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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-197.080205
Energy at 298.15K-197.090954
Nuclear repulsion energy182.109388
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 mPW1PW91/6-31+G**
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 3149 2997 31.97      
2 A 3145 2994 32.79      
3 A 3141 2990 35.03      
4 A 3133 2982 22.17      
5 A 3093 2944 25.36      
6 A 3082 2934 29.90      
7 A 3069 2921 21.02      
8 A 3066 2918 33.62      
9 A 2978 2834 72.64      
10 A 2971 2828 41.04      
11 A 2947 2805 51.13      
12 A 1517 1443 2.71      
13 A 1508 1435 8.40      
14 A 1498 1426 4.67      
15 A 1493 1421 25.17      
16 A 1486 1415 2.05      
17 A 1478 1407 3.98      
18 A 1470 1400 0.16      
19 A 1421 1353 7.04      
20 A 1417 1349 1.59      
21 A 1407 1339 8.17      
22 A 1386 1320 0.49      
23 A 1318 1255 1.03      
24 A 1283 1222 5.03      
25 A 1256 1196 5.23      
26 A 1112 1058 1.41      
27 A 1081 1028 0.14      
28 A 1050 999 6.16      
29 A 995 947 0.66      
30 A 986 938 1.66      
31 A 951 905 0.64      
32 A 936 891 0.36      
33 A 768 731 1.43      
34 A 751 715 2.10      
35 A 455 433 0.75      
36 A 379 361 0.09      
37 A 307 293 2.31      
38 A 276 263 0.06      
39 A 209 199 1.06      
40 A 132 125 0.01      
41 A 125 119 0.06      
42 A 46 43 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 32134.9 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 30586.0 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 mPW1PW91/6-31+G**
ABC
0.24736 0.11474 0.08491

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.606 1.477 0.064
H2 0.270 2.005 -0.322
H3 -1.489 1.880 -0.441
H4 -0.697 1.755 1.130
C5 2.057 -0.039 -0.174
H6 2.201 0.925 0.321
H7 2.919 -0.664 0.075
H8 2.068 0.135 -1.254
C9 0.758 -0.715 0.261
H10 0.724 -1.730 -0.155
H11 0.788 -0.857 1.358
C12 -0.507 -0.002 -0.112
C13 -1.773 -0.793 -0.109
H14 -1.628 -1.794 -0.526
H15 -2.167 -0.931 0.914
H16 -2.563 -0.296 -0.681

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.09361.09401.10443.07392.87274.12453.27022.58973.47923.01041.49302.55813.47792.99252.7441
H21.09361.76801.76172.71862.30373.78092.75682.82433.76633.35812.16233.47104.25214.01053.6678
H31.09401.76801.76344.04083.88725.11534.04493.50364.24393.98832.14792.70773.67753.19262.4381
H41.10441.76171.76343.53583.12104.47643.99422.99583.97693.01302.16003.03044.02583.06953.3120
C53.07392.71864.04083.53581.09321.09341.09411.52812.15392.15112.56493.90434.09744.45184.6553
H62.87272.30373.88723.12101.09321.76131.76792.18603.07572.49952.89484.35104.77264.78255.0195
H74.12453.78095.11534.47641.09341.76131.76852.16952.45082.49493.49394.69724.72365.16085.5460
H83.27022.75684.04493.99421.09411.76791.76852.17572.54813.07322.82004.11424.23244.87514.6865
C92.58972.82433.50362.99581.52812.18602.16952.17571.09701.10671.49902.55892.73423.00413.4773
H103.47923.76634.24393.97692.15393.07572.45082.54811.09701.74772.12202.66762.38213.18343.6248
H113.01043.35813.98833.01302.15112.49952.49493.07321.10671.74772.13692.95173.20382.98833.9623
C121.49302.16232.14792.16002.56492.89483.49392.82001.49902.12202.13691.49302.15442.16112.1539
C132.55813.47102.70773.03043.90434.35104.69724.11422.55892.66762.95171.49301.09471.10421.0947
H143.47794.25213.67754.02584.09744.77264.72364.23242.73422.38213.20382.15441.09471.76291.7729
H152.99254.01053.19263.06954.45184.78255.16084.87513.00413.18342.98832.16111.10421.76291.7618
H162.74413.66782.43813.31204.65535.01955.54604.68653.47733.62483.96232.15391.09471.77291.7618

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 119.894 C1 C12 C13 117.896
H2 C1 H3 107.837 H2 C1 H4 106.544
H2 C1 C12 112.512 H3 C1 H4 106.661
H3 C1 C12 111.320 H4 C1 C12 111.648
C5 C9 H10 109.169 C5 C9 H11 108.394
C5 C9 C12 115.839 H6 C5 H7 107.314
H6 C5 H8 107.847 H6 C5 C9 111.938
H7 C5 H8 107.896 H7 C5 C9 110.608
H8 C5 C9 111.060 C9 C12 C13 117.579
H10 C9 H11 104.951 H10 C9 C12 108.669
H11 C9 C12 109.268 C12 C13 H14 111.808
C12 C13 H15 111.750 C12 C13 H16 111.766
H14 C13 H15 106.582 H14 C13 H16 108.144
H15 C13 H16 106.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.791      
2 H 0.170      
3 H 0.166      
4 H 0.171      
5 C -0.649      
6 H 0.164      
7 H 0.166      
8 H 0.174      
9 C -0.209      
10 H 0.159      
11 H 0.166      
12 C 0.414      
13 C -0.602      
14 H 0.166      
15 H 0.169      
16 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.019 -0.018 0.274 0.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.279 -0.250 0.105
y -0.250 -34.104 0.095
z 0.105 0.095 -34.989
Traceless
 xyz
x 0.268 -0.250 0.105
y -0.250 0.530 0.095
z 0.105 0.095 -0.798
Polar
3z2-r2-1.595
x2-y2-0.175
xy-0.250
xz0.105
yz0.095


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> 155.696
(<r2>)1/2 12.478