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

using model chemistry: HF/aug-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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-195.728780
Energy at 298.15K-195.739940
Nuclear repulsion energy181.649714
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 HF/aug-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 3246 2956 44.11      
2 A 3236 2947 88.82      
3 A 3229 2941 48.34      
4 A 3228 2939 29.56      
5 A 3202 2916 42.09      
6 A 3190 2905 36.80      
7 A 3180 2895 15.51      
8 A 3165 2882 36.00      
9 A 3102 2824 90.37      
10 A 3095 2818 30.90      
11 A 3079 2804 41.23      
12 A 1606 1463 0.75      
13 A 1596 1454 5.88      
14 A 1590 1447 16.95      
15 A 1589 1447 3.07      
16 A 1582 1441 1.94      
17 A 1575 1434 1.12      
18 A 1570 1429 0.67      
19 A 1523 1387 4.50      
20 A 1520 1384 1.06      
21 A 1508 1373 4.06      
22 A 1484 1351 0.02      
23 A 1399 1274 0.58      
24 A 1366 1244 4.76      
25 A 1325 1207 5.29      
26 A 1196 1089 2.57      
27 A 1138 1036 0.13      
28 A 1113 1014 3.31      
29 A 1062 967 0.34      
30 A 1051 957 1.13      
31 A 999 910 0.22      
32 A 997 907 0.39      
33 A 820 747 0.67      
34 A 779 709 1.67      
35 A 479 436 0.36      
36 A 401 365 0.11      
37 A 339 309 1.71      
38 A 293 267 0.01      
39 A 231 211 0.57      
40 A 157 143 0.03      
41 A 141 128 0.04      
42 A 62 56 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 33720.5 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 30705.9 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 HF/aug-cc-pVDZ
ABC
0.24627 0.11363 0.08429

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.632 1.481 0.068
H2 0.225 2.033 -0.317
H3 -1.526 1.874 -0.416
H4 -0.713 1.711 1.139
C5 2.072 -0.034 -0.170
H6 2.207 0.941 0.298
H7 2.925 -0.652 0.109
H8 2.098 0.105 -1.253
C9 0.766 -0.703 0.267
H10 0.747 -1.723 -0.123
H11 0.771 -0.803 1.362
C12 -0.503 -0.002 -0.158
C13 -1.771 -0.811 -0.101
H14 -1.626 -1.814 -0.505
H15 -2.122 -0.926 0.934
H16 -2.576 -0.332 -0.661

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.08921.09041.09903.10762.89914.14763.32912.60003.49232.97581.50562.56513.48862.96032.7564
H21.08921.76101.76132.77562.34593.83232.84592.84913.79673.34052.16763.48154.27303.97843.6818
H31.09041.76101.76224.07973.91435.14544.11843.51574.26473.94982.15282.71473.69043.16482.4556
H41.09901.76131.76223.53743.13514.45924.02462.96253.93892.92772.15953.00373.99562.99733.2999
C53.10762.77564.07973.53741.08991.09071.09141.53042.14702.15242.57493.92144.11714.42764.6825
H62.89912.34593.91433.13511.08991.75771.76502.18603.06672.49732.90614.36584.78824.75765.0418
H74.14763.83235.14544.45921.09071.75771.76442.16532.43822.49723.49974.70404.73685.12185.5637
H83.32912.84594.11844.02461.09141.76501.76442.17552.53823.06962.82384.13944.25514.86334.7307
C92.60002.84913.51572.96251.53042.18602.16532.17551.09191.10011.51052.56642.74802.97303.4880
H103.49233.79674.26473.93892.14703.06672.43822.53821.09191.74682.12652.67802.40473.15953.6414
H112.97583.34053.94982.92772.15242.49732.49723.06961.10011.74682.13842.93293.20152.92683.9385
C121.50562.16762.15282.15952.57492.90613.49972.82381.51052.12652.13841.50522.15922.16012.1581
C132.56513.48152.71473.00373.92144.36584.70404.13942.56642.67802.93291.50521.09081.09891.0909
H143.48864.27303.69043.99564.11714.78824.73684.25512.74802.40473.20152.15921.09081.76231.7669
H152.96033.97843.16482.99734.42764.75765.12184.86332.97303.15952.92682.16011.09891.76231.7616
H162.75643.68182.45563.29994.68255.04185.56374.73073.48803.64143.93852.15811.09091.76691.7616

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 119.088 C1 C12 C13 116.853
H2 C1 H3 107.790 H2 C1 H4 107.203
H2 C1 C12 112.315 H3 C1 H4 107.203
H3 C1 C12 111.040 H4 C1 C12 111.053
C5 C9 H10 108.766 C5 C9 H11 108.718
C5 C9 C12 115.723 H6 C5 H7 107.422
H6 C5 H8 108.029 H6 C5 C9 111.984
H7 C5 H8 107.917 H7 C5 C9 110.275
H8 C5 C9 111.050 C9 C12 C13 116.646
H10 C9 H11 105.664 H10 C9 C12 108.524
H11 C9 C12 108.979 C12 C13 H14 111.557
C12 C13 H15 111.137 C12 C13 H16 111.466
H14 C13 H15 107.183 H14 C13 H16 108.164
H15 C13 H16 107.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.540      
2 H -0.080      
3 H -0.091      
4 H 0.035      
5 C 0.455      
6 H -0.077      
7 H -0.114      
8 H -0.067      
9 C 0.305      
10 H -0.125      
11 H -0.037      
12 C -1.171      
13 C 0.556      
14 H -0.098      
15 H 0.045      
16 H -0.075      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.016 -0.028 0.251 0.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.904 -0.288 0.138
y -0.288 -34.588 0.102
z 0.138 0.102 -35.076
Traceless
 xyz
x -0.072 -0.288 0.138
y -0.288 0.402 0.102
z 0.138 0.102 -0.330
Polar
3z2-r2-0.661
x2-y2-0.316
xy-0.288
xz0.138
yz0.102


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> 156.780
(<r2>)1/2 12.521