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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-196.064137
Energy at 298.15K-196.074881
HF Energy-195.645895
Nuclear repulsion energy178.856071
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/LANL2DZ
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 3127 3012 49.54      
2 A 3120 3005 25.80      
3 A 3117 3002 90.07      
4 A 3110 2995 16.96      
5 A 3070 2957 39.12      
6 A 3062 2949 36.19      
7 A 3050 2937 25.02      
8 A 3021 2910 33.83      
9 A 2966 2857 46.69      
10 A 2962 2853 48.51      
11 A 2950 2841 44.77      
12 A 1553 1496 1.32      
13 A 1541 1485 10.87      
14 A 1536 1480 4.77      
15 A 1532 1476 14.44      
16 A 1526 1469 11.05      
17 A 1519 1463 4.97      
18 A 1512 1456 0.28      
19 A 1466 1412 5.69      
20 A 1455 1401 12.13      
21 A 1449 1396 7.98      
22 A 1410 1358 1.44      
23 A 1326 1277 4.53      
24 A 1307 1259 4.60      
25 A 1269 1222 5.68      
26 A 1149 1106 0.59      
27 A 1083 1043 3.44      
28 A 1063 1023 3.33      
29 A 1027 989 2.63      
30 A 1013 976 1.43      
31 A 974 938 0.10      
32 A 946 911 0.60      
33 A 800 771 2.34      
34 A 726 699 1.05      
35 A 454 437 0.81      
36 A 375 362 0.01      
37 A 300 289 4.20      
38 A 279 269 0.03      
39 A 216 208 1.66      
40 A 120 116 0.02      
41 A 106 102 0.14      
42 A 61 58 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 32323.1 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 31130.4 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/LANL2DZ
ABC
0.23841 0.11066 0.08182

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.582 1.512 0.071
H2 0.247 2.030 -0.443
H3 -1.532 1.917 -0.321
H4 -0.521 1.786 1.149
C5 2.090 -0.047 -0.174
H6 2.233 0.911 0.357
H7 2.960 -0.692 0.052
H8 2.080 0.154 -1.260
C9 0.764 -0.754 0.263
H10 0.730 -1.766 -0.187
H11 0.788 -0.904 1.369
C12 -0.516 -0.004 -0.129
C13 -1.832 -0.785 -0.104
H14 -1.688 -1.819 -0.467
H15 -2.251 -0.850 0.926
H16 -2.596 -0.297 -0.737

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.10491.10511.11363.10392.89224.17173.27152.64293.54053.06651.53092.62113.55113.01572.8253
H21.10491.78751.78432.79042.41533.87472.74722.91873.83553.49152.19573.51644.30854.05103.6862
H31.10511.78751.78954.12393.95565.20834.12793.57104.32474.02572.18212.72753.74253.11922.4914
H41.11361.78431.78953.45332.99534.41063.90232.98063.99542.99972.19903.14594.11923.16043.4929
C53.10392.79044.12393.45331.10441.10541.10521.56472.19212.19322.60743.99184.18324.54944.7270
H62.89222.41533.95562.99531.10441.78641.79192.22163.11772.53102.93744.42814.84764.85005.0962
H74.17173.87475.20834.41061.10541.78641.79202.20632.48652.54853.54794.79514.81015.28545.6255
H83.27152.74724.12793.90231.10521.79191.79202.20812.58083.11492.83634.18594.32624.95384.7269
C92.64292.91873.57102.98061.56472.22162.20632.20811.10851.11651.53492.62242.77153.08853.5360
H103.54053.83554.32473.99542.19213.11772.48652.58081.10851.78022.15882.74452.43423.31083.6774
H113.06653.49154.02572.99972.19322.53102.54853.11491.11651.78022.18113.00853.21573.07164.0325
C121.53092.19572.18212.19902.60742.93743.54792.83631.53492.15882.18111.53022.18652.19912.1867
C132.62113.51642.72753.14593.99184.42814.79514.18592.62242.74453.00851.53021.10561.11361.1059
H143.55114.30853.74254.11924.18324.84764.81014.32622.77152.43423.21572.18651.10561.78821.7932
H153.01574.05103.11923.16044.54944.85005.28544.95383.08853.31083.07162.19911.11361.78821.7863
H162.82533.68622.49143.49294.72705.09625.62554.72693.53603.67744.03252.18671.10591.79321.7863

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 119.098 C1 C12 C13 117.794
H2 C1 H3 107.967 H2 C1 H4 107.087
H2 C1 C12 111.807 H3 C1 H4 107.521
H3 C1 C12 110.715 H4 C1 C12 111.540
C5 C9 H10 108.982 C5 C9 H11 108.616
C5 C9 C12 114.530 H6 C5 H7 107.879
H6 C5 H8 108.377 H6 C5 C9 111.515
H7 C5 H8 108.314 H7 C5 C9 110.248
H8 C5 C9 110.406 C9 C12 C13 117.646
H10 C9 H11 106.278 H10 C9 C12 108.426
H11 C9 C12 109.690 C12 C13 H14 111.075
C12 C13 H15 111.599 C12 C13 H16 111.075
H14 C13 H15 107.372 H14 C13 H16 108.355
H15 C13 H16 107.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability