return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 2A2
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-269.122258
Energy at 298.15K 
HF Energy-269.122258
Nuclear repulsion energy257.589309
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 HF/6-31+G**
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 3355 3034 2.85 479.41 0.13 0.24
2 A1 3345 3024 72.40 20.95 0.22 0.36
3 A1 3320 3002 4.04 148.71 0.75 0.86
4 A1 3310 2993 0.43 12.71 0.14 0.24
5 A1 1730 1564 0.01 41.76 0.04 0.07
6 A1 1612 1458 0.64 39.93 0.73 0.84
7 A1 1576 1425 5.41 13.44 0.54 0.71
8 A1 1369 1238 0.23 6.19 0.16 0.28
9 A1 1227 1109 0.00 8.85 0.28 0.44
10 A1 976 882 1.95 2.84 0.10 0.18
11 A1 954 862 0.02 12.97 0.26 0.42
12 A1 840 760 0.50 6.46 0.13 0.23
13 A1 464 420 0.43 5.60 0.73 0.85
14 A2 1056 955 0.00 1.45 0.75 0.86
15 A2 869 786 0.00 1.07 0.75 0.86
16 A2 795 719 0.00 0.00 0.75 0.86
17 A2 554 501 0.00 0.87 0.75 0.86
18 A2 146 132 0.00 0.22 0.75 0.86
19 B1 1068 965 0.34 2.86 0.75 0.86
20 B1 1003 907 0.04 0.02 0.75 0.86
21 B1 800 723 2.52 0.15 0.75 0.86
22 B1 670 606 131.50 0.00 0.75 0.86
23 B1 538 486 20.06 0.84 0.75 0.86
24 B1 296 268 0.08 0.87 0.75 0.86
25 B2 3343 3023 79.62 1.54 0.75 0.86
26 B2 3331 3012 0.89 103.77 0.75 0.86
27 B2 3312 2995 2.18 4.49 0.75 0.86
28 B2 1672 1511 0.84 56.18 0.75 0.86
29 B2 1591 1438 2.24 2.86 0.75 0.86
30 B2 1522 1376 0.15 0.00 0.75 0.86
31 B2 1426 1290 1.88 8.32 0.75 0.86
32 B2 1295 1171 0.04 0.65 0.75 0.86
33 B2 1035 936 12.50 52.09 0.75 0.86
34 B2 1003 907 0.26 0.30 0.75 0.86
35 B2 952 861 0.24 7.00 0.75 0.86
36 B2 438 396 0.19 2.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 26396.1 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 23867.4 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 HF/6-31+G**
ABC
0.12413 0.12280 0.06173

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.619
C2 0.000 1.265 1.019
C3 0.000 -1.265 1.019
C4 0.000 1.579 -0.382
C5 0.000 -1.579 -0.382
C6 0.000 0.742 -1.447
C7 0.000 -0.742 -1.447
H8 0.000 0.000 2.697
H9 0.000 2.109 1.687
H10 0.000 -2.109 1.687
H11 0.000 2.632 -0.609
H12 0.000 -2.632 -0.609
H13 0.000 1.195 -2.424
H14 0.000 -1.195 -2.424

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.40011.40012.54882.54883.15503.15501.07772.11012.11013.44873.44874.21594.2159
C21.40012.52991.43563.17022.52113.18012.10121.07623.43942.12604.22373.44384.2314
C31.40012.52993.17021.43563.18012.52112.10123.43941.07624.22372.12604.23143.4438
C42.54881.43563.17023.15791.35472.55433.45982.13534.22841.07774.21752.07813.4444
C52.54883.17021.43563.15792.55431.35473.45984.22842.13534.21751.07773.44442.0781
C63.15502.52113.18011.35472.55431.48504.21013.41904.23712.06763.47751.07632.1694
C73.15503.18012.52112.55431.35471.48504.21014.23713.41903.47752.06762.16941.0763
H81.07772.10122.10123.45983.45984.21014.21012.33842.33844.22574.22575.25835.2583
H92.11011.07623.43942.13534.22843.41904.23712.33844.21802.35455.26794.21125.2737
H102.11013.43941.07624.22842.13534.23713.41902.33844.21805.26792.35455.27374.2112
H113.44872.12604.22371.07774.21752.06763.47754.22572.35455.26795.26492.31564.2357
H123.44874.22372.12604.21751.07773.47752.06764.22575.26792.35455.26494.23572.3156
H134.21593.44384.23142.07813.44441.07632.16945.25834.21125.27372.31564.23572.3893
H144.21594.23143.44383.44442.07812.16941.07635.25835.27374.21124.23572.31562.3893

picture of cycloheptatrienyl radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 C -0.127      
3 C -0.127      
4 C -0.179      
5 C -0.179      
6 C -0.146      
7 C -0.146      
8 H 0.154      
9 H 0.153      
10 H 0.153      
11 H 0.154      
12 H 0.154      
13 H 0.155      
14 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.052 0.052
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.698 0.000 0.000
y 0.000 -37.764 0.000
z 0.000 0.000 -37.534
Traceless
 xyz
x -10.049 0.000 0.000
y 0.000 4.852 0.000
z 0.000 0.000 5.197
Polar
3z2-r210.394
x2-y2-9.934
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.775 0.000 0.000
y 0.000 12.529 0.000
z 0.000 0.000 12.989


<r2> (average value of r2) Å2
<r2> 187.483
(<r2>)1/2 13.692