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

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-268.138737
Energy at 298.15K-268.145879
HF Energy-267.640686
Nuclear repulsion energy260.131889
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 CID/3-21G
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 3292 3067 12.06      
2 A1 3267 3044 4.55      
3 A1 3252 3030 5.43      
4 A1 3233 3012 7.92      
5 A1 1632 1520 2.45      
6 A1 1587 1479 0.01      
7 A1 1570 1463 10.16      
8 A1 1315 1225 1.72      
9 A1 1249 1164 0.17      
10 A1 1073 999 1.22      
11 A1 1026 956 0.03      
12 A1 850 792 0.20      
13 A1 569 530 0.31      
14 A2 1020 950 0.00      
15 A2 874 815 0.00      
16 A2 518 483 0.00      
17 A2 412 383 0.00      
18 B1 1014 944 0.66      
19 B1 930 866 2.77      
20 B1 782 729 103.42      
21 B1 720 670 0.52      
22 B1 703 655 45.34      
23 B1 493 459 16.44      
24 B1 210 196 1.52      
25 B2 3327 3099 8.55      
26 B2 3275 3051 28.72      
27 B2 3253 3030 1.72      
28 B2 1622 1511 3.61      
29 B2 1541 1436 6.10      
30 B2 1443 1344 0.98      
31 B2 1315 1225 0.03      
32 B2 1215 1132 0.10      
33 B2 1175 1095 2.17      
34 B2 1021 951 0.53      
35 B2 673 627 0.00      
36 B2 385 358 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 25916.9 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 24144.2 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 CID/3-21G
ABC
0.18488 0.09035 0.06069

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.991
C2 0.000 1.219 0.250
C3 0.000 1.211 -1.131
C4 0.000 0.000 -1.835
C5 0.000 -1.211 -1.131
C6 0.000 -1.219 0.250
C7 0.000 0.000 2.399
H8 0.000 2.157 0.790
H9 0.000 2.146 -1.673
H10 0.000 0.000 -2.916
H11 0.000 -2.146 -1.673
H12 0.000 -2.157 0.790
H13 0.000 0.923 2.961
H14 0.000 -0.923 2.961

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.42582.44252.82582.44251.42581.40852.16603.42043.90633.42042.16602.17582.1758
C21.42581.38112.41532.79432.43712.47041.08212.13513.39233.87533.41802.72653.4547
C32.44251.38111.40062.42112.79433.73182.14091.08112.15673.39993.87644.10164.6146
C42.82582.41531.40061.40062.41534.23443.39722.15201.08052.15203.39724.88404.8840
C52.44252.79432.42111.40061.38113.73183.87643.39992.15671.08112.14094.61464.1016
C61.42582.43712.79432.41531.38112.47043.41803.87533.39232.13511.08213.45472.7265
C71.40852.47043.73184.23443.73182.47042.69104.60295.31494.60292.69101.08081.0808
H82.16601.08212.14093.39723.87643.41802.69102.46274.28734.95744.31322.49683.7683
H93.42042.13511.08112.15203.39993.87534.60292.46272.47984.29174.95744.79225.5580
H103.90633.39232.15671.08052.15673.39235.31494.28732.47982.47984.28735.94855.9485
H113.42043.87533.39992.15201.08112.13514.60294.95744.29172.47982.46275.55804.7922
H122.16603.41803.87643.39722.14091.08212.69104.31324.95744.28732.46273.76832.4968
H132.17582.72654.10164.88404.61463.45471.08082.49684.79225.94855.55803.76831.8469
H142.17583.45474.61464.88404.10162.72651.08083.76835.55805.94854.79222.49681.8469

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 120.952 C1 C2 H8 118.817
C1 C6 C5 120.952 C1 C6 H12 118.817
C1 C7 H13 121.305 C1 C7 H14 121.305
C2 C1 C6 117.435 C2 C1 C7 121.283
C2 C3 C4 120.524 C2 C3 H9 119.769
C3 C2 H8 120.231 C3 C4 C5 119.612
C3 C4 H10 120.194 C4 C3 H9 119.707
C4 C5 C6 120.524 C4 C5 H11 119.707
C5 C1 C7 150.289 C5 C4 H10 120.194
C5 C6 H12 120.231 C6 C5 H11 119.769
H13 C7 H14 117.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability