x 0.236 -0.169 0.128
y -0.169 0.466 0.054
z 0.128 0.054 -0.701
Polar
3z2-r2-1.403
x2-y2-0.153
xy-0.169
xz0.128
yz0.054


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> 155.798
(<r2>)1/2 12.482