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

using model chemistry: QCISD/6-31G**

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/6-31G**
 hartrees
Energy at 0K-270.090905
Energy at 298.15K-270.097678
HF Energy-269.152560
Nuclear repulsion energy259.869504
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/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 3272 3081 17.09      
2 A1 3253 3062 6.11      
3 A1 3238 3048 7.89      
4 A1 3224 3035 7.48      
5 A1 1647 1551 1.26      
6 A1 1551 1460 2.14      
7 A1 1538 1448 2.73      
8 A1 1310 1233 2.16      
9 A1 1209 1138 0.00      
10 A1 1058 996 0.80      
11 A1 996 938 0.08      
12 A1 842 793 0.22      
13 A1 535 504 0.26      
14 A2 942 887 0.00      
15 A2 832 784 0.00      
16 A2 517 486 0.00      
17 A2 383 360 0.00      
18 B1 930 875 1.12      
19 B1 869 818 1.28      
20 B1 727 685 79.20      
21 B1 684 644 25.01      
22 B1 559 526 1.13      
23 B1 458 431 7.37      
24 B1 198 186 0.87      
25 B2 3326 3132 10.61      
26 B2 3259 3068 41.76      
27 B2 3240 3050 1.59      
28 B2 1634 1538 0.72      
29 B2 1515 1426 5.36      
30 B2 1381 1300 0.63      
31 B2 1323 1246 0.33      
32 B2 1186 1116 0.07      
33 B2 1145 1078 1.48      
34 B2 997 939 1.34      
35 B2 631 594 0.02      
36 B2 360 339 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 25384.5 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 23897.0 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/6-31G**
ABC
0.18437 0.09026 0.06059

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.993
C2 0.000 1.220 0.252
C3 0.000 1.213 -1.132
C4 0.000 0.000 -1.838
C5 0.000 -1.213 -1.132
C6 0.000 -1.220 0.252
C7 0.000 0.000 2.398
H8 0.000 2.159 0.793
H9 0.000 2.150 -1.674
H10 0.000 0.000 -2.920
H11 0.000 -2.150 -1.674
H12 0.000 -2.159 0.793
H13 0.000 0.925 2.958
H14 0.000 -0.925 2.958

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.42692.44642.83052.44641.42691.40532.16793.42553.91263.42552.16792.17222.1722
C21.42691.38442.42002.79882.43952.46821.08352.13923.39863.88153.42152.72213.4526
C32.44641.38441.40312.42532.79883.73252.14491.08282.16033.40613.88224.10054.6151
C42.83052.42001.40311.40312.42004.23583.40312.15631.08212.15633.40314.88444.8844
C52.44642.79882.42531.40311.38443.73253.88223.40612.16031.08282.14494.61514.1005
C61.42692.43952.79882.42001.38442.46823.42153.88153.39862.13921.08353.45262.7221
C71.40532.46823.73254.23583.73252.46822.69004.60475.31794.60472.69001.08111.0811
H82.16791.08352.14493.40313.88223.42152.69002.46704.29484.96504.31742.49243.7676
H93.42552.13921.08282.15633.40613.88154.60472.46702.48504.30014.96504.79175.5598
H103.91263.39862.16031.08212.16033.39865.31794.29482.48502.48504.29485.95055.9505
H113.42553.88153.40612.15631.08282.13924.60474.96504.30012.48502.46705.55984.7917
H122.16793.42153.88223.40312.14491.08352.69004.31744.96504.29482.46703.76762.4924
H132.17222.72214.10054.88444.61513.45261.08112.49244.79175.95055.55983.76761.8491
H142.17223.45264.61514.88444.10052.72211.08113.76765.55985.95054.79172.49241.8491

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 120.963 C1 C2 H8 118.807
C1 C6 C5 120.963 C1 C6 H12 118.807
C1 C7 H13 121.219 C1 C7 H14 121.219
C2 C1 C6 117.486 C2 C1 C7 121.257
C2 C3 C4 120.493 C2 C3 H9 119.737
C3 C2 H8 120.230 C3 C4 C5 119.603
C3 C4 H10 120.198 C4 C3 H9 119.770
C4 C5 C6 120.493 C4 C5 H11 119.770
C5 C1 C7 150.285 C5 C4 H10 120.198
C5 C6 H12 120.230 C6 C5 H11 119.737
H13 C7 H14 117.563
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability