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

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-42.796504
Energy at 298.15K 
HF Energy-42.316435
Nuclear repulsion energy128.204667
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-31G
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 3210 3102 7.38      
2 A1 3192 3084 112.62      
3 A1 3154 3047 1.04      
4 A1 3140 3034 1.95      
5 A1 1805 1744 46.59      
6 A1 1539 1487 10.86      
7 A1 1481 1431 8.27      
8 A1 1317 1273 3.19      
9 A1 1193 1153 0.05      
10 A1 977 944 4.63      
11 A1 910 879 2.04      
12 A1 831 803 1.20      
13 A1 446 431 0.48      
14 A2 1040 1005 0.00      
15 A2 920 889 0.00      
16 A2 705 681 0.00      
17 A2 620 599 0.00      
18 A2 148 143 0.00      
19 B1 1071 1035 1.55      
20 B1 976 943 1.14      
21 B1 792 766 45.47      
22 B1 652 630 109.61      
23 B1 487 471 64.18      
24 B1 311 300 2.23      
25 B2 3194 3086 114.16      
26 B2 3169 3062 25.59      
27 B2 3132 3026 0.51      
28 B2 1668 1612 17.07      
29 B2 1493 1442 13.66      
30 B2 1436 1387 0.29      
31 B2 1319 1275 1.12      
32 B2 1285 1242 0.59      
33 B2 962 930 2.94      
34 B2 902 872 6.09      
35 B2 415 401 0.74      
36 B2 1984i 1917i 281.93      

Unscaled Zero Point Vibrational Energy (zpe) 23953.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 23146.1 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/CEP-31G
ABC
0.11987 0.11795 0.05945

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.657
C2 0.000 1.290 1.056
C3 0.000 -1.290 1.056
C4 0.000 1.596 -0.406
C5 0.000 -1.596 -0.406
C6 0.000 0.732 -1.477
C7 0.000 -0.732 -1.477
H8 0.000 0.000 2.761
H9 0.000 2.159 1.730
H10 0.000 -2.159 1.730
H11 0.000 2.674 -0.644
H12 0.000 -2.674 -0.644
H13 0.000 1.199 -2.475
H14 0.000 -1.199 -2.475

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.42321.42322.60842.60843.21873.21871.10362.16062.16063.52763.52764.30324.3032
C21.42322.57941.49313.23482.59343.24062.13811.10043.51442.19184.31233.53224.3200
C31.42322.57943.23481.49313.24062.59342.13813.51441.10044.31232.19184.32003.5322
C42.60841.49313.23483.19251.37662.56293.54622.20864.32041.10344.27652.10753.4781
C52.60843.23481.49313.19252.56291.37663.54624.32042.20864.27651.10343.47812.1075
C63.21872.59343.24061.37662.56291.46394.30083.51034.31792.11283.50591.10222.1738
C73.21873.24062.59342.56291.37661.46394.30084.31793.51033.50592.11282.17381.1022
H81.10362.13812.13813.54623.54624.30084.30082.39292.39294.32924.32925.37195.3719
H92.16061.10043.51442.20864.32043.51034.31792.39294.31882.42895.38454.31365.3818
H102.16063.51441.10044.32042.20864.31793.51032.39294.31885.38452.42895.38184.3136
H113.52762.19184.31231.10344.27652.11283.50594.32922.42895.38455.34712.35134.2838
H123.52764.31232.19184.27651.10343.50592.11284.32925.38452.42895.34714.28382.3513
H134.30323.53224.32002.10753.47811.10222.17385.37194.31365.38182.35134.28382.3981
H144.30324.32003.53223.47812.10752.17381.10225.37195.38184.31364.28382.35132.3981

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