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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-268.192797
Energy at 298.15K-268.199900
HF Energy-267.639865
Nuclear repulsion energy260.327567
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=FULL/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 3239 3070 12.32      
2 A1 3214 3047 1.11      
3 A1 3196 3030 6.85      
4 A1 3188 3022 6.50      
5 A1 1649 1563 2.01      
6 A1 1566 1485 1.45      
7 A1 1548 1468 10.56      
8 A1 1304 1236 1.83      
9 A1 1225 1161 1.14      
10 A1 1078 1022 1.34      
11 A1 1005 953 0.01      
12 A1 853 809 0.42      
13 A1 567 537 0.45      
14 A2 1033 979 0.00      
15 A2 896 850 0.00      
16 A2 499 473 0.00      
17 A2 420 398 0.00      
18 B1 1021 968 1.06      
19 B1 942 893 1.77      
20 B1 781 740 102.93      
21 B1 721 683 5.97      
22 B1 666 631 39.09      
23 B1 500 474 17.34      
24 B1 216 205 1.71      
25 B2 3290 3119 6.52      
26 B2 3221 3054 24.94      
27 B2 3197 3031 2.14      
28 B2 1630 1545 2.71      
29 B2 1535 1456 8.98      
30 B2 1427 1352 1.10      
31 B2 1290 1223 0.07      
32 B2 1183 1121 3.38      
33 B2 1170 1109 0.02      
34 B2 1011 958 0.83      
35 B2 674 639 0.00      
36 B2 377 358 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 25665.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 24331.3 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=FULL/3-21G*
ABC
0.18555 0.09041 0.06079

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.986
C2 0.000 1.215 0.247
C3 0.000 1.208 -1.129
C4 0.000 0.000 -1.833
C5 0.000 -1.208 -1.129
C6 0.000 -1.215 0.247
C7 0.000 0.000 2.402
H8 0.000 2.157 0.790
H9 0.000 2.147 -1.673
H10 0.000 0.000 -2.918
H11 0.000 -2.147 -1.673
H12 0.000 -2.157 0.790
H13 0.000 0.928 2.964
H14 0.000 -0.928 2.964

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.42202.43502.81842.43501.42201.41672.16633.41793.90353.41792.16632.18532.1853
C21.42201.37612.40902.78642.43052.47421.08742.13493.39033.87243.41612.73223.4604
C32.43501.37611.39782.41522.78643.73202.14101.08602.15843.39873.87374.10264.6166
C42.81842.40901.39781.39782.40904.23513.39612.15311.08512.15313.39614.88594.8859
C52.43502.78642.41521.39781.37613.73203.87373.39872.15841.08602.14104.61664.1026
C61.42202.43052.78642.40901.37612.47423.41613.87243.39032.13491.08743.46042.7322
C71.41672.47423.73204.23513.73202.47422.69344.60695.32024.60692.69341.08461.0846
H82.16631.08742.14103.39613.87373.41612.69342.46354.28984.95974.31502.49803.7744
H93.41792.13491.08602.15313.39873.87244.60692.46352.48164.29434.95974.79545.5645
H103.90353.39032.15841.08512.15843.39035.32024.28982.48162.48164.28985.95485.9548
H113.41793.87243.39872.15311.08602.13494.60694.95974.29432.48162.46355.56454.7954
H122.16633.41613.87373.39612.14101.08742.69344.31504.95974.28982.46353.77442.4980
H132.18532.73224.10264.88594.61663.46041.08462.49804.79545.95485.56453.77441.8554
H142.18533.46044.61664.88594.10262.73221.08463.77445.56455.95484.79542.49801.8554

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 120.967 C1 C2 H8 118.773
C1 C6 C5 120.967 C1 C6 H12 118.773
C1 C7 H13 121.201 C1 C7 H14 121.201
C2 C1 C6 117.431 C2 C1 C7 121.285
C2 C3 C4 120.556 C2 C3 H9 119.786
C3 C2 H8 120.260 C3 C4 C5 119.524
C3 C4 H10 120.238 C4 C3 H9 119.658
C4 C5 C6 120.556 C4 C5 H11 119.658
C5 C1 C7 150.269 C5 C4 H10 120.238
C5 C6 H12 120.260 C6 C5 H11 119.786
H13 C7 H14 117.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability