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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-269.951523
Energy at 298.15K-269.958505
HF Energy-269.137629
Nuclear repulsion energy262.074193
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 MP2/6-31G*
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 3266 3080 14.08      
2 A1 3247 3062 1.44      
3 A1 3234 3050 12.75      
4 A1 3230 3046 0.18      
5 A1 1732 1633 1.33      
6 A1 1570 1481 10.62      
7 A1 1540 1452 1.54      
8 A1 1301 1227 4.55      
9 A1 1223 1153 1.55      
10 A1 1099 1036 1.44      
11 A1 1002 945 0.01      
12 A1 868 818 0.74      
13 A1 550 519 0.62      
14 A2 1018 960 0.00      
15 A2 910 858 0.00      
16 A2 498 469 0.00      
17 A2 414 390 0.00      
18 B1 1002 945 1.21      
19 B1 944 890 1.97      
20 B1 786 741 90.25      
21 B1 659 621 37.65      
22 B1 602 568 1.50      
23 B1 497 468 12.05      
24 B1 218 205 1.40      
25 B2 3339 3149 5.23      
26 B2 3253 3068 29.30      
27 B2 3234 3050 1.47      
28 B2 1714 1616 0.92      
29 B2 1562 1473 10.76      
30 B2 1395 1316 0.50      
31 B2 1304 1230 0.23      
32 B2 1191 1123 0.58      
33 B2 1184 1116 4.53      
34 B2 1014 957 1.52      
35 B2 653 615 0.00      
36 B2 364 343 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 25806.6 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 24335.6 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 MP2/6-31G*
ABC
0.18835 0.09167 0.06166

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.976
C2 0.000 1.205 0.245
C3 0.000 1.197 -1.117
C4 0.000 0.000 -1.814
C5 0.000 -1.197 -1.117
C6 0.000 -1.205 0.245
C7 0.000 0.000 2.378
H8 0.000 2.147 0.786
H9 0.000 2.138 -1.660
H10 0.000 0.000 -2.900
H11 0.000 -2.138 -1.660
H12 0.000 -2.147 0.786
H13 0.000 0.926 2.939
H14 0.000 -0.926 2.939

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.40932.41172.79022.41171.40931.40202.15563.39423.87563.39422.15562.17082.1708
C21.40931.36232.38552.76142.40952.45001.08702.12133.36723.84753.39552.70883.4354
C32.41171.36231.38522.39452.76143.69492.12761.08612.14693.37923.84844.06584.5790
C42.79022.38551.38521.38522.38554.19233.37242.14371.08542.14373.37244.84294.8429
C52.41172.76142.39451.38521.36233.69493.84843.37922.14691.08612.12764.57904.0658
C61.40932.40952.76142.38551.36232.45003.39553.84753.36722.12131.08703.43542.7088
C71.40202.45003.69494.19233.69492.45002.67304.56935.27764.56932.67301.08321.0832
H82.15561.08702.12763.37243.84843.39552.67302.44634.26574.93454.29452.47513.7528
H93.39422.12131.08612.14373.37923.84754.56932.44632.47144.27634.93454.75635.5268
H103.87563.36722.14691.08542.14693.36725.27764.26572.47142.47144.26575.91195.9119
H113.39423.84753.37922.14371.08612.12134.56934.93454.27632.47142.44635.52684.7563
H122.15563.39553.84843.37242.12761.08702.67304.29454.93454.26572.44633.75282.4751
H132.17082.70884.06584.84294.57903.43541.08322.47514.75635.91195.52683.75281.8529
H142.17083.43544.57904.84294.06582.70881.08323.75285.52685.91194.75632.47511.8529

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 120.943 C1 C2 H8 118.867
C1 C6 C5 120.943 C1 C6 H12 118.867
C1 C7 H13 121.206 C1 C7 H14 121.206
C2 C1 C6 117.485 C2 C1 C7 121.257
C2 C3 C4 120.509 C2 C3 H9 119.655
C3 C2 H8 120.191 C3 C4 C5 119.611
C3 C4 H10 120.195 C4 C3 H9 119.835
C4 C5 C6 120.509 C4 C5 H11 119.835
C5 C1 C7 150.236 C5 C4 H10 120.195
C5 C6 H12 120.191 C6 C5 H11 119.655
H13 C7 H14 117.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability