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

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-305.414227
Energy at 298.15K-305.421332
HF Energy-305.414227
Nuclear repulsion energy269.958857
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/6-31G
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 3397 3068 0.03      
2 A1 3355 3029 6.91      
3 A1 3163 2856 15.33      
4 A1 1916 1730 327.53      
5 A1 1836 1658 88.43      
6 A1 1610 1454 13.94      
7 A1 1559 1407 0.28      
8 A1 1323 1195 11.76      
9 A1 1063 960 5.36      
10 A1 942 851 7.39      
11 A1 833 752 0.53      
12 A1 553 500 5.04      
13 A2 1349 1218 0.00      
14 A2 1161 1048 0.00      
15 A2 849 767 0.00      
16 A2 414 374 0.00      
17 B1 3185 2876 14.16      
18 B1 1182 1068 0.19      
19 B1 1071 967 36.98      
20 B1 938 847 80.73      
21 B1 652 589 22.92      
22 B1 354 320 4.00      
23 B1 140 126 2.37      
24 B2 3395 3065 19.10      
25 B2 3354 3028 16.62      
26 B2 1835 1657 3.25      
27 B2 1559 1407 28.07      
28 B2 1524 1376 1.40      
29 B2 1418 1280 39.75      
30 B2 1268 1145 12.48      
31 B2 1078 973 8.95      
32 B2 643 581 0.27      
33 B2 492 445 21.05      

Unscaled Zero Point Vibrational Energy (zpe) 24705.2 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 22306.3 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 HF/6-31G
ABC
0.17557 0.09001 0.06014

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.100
C2 0.000 0.000 -1.820
C3 0.000 1.254 0.329
C4 0.000 -1.254 0.329
C5 0.000 1.255 -0.999
C6 0.000 -1.255 -0.999
O7 0.000 0.000 2.326
H8 0.000 2.161 0.900
H9 0.000 -2.161 0.900
H10 0.000 2.184 -1.539
H11 0.000 -2.184 -1.539
H12 0.864 0.000 -2.483
H13 -0.864 0.000 -2.483

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.91961.47141.47142.44542.44541.22622.16982.16983.42503.42503.68503.6850
C22.91962.48792.48791.49911.49914.14573.47403.47402.20182.20181.08921.0892
C31.47142.48792.50711.32852.83832.35761.07203.46162.08683.91213.19753.1975
C41.47142.48792.50712.83831.32852.35763.46161.07203.91212.08683.19753.1975
C52.44541.49911.32852.83832.50923.55402.10483.90811.07453.48052.12632.1263
C62.44541.49912.83831.32852.50923.55403.90812.10483.48051.07452.12632.1263
O71.22624.14572.35762.35763.55403.55402.58842.58844.43904.43904.88544.8854
H82.16983.47401.07203.46162.10483.90812.58844.32132.43944.98244.10614.1061
H92.16983.47403.46161.07203.90812.10482.58844.32134.98242.43944.10614.1061
H103.42502.20182.08683.91211.07453.48054.43902.43944.98244.36762.53122.5312
H113.42502.20183.91212.08683.48051.07454.43904.98242.43944.36762.53122.5312
H123.68501.08923.19753.19752.12632.12634.88544.10614.10612.53122.53121.7289
H133.68501.08923.19753.19752.12632.12634.88544.10614.10612.53122.53121.7289

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 121.622 C1 C3 H8 116.219
C1 C4 C6 121.622 C1 C4 H9 116.219
C2 C5 C3 123.140 C2 C5 H10 116.678
C2 C6 C4 123.140 C2 C6 H11 116.678
C3 C1 C4 116.845 C3 C1 O7 121.577
C3 C5 H10 120.182 C4 C1 O7 121.577
C4 C6 H11 120.182 C5 C2 C6 113.631
C5 C2 H12 109.450 C5 C2 H13 109.450
C5 C3 H8 122.159 C6 C2 H12 109.450
C6 C2 H13 109.450 C6 C4 H9 122.159
H12 C2 H13 105.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.403      
2 C -0.415      
3 C -0.205      
4 C -0.205      
5 C -0.134      
6 C -0.134      
7 O -0.581      
8 H 0.227      
9 H 0.227      
10 H 0.203      
11 H 0.203      
12 H 0.205      
13 H 0.205      


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 -5.361 5.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.769 0.000 0.000
y 0.000 -36.202 0.000
z 0.000 0.000 -48.001
Traceless
 xyz
x -0.668 0.000 0.000
y 0.000 9.183 0.000
z 0.000 0.000 -8.515
Polar
3z2-r2-17.030
x2-y2-6.567
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.903 0.000 0.000
y 0.000 7.710 0.000
z 0.000 0.000 13.777


<r2> (average value of r2) Å2
<r2> 186.921
(<r2>)1/2 13.672