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All results from a given calculation for C7H7 (cycloheptatrienyl radical)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K0.088592
HF Energy0.088592
Nuclear repulsion energy146.694862
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 PM3
Rotational Constants (cm-1) from geometry optimized at PM3
ABC
0.12568 0.12533 0.06275

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.608
C2 0.000 1.262 0.995
C3 0.000 -1.262 0.995
C4 0.000 1.571 -0.339
C5 0.000 -1.571 -0.339
C6 0.000 0.672 -1.459
C7 0.000 -0.672 -1.459
H8 0.000 0.000 2.707
H9 0.000 2.115 1.689
H10 0.000 -2.115 1.689
H11 0.000 2.636 -0.606
H12 0.000 -2.636 -0.606
H13 0.000 1.176 -2.437
H14 0.000 -1.176 -2.437

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.40361.40362.50242.50243.14073.14071.09822.11692.11693.44283.44284.21244.2124
C21.40362.52461.36923.13162.52413.12472.12711.10003.44832.10924.21433.43234.2091
C31.40362.52463.13161.36923.12472.52412.12713.44831.10004.21432.10924.20913.4323
C42.50241.36923.13163.14201.43632.50713.42732.10004.20751.09824.21592.13423.4558
C52.50243.13161.36923.14202.50711.43633.42734.20752.10004.21591.09823.45582.1342
C63.14072.52413.12471.43632.50711.34394.22003.46354.20502.14213.41691.09932.0900
C73.14073.12472.52412.50711.43631.34394.22004.20503.46353.41692.14212.09001.0993
H81.09822.12712.12713.42733.42734.22004.22002.34752.34754.23344.23345.27595.2759
H92.11691.10003.44832.10004.20753.46354.20502.34754.23082.35295.27684.23125.2774
H102.11693.44831.10004.20752.10004.20503.46352.34754.23085.27682.35295.27744.2312
H113.44282.10924.21431.09824.21592.14213.41694.23342.35295.27685.27302.34244.2291
H123.44284.21432.10924.21591.09823.41692.14214.23345.27682.35295.27304.22912.3424
H134.21243.43234.20912.13423.45581.09932.09005.27594.23125.27742.34244.22912.3513
H144.21244.20913.43233.45582.13422.09001.09935.27595.27744.23124.22912.34242.3513

picture of cycloheptatrienyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 25.935 C1 C2 H9 114.925
C1 C7 C6 77.646 C1 C7 H14 165.084
C2 C1 C7 76.419 C2 C1 H8 115.935
C2 C3 C4 25.211 C2 C3 H10 140.859
C3 C2 H9 140.859 C3 C4 C5 25.211
C3 C4 H11 168.818 C4 C3 H10 166.070
C4 C5 C6 26.538 C4 C5 H12 165.972
C5 C4 H11 165.972 C5 C6 C7 26.538
C5 C6 H13 143.808 C6 C5 H12 139.434
C6 C7 H14 117.270 C7 C1 H8 167.646
C7 C6 H13 117.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K0.088532
HF Energy0.088532
Nuclear repulsion energy146.688541
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 PM3
Rotational Constants (cm-1) from geometry optimized at PM3
ABC
0.12564 0.12533 0.06274

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.607 0.000
C2 -1.227 -1.038 0.000
C3 1.274 -0.980 0.000
C4 -1.565 0.365 0.000
C5 1.562 0.376 0.000
C6 -0.732 1.430 0.000
C7 0.688 1.453 0.000
H8 0.035 -2.706 0.000
H9 -2.097 -1.710 0.000
H10 2.134 -1.664 0.000
H11 -2.645 0.568 0.000
H12 2.632 0.634 0.000
H13 -1.200 2.426 0.000
H14 1.142 2.453 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.35271.42012.51802.52473.12443.13631.09982.09912.13513.42463.45654.20744.2174
C21.35272.50241.44363.12762.51773.14232.09201.09853.41932.14264.20563.46394.2192
C31.42012.50243.14261.38713.13692.50312.12453.44911.09824.21452.10924.21033.4358
C42.51801.44363.14263.12771.35232.50233.46352.14194.21951.09864.20562.09253.4191
C52.52473.12761.38713.12772.52501.38673.44004.21182.11874.21171.09993.43962.1183
C63.12442.51773.13691.35232.52501.42064.20723.42374.21792.09813.45681.09972.1354
C73.13633.14232.50312.50231.38671.42064.21014.21393.43583.44862.10882.12421.0982
H81.09982.09202.12453.46353.44004.20724.21012.35332.34374.23164.23075.27855.2764
H92.09911.09853.44912.14194.21183.42374.21392.35334.23122.34315.27724.23145.2743
H102.13513.41931.09824.21952.11874.21793.43582.34374.23125.27492.35105.27654.2342
H113.42462.14264.21451.09864.21172.09813.44864.23162.34315.27495.27702.35324.2305
H123.45654.20562.10924.20561.09993.45682.10884.23075.27722.35105.27704.22992.3504
H134.20743.46394.21032.09253.43961.09972.12425.27854.23145.27652.35324.22992.3429
H144.21744.21923.43583.41912.11832.13541.09825.27645.27434.23424.23052.35042.3429

picture of cycloheptatrienyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 26.187 C1 C2 H9 117.447
C1 C7 C6 76.417 C1 C7 H14 168.236
C2 C1 C7 77.807 C2 C1 H8 116.705
C2 C3 C4 26.675 C2 C3 H10 140.214
C3 C2 H9 143.633 C3 C4 C5 25.559
C3 C4 H11 165.294 C4 C3 H10 166.889
C4 C5 C6 24.876 C4 C5 H12 166.653
C5 C4 H11 169.146 C5 C6 C7 25.581
C5 C6 H13 139.853 C6 C5 H12 141.776
C6 C7 H14 115.348 C7 C1 H8 165.488
C7 C6 H13 114.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability