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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31G*
 hartrees
Energy at 0K-157.574271
Energy at 298.15K 
HF Energy-157.403848
Nuclear repulsion energy122.016616
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 B2PLYP=FULLultrafine/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 3201 3037 30.85      
2 A 3158 2996 32.74      
3 A 3151 2990 36.61      
4 A 3144 2983 23.76      
5 A 3088 2930 29.55      
6 A 3080 2922 28.96      
7 A 3057 2900 24.97      
8 A 3004 2850 40.03      
9 A 2976 2823 37.22      
10 A 1556 1476 3.07      
11 A 1549 1470 5.53      
12 A 1540 1461 4.06      
13 A 1528 1449 5.60      
14 A 1525 1447 0.63      
15 A 1463 1388 2.39      
16 A 1458 1383 1.27      
17 A 1447 1372 0.31      
18 A 1349 1280 9.02      
19 A 1304 1237 0.05      
20 A 1211 1149 0.43      
21 A 1160 1100 0.16      
22 A 1104 1048 0.76      
23 A 1052 998 0.16      
24 A 1010 958 2.59      
25 A 1001 950 2.68      
26 A 867 822 0.23      
27 A 788 747 1.36      
28 A 435 412 1.22      
29 A 423 402 18.33      
30 A 266 253 1.21      
31 A 244 232 0.04      
32 A 125 118 0.04      
33 A 67 64 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 26165.1 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 24822.9 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 B2PLYP=FULLultrafine/6-31G*
ABC
0.88095 0.12138 0.11428

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.982 -0.044 -0.075
H2 2.064 -0.827 -0.838
H3 2.671 0.762 -0.341
H4 2.352 -0.487 0.864
C5 0.579 0.445 0.051
H6 0.414 1.463 0.394
C7 -0.572 -0.506 0.105
H8 -0.576 -1.042 1.071
H9 -0.433 -1.290 -0.653
C10 -1.931 0.169 -0.092
H11 -2.103 0.931 0.675
H12 -1.985 0.661 -1.068
H13 -2.748 -0.556 -0.032

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.09631.09351.10261.49152.22532.60122.97502.77773.91914.26614.14924.7574
H21.09631.77231.76002.14863.08032.81803.26522.54644.18504.76924.31994.8867
H31.09351.77231.76442.15242.47543.51043.97373.73394.64724.88394.71355.5854
H41.10261.76001.76442.16272.78983.02132.98773.27174.43804.67944.88475.1788
C51.49152.14862.15242.16271.08701.49362.14122.12792.52912.79572.80493.4746
H62.22533.08032.47542.78981.08702.22102.77743.06452.72222.58782.92103.7753
C72.60122.81803.51043.02131.49362.22101.10481.09881.53072.17572.17532.1808
H82.97503.26523.97372.98772.14122.77741.10481.74722.15782.52593.07502.4837
H92.77772.54643.73393.27172.12793.06451.09881.74722.16523.07932.52682.5066
C103.91914.18504.64724.43802.52912.72221.53072.15782.16521.09431.09341.0934
H114.26614.76924.88394.67942.79572.58782.17572.52593.07931.09431.76691.7676
H124.14924.31994.71354.88472.80492.92102.17533.07502.52681.09341.76691.7704
H134.75744.88675.58545.17883.47463.77532.18082.48372.50661.09341.76761.7704

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 118.472 C1 C5 C7 121.242
H2 C1 H3 108.065 H2 C1 H4 106.335
H2 C1 C5 111.336 H3 C1 H4 106.912
H3 C1 C5 111.816 H4 C1 C5 112.083
C5 C7 H8 110.085 C5 C7 H9 109.387
C5 C7 C10 113.486 H6 C5 C7 117.926
C7 C10 H11 110.864 C7 C10 H12 110.878
C7 C10 H13 111.323 H8 C7 H9 104.913
H8 C7 C10 108.847 H9 C7 C10 109.770
H11 C10 H12 107.735 H11 C10 H13 107.792
H12 C10 H13 108.103
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability