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: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 2A2
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-270.749370
Energy at 298.15K 
HF Energy-270.749370
Nuclear repulsion energy258.223492
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 M06-2X/6-31G*
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 3227 3056 7.45      
2 A1 3207 3037 32.20      
3 A1 3187 3018 0.02      
4 A1 3173 3005 10.60      
5 A1 1668 1580 0.73      
6 A1 1578 1495 9.93      
7 A1 1495 1415 4.68      
8 A1 1295 1226 0.63      
9 A1 1206 1143 2.23      
10 A1 986 934 1.19      
11 A1 914 865 0.63      
12 A1 860 815 0.36      
13 A1 437 414 0.27      
14 A2 1014 961 0.00      
15 A2 858 813 0.00      
16 A2 777 736 0.00      
17 A2 568 538 0.00      
18 A2 141 133 0.00      
19 B1 1029 975 0.00      
20 B1 1005 952 0.50      
21 B1 780 738 0.12      
22 B1 661 626 62.94      
23 B1 521 493 38.06      
24 B1 289 274 0.01      
25 B2 3221 3050 28.01      
26 B2 3199 3029 22.39      
27 B2 3177 3009 0.35      
28 B2 1697 1607 7.60      
29 B2 1505 1425 2.61      
30 B2 1423 1347 0.02      
31 B2 1314 1244 0.23      
32 B2 1264 1197 0.74      
33 B2 994 941 3.92      
34 B2 898 850 1.35      
35 B2 408 386 0.25      
36 B2 304i 288i 59.01      

Unscaled Zero Point Vibrational Energy (zpe) 24834.9 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 23518.7 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 M06-2X/6-31G*
ABC
0.12437 0.12432 0.06217

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.608
C2 0.000 1.261 1.022
C3 0.000 -1.261 1.022
C4 0.000 1.567 -0.379
C5 0.000 -1.567 -0.379
C6 0.000 0.727 -1.447
C7 0.000 -0.727 -1.447
H8 0.000 0.000 2.698
H9 0.000 2.112 1.694
H10 0.000 -2.112 1.694
H11 0.000 2.630 -0.613
H12 0.000 -2.630 -0.613
H13 0.000 1.189 -2.431
H14 0.000 -1.189 -2.431

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14
C11.39031.39032.53102.53103.14063.14061.08942.11402.11403.44313.44314.21064.2106
C21.39032.52111.43413.15582.52603.16942.09701.08523.43922.13324.22063.45364.2333
C31.39032.52113.15581.43413.16942.52602.09703.43921.08524.22062.13324.23333.4536
C42.53101.43413.15583.13451.35922.53033.45302.14384.22341.08874.20422.08663.4359
C52.53103.15581.43413.13452.53031.35923.45304.22342.14384.20421.08873.43592.0866
C63.14062.52603.16941.35922.53031.45334.20813.43344.23412.07833.45911.08702.1532
C73.14063.16942.52602.53031.35921.45334.20814.23413.43343.45912.07832.15321.0870
H81.08942.09702.09703.45303.45304.20814.20812.33852.33854.22874.22875.26475.2647
H92.11401.08523.43922.14384.22343.43344.23412.33854.22452.36515.27434.22755.2834
H102.11403.43921.08524.22342.14384.23413.43342.33854.22455.27432.36515.28344.2275
H113.44312.13324.22061.08874.20422.07833.45914.22872.36515.27435.26082.32014.2296
H123.44314.22062.13324.20421.08873.45912.07834.22875.27432.36515.26084.22962.3201
H134.21063.45364.23332.08663.43591.08702.15325.26474.22755.28342.32014.22962.3773
H144.21064.23333.45363.43592.08662.15321.08705.26475.28344.22754.22962.32012.3773

picture of cycloheptatrienyl radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.124      
2 C -0.191      
3 C -0.191      
4 C -0.137      
5 C -0.137      
6 C -0.166      
7 C -0.166      
8 H 0.162      
9 H 0.154      
10 H 0.154      
11 H 0.162      
12 H 0.162      
13 H 0.159      
14 H 0.159      


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 -0.110 0.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.641 0.000 0.000
y 0.000 -36.430 0.000
z 0.000 0.000 -36.416
Traceless
 xyz
x -9.218 0.000 0.000
y 0.000 4.599 0.000
z 0.000 0.000 4.619
Polar
3z2-r29.238
x2-y2-9.211
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.600 0.000 0.000
y 0.000 13.315 0.000
z 0.000 0.000 13.214


<r2> (average value of r2) Å2
<r2> 185.629
(<r2>)1/2 13.625