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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-307.082566
Energy at 298.15K-307.089007
HF Energy-307.082566
Nuclear repulsion energy266.957929
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3129 3111 0.63      
2 A1 3090 3072 9.05      
3 A1 2924 2907 8.84      
4 A1 1692 1682 219.36      
5 A1 1653 1643 12.81      
6 A1 1356 1349 0.05      
7 A1 1335 1327 26.52      
8 A1 1137 1131 5.59      
9 A1 929 924 6.87      
10 A1 878 873 11.38      
11 A1 761 757 0.56      
12 A1 490 487 2.73      
13 A2 1143 1136 0.00      
14 A2 977 971 0.00      
15 A2 726 722 0.00      
16 A2 348 346 0.00      
17 B1 2939 2922 4.18      
18 B1 988 982 0.11      
19 B1 903 898 22.82      
20 B1 836 831 18.81      
21 B1 553 550 21.95      
22 B1 304 302 3.51      
23 B1 126 125 0.33      
24 B2 3127 3109 17.12      
25 B2 3089 3071 14.10      
26 B2 1619 1610 3.18      
27 B2 1375 1367 33.95      
28 B2 1324 1316 1.84      
29 B2 1219 1212 17.38      
30 B2 1091 1085 8.17      
31 B2 975 970 7.59      
32 B2 558 555 1.30      
33 B2 436 433 11.95      

Unscaled Zero Point Vibrational Energy (zpe) 22014.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 21886.7 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 PBEPBE/cc-pVDZ
ABC
0.17363 0.08757 0.05884

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.120
C2 0.000 0.000 -1.828
C3 0.000 1.257 0.333
C4 0.000 -1.257 0.333
C5 0.000 1.260 -1.021
C6 0.000 -1.260 -1.021
O7 0.000 0.000 2.359
H8 0.000 2.190 0.918
H9 0.000 -2.190 0.918
H10 0.000 2.213 -1.576
H11 0.000 -2.213 -1.576
H12 0.874 0.000 -2.524
H13 -0.874 0.000 -2.524

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.94871.48331.48332.48462.48461.23812.19912.19913.48843.48843.74793.7479
C22.94872.50032.50031.49631.49634.18683.51203.51202.22692.22691.11711.1171
C31.48332.50032.51411.35412.85802.38391.10063.49592.13523.96033.24153.2415
C41.48332.50032.51412.85801.35412.38393.49591.10063.96032.13523.24153.2415
C52.48461.49631.35412.85802.51973.60682.15003.95691.10283.51662.14712.1471
C62.48461.49632.85801.35412.51973.60683.95692.15003.51661.10282.14712.1471
O71.23814.18682.38392.38393.60683.60682.62132.62134.51444.51444.96024.9602
H82.19913.51201.10063.49592.15003.95692.62134.37932.49415.05964.17174.1717
H92.19913.51203.49591.10063.95692.15002.62134.37935.05962.49414.17174.1717
H103.48842.22692.13523.96031.10283.51664.51442.49415.05964.42512.56072.5607
H113.48842.22693.96032.13523.51661.10284.51445.05962.49414.42512.56072.5607
H123.74791.11713.24153.24152.14712.14714.96024.17174.17172.56072.56071.7477
H133.74791.11713.24153.24152.14712.14714.96024.17174.17172.56072.56071.7477

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 122.183 C1 C3 H8 115.860
C1 C4 C6 122.183 C1 C4 H9 115.860
C2 C5 C3 122.528 C2 C5 H10 117.111
C2 C6 C4 122.528 C2 C6 H11 117.111
C3 C1 C4 115.873 C3 C1 O7 122.064
C3 C5 H10 120.360 C4 C1 O7 122.064
C4 C6 H11 120.360 C5 C2 C6 114.705
C5 C2 H12 109.637 C5 C2 H13 109.637
C5 C3 H8 121.956 C6 C2 H12 109.637
C6 C2 H13 109.637 C6 C4 H9 121.956
H12 C2 H13 102.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.052      
2 C 0.038      
3 C 0.025      
4 C 0.025      
5 C -0.033      
6 C -0.033      
7 O -0.208      
8 H -0.007      
9 H -0.007      
10 H 0.002      
11 H 0.002      
12 H 0.072      
13 H 0.072      


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 -4.276 4.276
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.804 0.000 0.000
y 0.000 -36.651 0.000
z 0.000 0.000 -44.017
Traceless
 xyz
x -1.470 0.000 0.000
y 0.000 6.259 0.000
z 0.000 0.000 -4.789
Polar
3z2-r2-9.578
x2-y2-5.152
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.735 0.000 0.000
y 0.000 10.117 0.000
z 0.000 0.000 14.171


<r2> (average value of r2) Å2
<r2> 189.741
(<r2>)1/2 13.775