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All results from a given calculation for C6H6O (2,5-Cyclohexadienone)

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-307.380653
Energy at 298.15K-307.387258
HF Energy-307.380653
Nuclear repulsion energy270.218690
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 B1B95/6-311G**
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 3217 3089 0.37      
2 A1 3181 3054 7.97      
3 A1 3022 2901 8.02      
4 A1 1786 1714 318.68      
5 A1 1728 1659 0.97      
6 A1 1424 1367 15.63      
7 A1 1414 1358 10.59      
8 A1 1189 1142 7.46      
9 A1 962 924 5.66      
10 A1 898 862 10.95      
11 A1 783 752 1.30      
12 A1 501 481 2.93      
13 A2 1204 1156 0.00      
14 A2 1021 980 0.00      
15 A2 752 722 0.00      
16 A2 359 344 0.00      
17 B1 3038 2917 6.08      
18 B1 1033 992 0.39      
19 B1 945 907 30.78      
20 B1 861 826 34.34      
21 B1 573 550 25.18      
22 B1 308 296 3.28      
23 B1 122 117 0.71      
24 B2 3216 3087 15.99      
25 B2 3180 3053 13.75      
26 B2 1691 1623 2.90      
27 B2 1434 1376 38.82      
28 B2 1386 1331 1.88      
29 B2 1276 1225 25.07      
30 B2 1141 1095 8.26      
31 B2 1006 966 6.93      
32 B2 571 548 0.66      
33 B2 450 432 15.24      

Unscaled Zero Point Vibrational Energy (zpe) 22834.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 21923.3 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 B1B95/6-311G**
ABC
0.17667 0.09001 0.06027

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.108
C2 0.000 0.000 -1.810
C3 0.000 1.249 0.328
C4 0.000 -1.249 0.328
C5 0.000 1.248 -1.005
C6 0.000 -1.248 -1.005
O7 0.000 0.000 2.324
H8 0.000 2.166 0.902
H9 0.000 -2.166 0.902
H10 0.000 2.186 -1.550
H11 0.000 -2.186 -1.550
H12 0.864 0.000 -2.487
H13 -0.864 0.000 -2.487

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.91821.47211.47212.45422.45421.21562.17592.17593.44153.44153.69733.6973
C22.91822.47602.47601.48571.48574.13383.47113.47112.20152.20151.09781.0978
C31.47212.47602.49711.33292.83052.35401.08243.46262.09913.91453.19843.1984
C41.47212.47602.49712.83051.33292.35403.46261.08243.91452.09913.19843.1984
C52.45421.48571.33292.83052.49703.55502.11633.91101.08453.47752.12182.1218
C62.45421.48572.83051.33292.49703.55503.91102.11633.47751.08452.12182.1218
O71.21564.13382.35402.35403.55503.55502.59092.59094.44794.44794.88754.8875
H82.17593.47111.08243.46262.11633.91102.59094.33222.45224.99544.11394.1139
H92.17593.47113.46261.08243.91102.11632.59094.33224.99542.45224.11394.1139
H103.44152.20152.09913.91451.08453.47754.44792.45224.99544.37212.53052.5305
H113.44152.20153.91452.09913.47751.08454.44794.99542.45224.37212.53052.5305
H123.69731.09783.19843.19842.12182.12184.88754.11394.11392.53052.53051.7289
H133.69731.09783.19843.19842.12182.12184.88754.11394.11392.53052.53051.7289

picture of 2,5-Cyclohexadienone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C5 121.992 C1 C3 H8 115.976
C1 C4 C6 121.992 C1 C4 H9 115.976
C2 C5 C3 122.822 C2 C5 H10 117.003
C2 C6 C4 122.822 C2 C6 H11 117.003
C3 C1 C4 116.013 C3 C1 O7 121.994
C3 C5 H10 120.175 C4 C1 O7 121.994
C4 C6 H11 120.175 C5 C2 C6 114.358
C5 C2 H12 109.518 C5 C2 H13 109.518
C5 C3 H8 122.032 C6 C2 H12 109.518
C6 C2 H13 109.518 C6 C4 H9 122.032
H12 C2 H13 103.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.204      
2 C -0.197      
3 C -0.120      
4 C -0.120      
5 C -0.135      
6 C -0.135      
7 O -0.330      
8 H 0.126      
9 H 0.126      
10 H 0.128      
11 H 0.128      
12 H 0.163      
13 H 0.163      


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 -4.509 4.509
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.959 0.000 0.000
y 0.000 -36.049 0.000
z 0.000 0.000 -44.701
Traceless
 xyz
x -1.584 0.000 0.000
y 0.000 7.281 0.000
z 0.000 0.000 -5.697
Polar
3z2-r2-11.393
x2-y2-5.910
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.034 0.000 0.000
y 0.000 9.381 0.000
z 0.000 0.000 13.809


<r2> (average value of r2) Å2
<r2> 185.826
(<r2>)1/2 13.632