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All results from a given calculation for C6H5CH2 (benzyl radical)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at G2
 hartrees
Energy at 0K-270.365122
Energy at 298.15K-270.358057
HF Energy-269.140392
Nuclear repulsion energy259.705039
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/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 A1 3383 3188 22.58      
2 A1 3363 3169 17.71      
3 A1 3349 3156 7.19      
4 A1 3330 3137 11.90      
5 A1 1656 1560 0.33      
6 A1 1634 1540 1.97      
7 A1 1611 1518 3.31      
8 A1 1347 1269 0.72      
9 A1 1249 1177 0.06      
10 A1 1076 1013 0.47      
11 A1 1035 975 0.00      
12 A1 851 802 0.01      
13 A1 555 522 0.23      
14 A2 993 936 0.00      
15 A2 849 800 0.00      
16 A2 542 511 0.00      
17 A2 395 372 0.00      
18 B1 1013 955 0.00      
19 B1 914 861 5.89      
20 B1 781 735 79.56      
21 B1 724 682 3.60      
22 B1 683 644 36.11      
23 B1 488 460 10.09      
24 B1 206 194 0.99      
25 B2 3423 3225 16.34      
26 B2 3371 3176 59.14      
27 B2 3352 3158 1.21      
28 B2 1650 1555 1.65      
29 B2 1565 1475 3.23      
30 B2 1456 1372 0.60      
31 B2 1416 1335 0.06      
32 B2 1244 1172 0.01      
33 B2 1165 1098 0.59      
34 B2 1036 976 0.73      
35 B2 652 615 0.01      
36 B2 383 361 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 26369.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 24845.1 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
0.18875 0.09185 0.06179

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.975
C2 0.000 1.203 0.246
C3 0.000 1.197 -1.119
C4 0.000 0.000 -1.817
C5 0.000 -1.197 -1.119
C6 0.000 -1.203 0.246
C7 0.000 0.000 2.384
H8 0.000 2.145 0.788
H9 0.000 2.138 -1.662
H10 0.000 0.000 -2.903
H11 0.000 -2.138 -1.662
H12 0.000 -2.145 0.788
H13 0.000 0.926 2.945
H14 0.000 -0.926 2.945

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.40692.41222.79262.41221.40691.40852.15303.39503.87803.39502.15302.17652.1765
C21.40691.36492.38812.76062.40592.45331.08722.12453.37043.84713.39162.71333.4379
C32.41221.36491.38542.39332.76063.70182.13051.08652.14783.37843.84784.07304.5851
C42.79262.38811.38541.38542.38814.20113.37512.14351.08552.14353.37514.85144.8514
C52.41222.76062.39331.38541.36493.70183.84783.37842.14781.08652.13054.58514.0730
C61.40692.40592.76062.38811.36492.45333.39163.84713.37042.12451.08723.43792.7133
C71.40852.45333.70184.20113.70182.45332.67304.57595.28664.57592.67301.08291.0829
H82.15301.08722.13053.37513.84783.39162.67302.45074.26934.93434.28982.47673.7525
H93.39502.12451.08652.14353.37843.84714.57592.45072.47184.27574.93434.76355.5328
H103.87803.37042.14781.08552.14783.37045.28664.26932.47182.47184.26935.92055.9205
H113.39503.84713.37842.14351.08652.12454.57594.93434.27572.47182.45075.53284.7635
H122.15303.39163.84783.37512.13051.08722.67304.28984.93434.26932.45073.75252.4767
H132.17652.71334.07304.85144.58513.43791.08292.47674.76355.92055.53283.75251.8526
H142.17653.43794.58514.85144.07302.71331.08293.75255.53285.92054.76352.47671.8526

picture of benzyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 121.028 C1 C2 H8 118.977
C1 C6 C5 121.028 C1 C6 H12 118.977
C1 C7 H13 121.272 C1 C7 H14 121.272
C2 C1 C6 117.437 C2 C1 C7 121.282
C2 C3 C4 120.415 C2 C3 H9 119.757
C3 C2 H8 119.995 C3 C4 C5 119.678
C3 C4 H10 120.161 C4 C3 H9 119.828
C4 C5 C6 120.415 C4 C5 H11 119.828
C5 C1 C7 150.333 C5 C4 H10 120.161
C5 C6 H12 119.995 C6 C5 H11 119.757
H13 C7 H14 117.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability