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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-268.199919
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 3092 12.32      
2 A1 3214 3069 1.11      
3 A1 3196 3052 6.85      
4 A1 3188 3044 6.50      
5 A1 1649 1575 2.01      
6 A1 1566 1495 1.45      
7 A1 1548 1478 10.56      
8 A1 1304 1245 1.83      
9 A1 1225 1169 1.14      
10 A1 1078 1030 1.34      
11 A1 1005 960 0.01      
12 A1 853 815 0.42      
13 A1 567 541 0.45      
14 A2 1033 986 0.00      
15 A2 896 856 0.00      
16 A2 499 477 0.00      
17 A2 420 401 0.00      
18 B1 1021 975 1.06      
19 B1 942 900 1.77      
20 B1 781 746 102.93      
21 B1 721 688 5.97      
22 B1 666 636 39.09      
23 B1 500 477 17.34      
24 B1 216 206 1.71      
25 B2 3290 3142 6.52      
26 B2 3221 3076 24.94      
27 B2 3197 3053 2.14      
28 B2 1630 1557 2.71      
29 B2 1535 1466 8.98      
30 B2 1427 1362 1.10      
31 B2 1290 1232 0.07      
32 B2 1183 1130 3.38      
33 B2 1170 1117 0.02      
34 B2 1011 965 0.83      
35 B2 674 644 0.00      
36 B2 377 360 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 25665.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 24505.8 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