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All results from a given calculation for CH3CHCH2CH3 (2-Butyl radical)

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-157.806870
Energy at 298.15K-157.815231
Nuclear repulsion energy121.698282
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 B3LYP/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 3168 3074 23.37      
2 A 3102 3010 31.53      
3 A 3097 3005 22.89      
4 A 3096 3004 38.07      
5 A 3029 2939 30.90      
6 A 3012 2923 33.59      
7 A 2980 2892 30.59      
8 A 2945 2858 51.08      
9 A 2926 2839 39.31      
10 A 1477 1433 3.86      
11 A 1471 1427 6.50      
12 A 1457 1414 6.41      
13 A 1443 1401 2.44      
14 A 1443 1400 4.08      
15 A 1410 1369 1.37      
16 A 1392 1351 3.48      
17 A 1378 1337 1.56      
18 A 1300 1261 5.91      
19 A 1254 1217 0.13      
20 A 1175 1140 0.22      
21 A 1131 1098 0.36      
22 A 1051 1020 0.82      
23 A 1033 1002 0.45      
24 A 981 952 2.47      
25 A 956 928 0.73      
26 A 849 824 0.27      
27 A 758 736 0.73      
28 A 433 420 0.23      
29 A 341 330 21.14      
30 A 257 249 1.58      
31 A 231 224 0.96      
32 A 93 90 0.98      
33 A 54 52 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 25360.0 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 24609.3 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 B3LYP/aug-cc-pVDZ
ABC
0.89002 0.12075 0.11326

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.989 -0.043 -0.038
H2 2.125 -0.793 -0.836
H3 2.700 0.775 -0.215
H4 2.294 -0.543 0.903
C5 0.581 0.446 0.020
H6 0.392 1.505 0.207
C7 -0.569 -0.507 0.053
H8 -0.529 -1.112 0.983
H9 -0.457 -1.246 -0.762
C10 -1.942 0.167 -0.046
H11 -2.094 0.873 0.783
H12 -2.037 0.729 -0.987
H13 -2.753 -0.573 -0.010

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.10391.09821.10881.49182.23802.60142.91972.82043.93654.26454.20744.7715
H21.10391.78251.76532.15733.06202.85153.23302.62254.25284.81684.43394.9522
H31.09821.78251.77592.15762.45773.52173.92703.78844.68474.89804.79965.6209
H41.10881.76531.77592.16622.88112.98652.88023.29134.39854.61244.89315.1286
C51.49182.15732.15762.16621.09201.49372.14132.13342.53892.81432.81873.4861
H62.23803.06202.45772.88111.09202.23472.88093.03752.70162.62882.81483.7754
C72.60142.85153.52172.98651.49372.23471.11011.10601.53262.18242.18212.1857
H82.91973.23303.92702.88022.14132.88091.11011.75142.16632.53613.08892.4947
H92.82042.62253.78843.29132.13343.03751.10601.75142.17113.09162.53862.5076
C103.93654.25284.68474.39852.53892.70161.53262.16632.17111.09981.09941.0987
H114.26454.81684.89804.61242.81432.62882.18242.53613.09161.09981.77671.7764
H124.20744.43394.79964.89312.81872.81482.18213.08892.53861.09941.77671.7780
H134.77154.95225.62095.12863.48613.77542.18572.49472.50761.09871.77641.7780

picture of 2-Butyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 119.223 C1 C5 C7 121.233
H2 C1 H3 108.084 H2 C1 H4 105.843
H2 C1 C5 111.551 H3 C1 H4 107.150
H3 C1 C5 111.926 H4 C1 C5 111.968
C5 C7 H8 109.775 C5 C7 H9 109.392
C5 C7 C10 114.058 H6 C5 C7 118.780
C7 C10 H11 110.940 C7 C10 H12 110.937
C7 C10 H13 111.262 H8 C7 H9 104.430
H8 C7 C10 109.067 H9 C7 C10 109.678
H11 C10 H12 107.779 H11 C10 H13 107.801
H12 C10 H13 107.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability