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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-345.933830
Energy at 298.15K-345.942261
HF Energy-345.933830
Nuclear repulsion energy296.023550
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 B3LYP/aug-cc-pVTZ
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 3142 3040 6.48      
2 A 3084 2984 5.22      
3 A 3069 2969 2.50      
4 A 3030 2932 0.56      
5 A 1790 1732 21.25      
6 A 1481 1432 6.79      
7 A 1474 1426 15.75      
8 A 1462 1414 5.17      
9 A 1390 1345 3.85      
10 A 1271 1229 21.27      
11 A 1144 1107 1.63      
12 A 1080 1045 0.66      
13 A 937 907 1.76      
14 A 784 759 0.13      
15 A 628 607 1.52      
16 A 488 472 6.11      
17 A 323 312 0.84      
18 A 164 159 0.01      
19 A 144 140 1.03      
20 A 56 54 8.52      
21 B 3142 3040 8.55      
22 B 3132 3030 5.68      
23 B 3084 2984 0.22      
24 B 3030 2932 2.17      
25 B 1760 1703 383.00      
26 B 1474 1426 0.64      
27 B 1466 1419 28.06      
28 B 1389 1344 77.60      
29 B 1256 1215 85.66      
30 B 1186 1148 198.76      
31 B 1063 1029 9.81      
32 B 1001 968 1.33      
33 B 892 863 32.32      
34 B 797 771 13.90      
35 B 550 532 26.38      
36 B 501 485 1.37      
37 B 411 398 2.49      
38 B 163 158 0.05      
39 B 47 46 11.98      

Unscaled Zero Point Vibrational Energy (zpe) 26643.9 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 25778.0 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 B3LYP/aug-cc-pVTZ
ABC
0.13903 0.06441 0.05088

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.995
C2 0.000 1.243 0.098
C3 0.000 -1.243 0.098
C4 -1.350 1.779 -0.300
C5 1.350 -1.779 -0.300
O6 1.040 1.729 -0.280
O7 -1.040 -1.729 -0.280
H8 -0.896 -0.032 1.611
H9 0.896 0.032 1.611
H10 -1.241 2.560 -1.047
H11 -1.978 0.970 -0.678
H12 -1.854 2.183 0.582
H13 1.241 -2.560 -1.047
H14 1.978 -0.970 -0.678
H15 1.854 -2.183 0.582

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53261.53262.58142.58142.38702.38701.08801.08803.50202.76572.89353.50202.76572.8935
C21.53262.48621.50613.33391.20913.17192.17182.13542.14172.14212.13404.16153.06773.9252
C31.53262.48623.33391.50613.17191.20912.13542.17184.16153.06773.92522.14172.14212.1340
C42.58141.50613.33394.46672.39113.52222.67183.42791.08651.09171.09285.10914.33295.1710
C52.58143.33391.50614.46673.52222.39113.42792.67185.10914.33295.17101.08651.09171.0928
O62.38701.20913.17192.39113.52224.03653.22902.54582.54643.13783.05384.36252.88484.0877
O72.38703.17191.20913.52222.39114.03652.54583.22904.36252.88484.08772.54643.13783.0538
H81.08802.17182.13542.67183.42793.22902.54581.79243.72902.72292.62344.24603.79183.6399
H91.08802.13542.17183.42792.67182.54583.22901.79244.24603.79183.63993.72902.72292.6234
H103.50202.14174.16151.08655.10912.54644.36253.72904.24601.79151.78085.69064.79165.8932
H112.76572.14213.06771.09174.33293.13782.88482.72293.79181.79151.75294.79164.40565.1193
H122.89352.13403.92521.09285.17103.05384.08772.62343.63991.78081.75295.89325.11935.7277
H133.50204.16152.14175.10911.08654.36252.54644.24603.72905.69064.79165.89321.79151.7808
H142.76573.06772.14214.33291.09172.88483.13783.79182.72294.79164.40565.11931.79151.7529
H152.89353.92522.13405.17101.09284.08773.05383.63992.62345.89325.11935.72771.78081.7529

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.314 C1 C2 O6 120.604
C1 C3 C5 116.314 C1 C3 O7 120.604
C2 C1 C3 108.406 C2 C1 H8 110.802
C2 C1 H9 107.947 C2 C4 H10 110.349
C2 C4 H11 110.064 C2 C4 H12 109.363
C3 C1 H8 107.947 C3 C1 H9 110.802
C3 C5 H13 110.349 C3 C5 H14 110.064
C3 C5 H15 109.363 C4 C2 O6 123.061
C5 C3 O7 123.061 H8 C1 H9 110.919
H10 C4 H11 110.664 H10 C4 H12 109.600
H11 C4 H12 106.726 H13 C5 H14 110.664
H13 C5 H15 109.600 H14 C5 H15 106.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 C 0.633      
3 C 0.633      
4 C -0.637      
5 C -0.637      
6 O -0.793      
7 O -0.793      
8 H 0.146      
9 H 0.146      
10 H 0.200      
11 H 0.227      
12 H 0.221      
13 H 0.200      
14 H 0.227      
15 H 0.221      


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 1.576 1.576
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.536 -10.061 0.000
y -10.061 -46.612 0.000
z 0.000 0.000 -40.605
Traceless
 xyz
x -0.928 -10.061 0.000
y -10.061 -4.041 0.000
z 0.000 0.000 4.969
Polar
3z2-r29.938
x2-y22.076
xy-10.061
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.912 -0.349 0.000
y -0.349 11.207 0.000
z 0.000 0.000 8.420


<r2> (average value of r2) Å2
<r2> 232.272
(<r2>)1/2 15.240