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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-197.075387
Energy at 298.15K-197.086076
Nuclear repulsion energy182.091139
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 mPW1PW91/6-31G**
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 3155 3002 33.37      
2 A 3154 3001 29.10      
3 A 3144 2991 34.89      
4 A 3136 2984 22.96      
5 A 3096 2946 25.33      
6 A 3086 2936 28.49      
7 A 3073 2924 15.73      
8 A 3072 2923 32.96      
9 A 2990 2845 56.43      
10 A 2983 2839 34.25      
11 A 2962 2818 38.73      
12 A 1524 1451 2.27      
13 A 1516 1443 5.81      
14 A 1509 1436 2.60      
15 A 1499 1426 18.12      
16 A 1497 1424 1.44      
17 A 1486 1414 3.03      
18 A 1480 1408 0.35      
19 A 1429 1360 4.70      
20 A 1424 1355 1.47      
21 A 1414 1346 5.13      
22 A 1391 1323 0.13      
23 A 1323 1259 1.14      
24 A 1290 1228 6.86      
25 A 1262 1200 5.79      
26 A 1113 1059 0.50      
27 A 1082 1030 0.45      
28 A 1052 1001 6.31      
29 A 999 951 1.24      
30 A 989 941 1.90      
31 A 954 907 0.48      
32 A 942 896 0.44      
33 A 770 733 1.93      
34 A 751 715 1.38      
35 A 454 432 0.94      
36 A 379 361 0.05      
37 A 304 289 2.11      
38 A 276 262 0.11      
39 A 205 195 1.12      
40 A 125 119 0.02      
41 A 115 109 0.04      
42 A 36 34 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 32218.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 30656.0 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 mPW1PW91/6-31G**
ABC
0.24632 0.11478 0.08498

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.612 1.478 0.066
H2 0.267 2.003 -0.319
H3 -1.490 1.873 -0.452
H4 -0.712 1.771 1.125
C5 2.054 -0.039 -0.186
H6 2.200 0.935 0.288
H7 2.921 -0.656 0.064
H8 2.051 0.114 -1.269
C9 0.762 -0.710 0.277
H10 0.724 -1.731 -0.122
H11 0.808 -0.835 1.374
C12 -0.507 -0.002 -0.095
C13 -1.769 -0.799 -0.118
H14 -1.611 -1.796 -0.540
H15 -2.182 -0.949 0.894
H16 -2.551 -0.302 -0.701

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.09361.09391.10333.07732.87264.12683.27602.59183.48083.01321.49282.56053.47673.00712.7415
H21.09361.76731.75992.71672.29093.77612.76662.82153.76713.34922.16123.46934.24434.02313.6605
H31.09391.76731.76154.03573.87945.11054.03753.50344.24253.99432.14742.70673.67203.20212.4321
H41.10331.75991.76153.55643.14394.49624.01413.00803.98543.02812.16253.04384.03823.10053.3180
C53.07732.71674.03573.55641.09291.09291.09351.52792.15292.14962.56243.89804.08034.46534.6408
H62.87262.29093.87943.14391.09291.76051.76632.18513.07452.50002.89014.35014.76184.80855.0080
H74.12683.77615.11054.49621.09291.76051.76782.17002.45232.49213.49254.69494.71215.17815.5358
H83.27602.76664.03754.01411.09351.76631.76782.17532.54573.07122.81674.09284.19484.87134.6556
C92.59182.82153.50343.00801.52792.18512.17002.17531.09681.10541.49922.56252.73493.01733.4777
H103.48083.76714.24253.98542.15293.07452.45232.54571.09681.74602.12212.66142.37373.17663.6196
H113.01323.34923.99433.02812.14962.50002.49213.07121.10541.74602.14062.97803.23173.03103.9841
C121.49282.16122.14742.16252.56242.89013.49252.81671.49922.12212.14061.49262.15342.16382.1529
C132.56053.46932.70673.04383.89804.35014.69494.09282.56252.66142.97801.49261.09461.10321.0946
H143.47674.24433.67204.03824.08034.76184.71214.19482.73492.37373.23172.15341.09461.76081.7723
H153.00714.02313.20213.10054.46534.80855.17814.87133.01733.17663.03102.16381.10321.76081.7599
H162.74153.66052.43213.31804.64085.00805.53584.65563.47773.61963.98412.15291.09461.77231.7599

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 120.050 C1 C12 C13 118.118
H2 C1 H3 107.783 H2 C1 H4 106.461
H2 C1 C12 112.444 H3 C1 H4 106.582
H3 C1 C12 111.299 H4 C1 C12 111.939
C5 C9 H10 109.110 C5 C9 H11 108.361
C5 C9 C12 115.654 H6 C5 H7 107.306
H6 C5 H8 107.781 H6 C5 C9 111.898
H7 C5 H8 107.909 H7 C5 C9 110.691
H8 C5 C9 111.075 C9 C12 C13 117.856
H10 C9 H11 104.895 H10 C9 C12 108.665
H11 C9 C12 109.615 C12 C13 H14 111.755
C12 C13 H15 112.069 C12 C13 H16 111.712
H14 C13 H15 106.481 H14 C13 H16 108.104
H15 C13 H16 106.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.423      
2 H 0.137      
3 H 0.132      
4 H 0.131      
5 C -0.400      
6 H 0.132      
7 H 0.128      
8 H 0.135      
9 C -0.263      
10 H 0.126      
11 H 0.125      
12 C 0.068      
13 C -0.423      
14 H 0.132      
15 H 0.132      
16 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.024 -0.010 0.221 0.223
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.457 -0.180 0.111
y -0.180 -33.310 0.055
z 0.111 0.055 -34.079
Traceless
 xyz
x 0.238 -0.180 0.111
y -0.180 0.458 0.055
z 0.111 0.055 -0.696
Polar
3z2-r2-1.392
x2-y2-0.147
xy-0.180
xz0.111
yz0.055


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> 155.203
(<r2>)1/2 12.458