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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-43.304709
Energy at 298.15K-43.311729
HF Energy-42.483798
Nuclear repulsion energy131.819459
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/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3245 3092 17.34      
2 A' 3227 3075 1.75      
3 A' 3212 3060 8.23      
4 A' 3198 3047 9.83      
5 A' 1691 1611 1.07      
6 A' 1539 1467 9.89      
7 A' 1524 1452 4.04      
8 A' 1275 1215 3.71      
9 A' 1196 1139 1.15      
10 A' 1082 1031 0.03      
11 A' 1072 1021 3.92      
12 A' 985 939 0.05      
13 A' 959 913 5.87      
14 A' 852 811 1.85      
15 A' 811 773 104.13      
16 A' 720 686 21.44      
17 A' 598 570 50.00      
18 A' 540 514 1.03      
19 A' 502 478 21.15      
20 A' 217 207 2.02      
21 A" 3314 3157 6.98      
22 A" 3233 3081 36.36      
23 A" 3215 3063 2.10      
24 A" 1679 1600 0.70      
25 A" 1530 1458 8.57      
26 A" 1376 1311 0.46      
27 A" 1273 1213 0.12      
28 A" 1164 1109 5.44      
29 A" 1142 1088 1.15      
30 A" 1035 986 3.94      
31 A" 1000 953 2.10      
32 A" 924 881 0.12      
33 A" 641 611 0.00      
34 A" 492 469 0.03      
35 A" 413 393 0.04      
36 A" 361 344 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 25617.0 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 24407.9 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/CEP-121G*
ABC
0.18595 0.09057 0.06091

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.027 0.981 0.000
C2 0.010 0.248 1.213
C3 0.010 -1.127 1.206
C4 0.047 -1.831 0.000
C5 0.010 -1.127 -1.206
C6 0.010 0.248 -1.213
C7 -0.053 2.401 0.000
H8 -0.016 0.791 2.156
H9 0.036 -1.669 2.149
H10 0.046 -2.918 0.000
H11 0.036 -1.669 -2.149
H12 -0.016 0.791 -2.156
H13 -0.069 2.960 0.929
H14 -0.069 2.960 -0.929

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.41732.42952.81322.42951.41731.42012.16443.41273.89973.41272.16442.18642.1864
C21.41731.37582.40762.78292.42542.47141.08832.13413.39083.87043.41212.72713.4563
C32.42951.37581.39722.41282.78293.72942.14031.08772.15943.39923.87104.09714.6121
C42.81322.40761.39721.39722.40764.23333.39502.15541.08672.15543.39504.88154.8815
C52.42952.78292.41281.39721.37583.72943.87103.39922.15941.08772.14034.61214.0971
C61.41732.42542.78292.40761.37582.47143.41213.87043.39082.13411.08833.45632.7271
C71.42012.47143.72944.23333.72942.47142.69124.60355.31984.60352.69121.08461.0846
H82.16441.08832.14033.39503.87103.41212.69122.46024.29014.95864.31192.49233.7719
H93.41272.13411.08772.15543.39923.87044.60352.46022.48584.29864.95864.78795.5601
H103.89973.39082.15941.08672.15943.39085.31984.29012.48582.48584.29015.95175.9517
H113.41273.87043.39922.15541.08772.13414.60354.95864.29862.48582.46025.56014.7879
H122.16443.41213.87103.39502.14031.08832.69124.31194.95864.29012.46023.77192.4923
H132.18642.72714.09714.88154.61213.45631.08462.49234.78795.95175.56013.77191.8590
H142.18643.45634.61214.88154.09712.72711.08463.77195.56015.95174.78792.49231.8590

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 120.865 C1 C2 H8 118.909
C1 C6 C5 120.865 C1 C6 H12 118.909
C1 C7 H13 121.018 C1 C7 H14 121.018
C2 C1 C6 117.658 C2 C1 C7 121.152
C2 C3 C4 120.510 C2 C3 H9 119.608
C3 C2 H8 120.142 C3 C4 C5 119.414
C3 C4 H10 120.248 C4 C3 H9 119.801
C4 C5 C6 120.510 C4 C5 H11 119.801
C5 C1 C7 150.226 C5 C4 H10 120.248
C5 C6 H12 120.142 C6 C5 H11 119.608
H13 C7 H14 117.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability