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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-305.673138
Energy at 298.15K-305.679910
HF Energy-305.673138
Nuclear repulsion energy268.475697
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 mPW1PW91/3-21G
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 3245 3098 0.13      
2 A1 3202 3056 3.61      
3 A1 3034 2896 3.32      
4 A1 1757 1678 139.49      
5 A1 1708 1631 41.13      
6 A1 1484 1417 24.61      
7 A1 1450 1384 2.73      
8 A1 1245 1188 6.81      
9 A1 984 939 5.24      
10 A1 888 848 9.80      
11 A1 776 741 0.96      
12 A1 522 498 2.80      
13 A2 1270 1212 0.00      
14 A2 1070 1021 0.00      
15 A2 781 746 0.00      
16 A2 378 361 0.00      
17 B1 3054 2915 2.96      
18 B1 1082 1032 4.15      
19 B1 973 929 37.74      
20 B1 905 864 36.45      
21 B1 602 574 45.28      
22 B1 337 321 2.84      
23 B1 136 130 0.25      
24 B2 3243 3096 12.16      
25 B2 3200 3055 11.22      
26 B2 1695 1618 5.64      
27 B2 1437 1371 18.04      
28 B2 1396 1333 5.70      
29 B2 1300 1241 29.21      
30 B2 1175 1121 19.67      
31 B2 1009 963 13.32      
32 B2 594 567 1.80      
33 B2 446 426 12.41      

Unscaled Zero Point Vibrational Energy (zpe) 23187.7 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 22135.0 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 mPW1PW91/3-21G
ABC
0.17625 0.08811 0.05938

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.116
C2 0.000 0.000 -1.831
C3 0.000 1.245 0.325
C4 0.000 -1.245 0.325
C5 0.000 1.254 -1.012
C6 0.000 -1.254 -1.012
O7 0.000 0.000 2.357
H8 0.000 2.165 0.896
H9 0.000 -2.165 0.896
H10 0.000 2.193 -1.558
H11 0.000 -2.193 -1.558
H12 0.876 0.000 -2.499
H13 -0.876 0.000 -2.499

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.94641.47531.47532.46992.46991.24102.17612.17613.45783.45783.71953.7195
C22.94642.48912.48911.49761.49764.18743.48193.48192.21012.21011.10221.1022
C31.47532.48912.49041.33672.83422.38331.08303.45782.10753.91983.20813.2081
C41.47532.48912.49042.83421.33672.38333.45781.08303.91982.10753.20813.2081
C52.46991.49761.33672.83422.50823.59462.11463.91561.08603.49012.13352.1335
C62.46991.49762.83421.33672.50823.59463.91562.11463.49011.08602.13352.1335
O71.24104.18742.38332.38333.59463.59462.61162.61164.48694.48694.93434.9343
H82.17613.48191.08303.45782.11463.91562.61164.33012.45415.00154.12124.1212
H92.17613.48193.45781.08303.91562.11462.61164.33015.00152.45414.12124.1212
H103.45782.21012.10753.91981.08603.49014.48692.45415.00154.38632.54252.5425
H113.45782.21013.91982.10753.49011.08604.48695.00152.45414.38632.54252.5425
H123.71951.10223.20813.20812.13352.13354.93434.12124.12122.54252.54251.7527
H133.71951.10223.20813.20812.13352.13354.93434.12124.12122.54252.54251.7527

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 122.812 C1 C3 H8 115.709
C1 C4 C6 122.812 C1 C4 H9 115.709
C2 C5 C3 122.753 C2 C5 H10 116.710
C2 C6 C4 122.753 C2 C6 H11 116.710
C3 C1 C4 115.139 C3 C1 O7 122.430
C3 C5 H10 120.537 C4 C1 O7 122.430
C4 C6 H11 120.537 C5 C2 C6 113.732
C5 C2 H12 109.360 C5 C2 H13 109.360
C5 C3 H8 121.479 C6 C2 H12 109.360
C6 C2 H13 109.360 C6 C4 H9 121.479
H12 C2 H13 105.330
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.376      
2 C -0.555      
3 C -0.236      
4 C -0.236      
5 C -0.172      
6 C -0.172      
7 O -0.501      
8 H 0.244      
9 H 0.244      
10 H 0.237      
11 H 0.237      
12 H 0.267      
13 H 0.267      


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 -4.384 4.384
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.577 0.000 0.000
y 0.000 -35.529 0.000
z 0.000 0.000 -44.009
Traceless
 xyz
x -2.808 0.000 0.000
y 0.000 7.764 0.000
z 0.000 0.000 -4.956
Polar
3z2-r2-9.912
x2-y2-7.048
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.548 0.000 0.000
y 0.000 8.187 0.000
z 0.000 0.000 12.808


<r2> (average value of r2) Å2
<r2> 187.948
(<r2>)1/2 13.709