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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-345.762080
Energy at 298.15K-345.770326
HF Energy-345.762080
Nuclear repulsion energy293.017802
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 BLYP/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 A 3065 3058 12.91      
2 A 3007 2999 12.12      
3 A 2994 2987 5.12      
4 A 2957 2949 0.45      
5 A 1724 1720 19.70      
6 A 1455 1451 0.90      
7 A 1451 1447 21.06      
8 A 1438 1435 9.06      
9 A 1357 1354 3.88      
10 A 1232 1229 23.53      
11 A 1114 1112 3.13      
12 A 1049 1046 0.55      
13 A 903 901 3.24      
14 A 752 750 0.28      
15 A 604 603 2.30      
16 A 470 469 4.30      
17 A 314 313 0.72      
18 A 167 167 0.09      
19 A 140 140 0.93      
20 A 64 64 6.64      
21 B 3065 3058 16.54      
22 B 3056 3048 11.40      
23 B 3007 2999 1.67      
24 B 2956 2949 7.29      
25 B 1695 1691 306.57      
26 B 1451 1447 0.90      
27 B 1448 1445 33.20      
28 B 1357 1354 82.47      
29 B 1213 1210 65.21      
30 B 1136 1133 232.03      
31 B 1031 1028 24.49      
32 B 977 975 1.64      
33 B 850 847 55.78      
34 B 756 754 23.39      
35 B 532 530 25.72      
36 B 483 482 0.69      
37 B 402 401 1.00      
38 B 168 167 0.45      
39 B 42 42 8.90      

Unscaled Zero Point Vibrational Energy (zpe) 25942.2 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 25877.4 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 BLYP/6-311G*
ABC
0.13578 0.06329 0.04996

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.009
C2 0.000 1.257 0.100
C3 0.000 -1.257 0.100
C4 -1.372 1.793 -0.289
C5 1.372 -1.793 -0.289
O6 1.047 1.739 -0.302
O7 -1.047 -1.739 -0.302
H8 -0.902 -0.034 1.633
H9 0.902 0.034 1.633
H10 -1.273 2.566 -1.059
H11 -2.015 0.974 -0.645
H12 -1.871 2.224 0.595
H13 1.273 -2.566 -1.059
H14 2.015 -0.974 -0.645
H15 1.871 -2.224 0.595

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.55131.55132.60392.60392.41662.41661.09761.09763.53282.78322.93553.53282.78322.9355
C21.55132.51391.52313.36691.22083.19942.19812.15902.16262.16712.16344.19263.09753.9827
C31.55132.51393.36691.52313.19941.22082.15902.19814.19263.09753.98272.16262.16712.1634
C42.60391.52313.36694.51552.41943.54772.69303.45801.09591.10111.10235.15664.38855.2376
C52.60393.36691.52314.51553.54772.41943.45802.69305.15664.38855.23761.09591.10111.1023
O62.41661.22083.19942.41943.54774.06063.26942.58362.57653.17523.09094.37732.90174.1462
O72.41663.19941.22083.54772.41944.06062.58363.26944.37732.90174.14622.57653.17523.0909
H81.09762.19812.15902.69303.45803.26942.58361.80523.76122.72902.66734.28843.81923.6827
H91.09762.15902.19813.45802.69302.58363.26941.80524.28843.81923.68273.76122.72902.6673
H103.53282.16264.19261.09595.15662.57654.37733.76124.28841.80451.79215.72854.84935.9634
H112.78322.16713.09751.10114.38853.17522.90172.72903.81921.80451.76654.84934.47695.1835
H122.93552.16343.98271.10235.23763.09094.14622.66733.68271.79211.76655.96345.18355.8123
H133.53284.19262.16265.15661.09594.37732.57654.28843.76125.72854.84935.96341.80451.7921
H142.78323.09752.16714.38851.10112.90173.17523.81922.72904.84934.47695.18351.80451.7665
H152.93553.98272.16345.23761.10234.14623.09093.68272.66735.96345.18355.81231.79211.7665

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.762 C1 C2 O6 120.868
C1 C3 C5 115.762 C1 C3 O7 120.868
C2 C1 C3 108.250 C2 C1 H8 111.008
C2 C1 H9 107.960 C2 C4 H10 110.255
C2 C4 H11 110.309 C2 C4 H12 109.946
C3 C1 H8 107.960 C3 C1 H9 111.008
C3 C5 H13 110.255 C3 C5 H14 110.309
C3 C5 H15 109.946 C4 C2 O6 123.325
C5 C3 O7 123.325 H8 C1 H9 110.643
H10 C4 H11 110.443 H10 C4 H12 109.223
H11 C4 H12 106.592 H13 C5 H14 110.443
H13 C5 H15 109.223 H14 C5 H15 106.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.532      
2 C 0.281      
3 C 0.281      
4 C -0.657      
5 C -0.657      
6 O -0.260      
7 O -0.260      
8 H 0.225      
9 H 0.225      
10 H 0.224      
11 H 0.231      
12 H 0.220      
13 H 0.224      
14 H 0.231      
15 H 0.220      


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 1.503 1.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.319 -8.758 0.000
y -8.758 -46.152 0.000
z 0.000 0.000 -40.989
Traceless
 xyz
x -0.749 -8.758 0.000
y -8.758 -3.498 0.000
z 0.000 0.000 4.246
Polar
3z2-r28.492
x2-y21.833
xy-8.758
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.075 -0.659 0.000
y -0.659 10.738 0.000
z 0.000 0.000 7.596


<r2> (average value of r2) Å2
<r2> 236.205
(<r2>)1/2 15.369