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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 2A2
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-268.155495
Energy at 298.15K 
HF Energy-267.595102
Nuclear repulsion energy258.434276
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 MP2/3-21G*
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 3220 3063 9.76      
2 A1 3195 3039 28.02      
3 A1 3165 3011 0.96      
4 A1 3160 3006 7.38      
5 A1 1779 1692 29.43      
6 A1 1577 1500 18.47      
7 A1 1538 1463 4.34      
8 A1 1386 1318 3.02      
9 A1 1220 1161 2.42      
10 A1 1020 970 5.80      
11 A1 955 909 1.02      
12 A1 842 801 0.37      
13 A1 476 453 0.33      
14 A2 1114 1060 0.00      
15 A2 935 889 0.00      
16 A2 755 718 0.00      
17 A2 647 615 0.00      
18 A2 139 132 0.00      
19 B1 1117 1062 0.81      
20 B1 1059 1007 0.78      
21 B1 823 783 11.74      
22 B1 662 630 77.53      
23 B1 513 488 61.51      
24 B1 309 294 1.01      
25 B2 3212 3055 23.67      
26 B2 3180 3025 31.75      
27 B2 3156 3002 0.22      
28 B2 1755 1670 27.88      
29 B2 1549 1474 8.56      
30 B2 1498 1425 0.22      
31 B2 1383 1316 0.64      
32 B2 1349 1284 0.82      
33 B2 967 920 5.42      
34 B2 951 904 0.09      
35 B2 442 420 0.52      
36 B2 2469i 2349i 267.25      

Unscaled Zero Point Vibrational Energy (zpe) 24287.9 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 23105.1 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 MP2/3-21G*
ABC
0.12568 0.12338 0.06226

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.616
C2 0.000 1.256 1.034
C3 0.000 -1.256 1.034
C4 0.000 1.558 -0.398
C5 0.000 -1.558 -0.398
C6 0.000 0.716 -1.443
C7 0.000 -0.716 -1.443
H8 0.000 0.000 2.707
H9 0.000 2.116 1.698
H10 0.000 -2.116 1.698
H11 0.000 2.623 -0.628
H12 0.000 -2.623 -0.628
H13 0.000 1.174 -2.431
H14 0.000 -1.174 -2.431

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.38461.38462.54592.54593.14133.14131.09092.11752.11753.45203.45204.21374.2137
C21.38462.51261.46303.15762.53483.16602.09211.08623.43692.15184.22063.46594.2323
C31.38462.51263.15761.46303.16602.53482.09213.43691.08624.22062.15184.23233.4659
C42.54591.46303.15763.11631.34212.50293.47342.16844.22961.08994.18792.06933.4058
C52.54593.15761.46303.11632.50291.34213.47344.22962.16844.18791.08993.40582.0693
C63.14132.53483.16601.34212.50291.43224.21083.43844.22892.07403.43751.08922.1330
C73.14133.16602.53482.50291.34211.43224.21084.22893.43843.43752.07402.13301.0892
H81.09092.09212.09213.47343.47344.21084.21082.34412.34414.24294.24295.27025.2702
H92.11751.08623.43692.16844.22963.43844.22892.34414.23182.38055.27924.23495.2793
H102.11753.43691.08624.22962.16844.22893.43842.34414.23185.27922.38055.27934.2349
H113.45202.15184.22061.08994.18792.07403.43754.24292.38055.27925.24682.31344.2038
H123.45204.22062.15184.18791.08993.43752.07404.24295.27922.38055.24684.20382.3134
H134.21373.46594.23232.06933.40581.08922.13305.27024.23495.27932.31344.20382.3481
H144.21374.23233.46593.40582.06932.13301.08925.27025.27934.23494.20382.31342.3481

picture of cycloheptatrienyl radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability