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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-196.364608
Energy at 298.15K-196.375593
HF Energy-195.706598
Nuclear repulsion energy182.358648
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 MP2=FULL/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 3205 3019 25.91      
2 A 3196 3011 18.95      
3 A 3192 3008 37.21      
4 A 3184 3000 18.67      
5 A 3145 2963 20.57      
6 A 3136 2954 23.05      
7 A 3114 2934 20.39      
8 A 3110 2930 20.43      
9 A 3040 2864 37.31      
10 A 3036 2861 23.87      
11 A 3011 2837 32.61      
12 A 1575 1484 1.57      
13 A 1567 1476 6.67      
14 A 1560 1470 3.07      
15 A 1554 1464 18.58      
16 A 1549 1460 1.83      
17 A 1541 1452 2.65      
18 A 1536 1448 0.49      
19 A 1476 1391 4.76      
20 A 1470 1385 2.50      
21 A 1461 1377 6.00      
22 A 1430 1347 0.18      
23 A 1359 1280 1.01      
24 A 1327 1250 4.92      
25 A 1294 1219 5.17      
26 A 1162 1095 0.90      
27 A 1112 1047 0.38      
28 A 1083 1021 4.74      
29 A 1031 972 0.99      
30 A 1021 962 1.62      
31 A 977 921 0.55      
32 A 973 917 0.24      
33 A 796 750 1.39      
34 A 767 723 1.54      
35 A 466 439 0.76      
36 A 391 369 0.04      
37 A 317 298 2.13      
38 A 294 277 0.00      
39 A 221 209 0.89      
40 A 154 145 0.01      
41 A 142 134 0.05      
42 A 68 64 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 33022.0 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 31113.3 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 MP2=FULL/6-31G*
ABC
0.24859 0.11528 0.08531

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.590 1.475 0.067
H2 0.276 2.003 -0.339
H3 -1.487 1.886 -0.407
H4 -0.647 1.729 1.139
C5 2.052 -0.041 -0.165
H6 2.191 0.913 0.347
H7 2.911 -0.673 0.076
H8 2.062 0.147 -1.242
C9 0.750 -0.724 0.253
H10 0.721 -1.735 -0.172
H11 0.762 -0.869 1.348
C12 -0.504 -0.002 -0.139
C13 -1.779 -0.781 -0.100
H14 -1.649 -1.784 -0.517
H15 -2.143 -0.907 0.933
H16 -2.574 -0.277 -0.659

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.09311.09391.10283.05562.85114.10813.24252.58233.47592.99421.49452.55523.47632.97252.7440
H21.09311.76841.76422.71372.30733.77862.72952.83053.76813.36622.16103.46844.25203.99263.6635
H31.09391.76841.76604.03673.87795.11104.03913.49984.24693.96542.14522.69953.67473.16592.4329
H41.10281.76421.76603.48163.05724.42293.93862.95903.94852.96302.15713.01914.01113.03823.3116
C53.05562.71374.03673.48161.09241.09341.09341.52782.15382.15372.55583.90174.10534.42204.6575
H62.85112.30733.87793.05721.09241.76321.76912.18263.07292.49382.88684.33884.77104.73715.0125
H74.10813.77865.11104.42291.09341.76321.76982.16862.44682.50493.48674.69444.73065.13195.5479
H83.24252.72954.03913.93861.09341.76911.76982.17092.54633.07102.79634.11274.24514.85024.6910
C92.58232.83053.49982.95901.52782.18262.16862.17091.09711.10521.49892.55422.73352.97813.4754
H103.47593.76814.24693.94852.15383.07292.44682.54631.09711.75042.12182.67652.39503.17963.6353
H112.99423.36623.96542.96302.15372.49382.50493.07101.10521.75042.13682.92603.18282.93533.9377
C121.49452.16102.14522.15712.55582.88683.48672.79631.49892.12182.13681.49442.15142.15802.1517
C132.55523.46842.69953.01913.90174.33884.69444.11272.55422.67652.92601.49441.09451.10251.0945
H143.47634.25203.67474.01114.10534.77104.73064.24512.73352.39503.18282.15141.09451.76551.7741
H152.97253.99263.16593.03824.42204.73715.13194.85022.97813.17962.93532.15801.10251.76551.7650
H162.74403.66352.43293.31164.65755.01255.54794.69103.47543.63533.93772.15171.09451.77411.7650

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 119.233 C1 C12 C13 117.495
H2 C1 H3 107.912 H2 C1 H4 106.910
H2 C1 C12 112.330 H3 C1 H4 107.015
H3 C1 C12 111.001 H4 C1 C12 111.414
C5 C9 H10 109.174 C5 C9 H11 108.701
C5 C9 C12 115.223 H6 C5 H7 107.540
H6 C5 H8 108.067 H6 C5 C9 111.735
H7 C5 H8 108.054 H7 C5 C9 110.560
H8 C5 C9 110.741 C9 C12 C13 117.142
H10 C9 H11 105.275 H10 C9 C12 108.649
H11 C9 C12 109.355 C12 C13 H14 111.470
C12 C13 H15 111.504 C12 C13 H16 111.491
H14 C13 H15 106.946 H14 C13 H16 108.283
H15 C13 H16 106.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability