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

using model chemistry: QCISD/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at QCISD/STO-3G
 hartrees
Energy at 0K-266.316943
Energy at 298.15K-266.323352
HF Energy-265.881595
Nuclear repulsion energy254.957191
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 QCISD/STO-3G
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 3442 3442 0.37      
2 A1 3427 3427 0.76      
3 A1 3415 3415 0.20      
4 A1 3361 3361 3.97      
5 A1 1652 1652 0.18      
6 A1 1604 1604 4.99      
7 A1 1575 1575 0.22      
8 A1 1330 1330 0.79      
9 A1 1220 1220 0.02      
10 A1 1069 1069 0.46      
11 A1 1005 1005 0.84      
12 A1 841 841 0.01      
13 A1 538 538 0.24      
14 A2 1026 1026 0.00      
15 A2 866 866 0.00      
16 A2 596 596 0.00      
17 A2 400 400 0.00      
18 B1 1030 1030 0.06      
19 B1 921 921 0.68      
20 B1 770 770 13.87      
21 B1 703 703 0.11      
22 B1 690 690 13.81      
23 B1 474 474 2.30      
24 B1 200 200 0.24      
25 B2 3515 3515 0.32      
26 B2 3434 3434 0.03      
27 B2 3419 3419 0.00      
28 B2 1661 1661 0.35      
29 B2 1552 1552 2.58      
30 B2 1421 1421 0.49      
31 B2 1267 1267 0.00      
32 B2 1170 1170 0.21      
33 B2 1095 1095 0.01      
34 B2 1012 1012 0.00      
35 B2 641 641 0.01      
36 B2 362 362 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26350.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 26350.0 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 QCISD/STO-3G
ABC
0.17663 0.08720 0.05838

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.017
C2 0.000 1.248 0.254
C3 0.000 1.237 -1.150
C4 0.000 0.000 -1.868
C5 0.000 -1.237 -1.150
C6 0.000 -1.248 0.254
C7 0.000 0.000 2.438
H8 0.000 2.208 0.806
H9 0.000 2.193 -1.709
H10 0.000 0.000 -2.976
H11 0.000 -2.193 -1.709
H12 0.000 -2.208 0.806
H13 0.000 0.945 3.011
H14 0.000 -0.945 3.011

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.46322.49602.88592.49601.46321.42062.21803.49933.99293.49932.21802.20622.2062
C21.46321.40402.46182.85432.49612.51591.10782.17863.46183.96173.50002.77393.5233
C32.49601.40401.43052.47432.85433.79572.18441.10752.20493.47573.96214.17144.6988
C42.88592.46181.43051.43052.46184.30653.46852.19901.10702.19903.46854.97014.9701
C52.49602.85432.47431.43051.40403.79573.96213.47572.20491.10752.18444.69884.1714
C61.46322.49612.85432.46181.40402.51593.50003.96173.46182.17861.10783.52332.7739
C71.42062.51593.79574.30653.79572.51592.74544.69155.41354.69152.74541.10541.1054
H82.21801.10782.18443.46853.96213.50002.74542.51584.37935.06954.41592.54043.8474
H93.49932.17861.10752.19903.47573.96174.69152.51582.53254.38655.06954.88235.6684
H103.99293.46182.20491.10702.20493.46185.41354.37932.53252.53254.37936.06056.0605
H113.49933.96173.47572.19901.10752.17864.69155.06954.38652.53252.51585.66844.8823
H122.21803.50003.96213.46852.18441.10782.74544.41595.06954.37932.51583.84742.5404
H132.20622.77394.17144.97014.69883.52331.10542.54044.88236.06055.66843.84741.8907
H142.20623.52334.69884.97014.17142.77391.10543.84745.66846.06054.88232.54041.8907

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 121.024 C1 C2 H8 118.590
C1 C6 C5 121.024 C1 C6 H12 118.590
C1 C7 H13 121.214 C1 C7 H14 121.214
C2 C1 C6 117.063 C2 C1 C7 121.468
C2 C3 C4 120.577 C2 C3 H9 119.866
C3 C2 H8 120.385 C3 C4 C5 119.735
C3 C4 H10 120.133 C4 C3 H9 119.557
C4 C5 C6 120.577 C4 C5 H11 119.557
C5 C1 C7 150.286 C5 C4 H10 120.133
C5 C6 H12 120.385 C6 C5 H11 119.866
H13 C7 H14 117.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability