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All results from a given calculation for C5H8O2 (Acetylacetone)

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 C2 1A
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-345.396386
Energy at 298.15K-345.404708
HF Energy-345.396386
Nuclear repulsion energy294.889159
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 A 3105 3087 5.55      
2 A 3044 3026 2.64      
3 A 3012 2994 2.32      
4 A 2969 2952 0.07      
5 A 1757 1746 19.57      
6 A 1397 1389 5.83      
7 A 1390 1381 17.55      
8 A 1377 1369 8.85      
9 A 1312 1304 9.17      
10 A 1221 1214 20.98      
11 A 1088 1082 1.19      
12 A 1023 1017 0.77      
13 A 900 894 1.04      
14 A 771 767 0.36      
15 A 603 599 2.44      
16 A 472 469 3.98      
17 A 316 314 0.85      
18 A 188 187 0.34      
19 A 138 137 0.50      
20 A 70 70 6.09      
21 B 3105 3087 5.18      
22 B 3092 3074 5.15      
23 B 3043 3026 0.04      
24 B 2969 2952 4.47      
25 B 1729 1719 303.30      
26 B 1390 1381 1.72      
27 B 1384 1376 22.54      
28 B 1309 1301 109.94      
29 B 1174 1167 150.74      
30 B 1141 1134 156.82      
31 B 1013 1007 8.79      
32 B 945 940 1.00      
33 B 859 854 28.52      
34 B 792 787 14.94      
35 B 528 525 26.79      
36 B 484 481 0.72      
37 B 404 402 0.99      
38 B 188 187 1.07      
39 B 41 41 8.84      

Unscaled Zero Point Vibrational Energy (zpe) 25868.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 25718.7 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
0.13480 0.06562 0.05150

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.025
C2 0.000 1.235 0.106
C3 0.000 -1.235 0.106
C4 -1.367 1.740 -0.298
C5 1.367 -1.740 -0.298
O6 1.049 1.715 -0.304
O7 -1.049 -1.715 -0.304
H8 -0.913 -0.033 1.647
H9 0.913 0.033 1.647
H10 -1.279 2.507 -1.088
H11 -1.990 0.887 -0.639
H12 -1.883 2.172 0.586
H13 1.279 -2.507 -1.088
H14 1.990 -0.887 -0.639
H15 1.883 -2.172 0.586

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53961.53962.57812.57812.41002.41001.10581.10583.51952.74132.90753.51952.74132.9075
C21.53962.47081.51213.29941.22433.15802.19522.15762.16322.15342.15674.13153.00303.9221
C31.53962.47083.29941.51213.15801.22432.15762.19524.13153.00303.92212.16322.15342.1567
C42.57811.51213.29944.42572.41623.46962.67103.44941.10451.11061.11065.06634.27615.1617
C52.57813.29941.51214.42573.46962.41623.44942.67105.06634.27615.16171.10451.11061.1106
O62.41001.22433.15802.41623.46964.02073.27352.57982.58133.16783.09784.30042.78654.0733
O72.41003.15801.22433.46962.41624.02072.57983.27354.30042.78654.07332.58133.16783.0978
H81.10582.19522.15762.67103.44943.27352.57981.82813.75082.68932.63194.29073.79283.6767
H91.10582.15762.19523.44942.67102.57983.27351.82814.29073.79283.67673.75082.68932.6319
H103.51952.16324.13151.10455.06632.58134.30043.75084.29071.82581.81065.62954.73365.8899
H112.74132.15343.00301.11064.27613.16782.78652.68933.79281.82581.77864.73364.35715.0844
H122.90752.15673.92211.11065.16173.09784.07332.63193.67671.81061.77865.88995.08445.7482
H133.51954.13152.16325.06631.10454.30042.58134.29073.75085.62954.73365.88991.82581.8106
H142.74133.00302.15344.27611.11062.78653.16783.79282.68934.73364.35715.08441.82581.7786
H152.90753.92212.15675.16171.11064.07333.09783.67672.63195.88995.08445.74821.81061.7786

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.300 C1 C2 O6 120.948
C1 C3 C5 115.300 C1 C3 O7 120.948
C2 C1 C3 106.721 C2 C1 H8 111.096
C2 C1 H9 108.171 C2 C4 H10 110.559
C2 C4 H11 109.429 C2 C4 H12 109.684
C3 C1 H8 108.171 C3 C1 H9 111.096
C3 C5 H13 110.559 C3 C5 H14 109.429
C3 C5 H15 109.684 C4 C2 O6 123.663
C5 C3 O7 123.663 H8 C1 H9 111.494
H10 C4 H11 111.027 H10 C4 H12 109.646
H11 C4 H12 106.405 H13 C5 H14 111.027
H13 C5 H15 109.646 H14 C5 H15 106.405
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 0.006      
2 C -0.014      
3 C -0.014      
4 C -0.031      
5 C -0.031      
6 O -0.175      
7 O -0.175      
8 H 0.036      
9 H 0.036      
10 H 0.050      
11 H 0.068      
12 H 0.063      
13 H 0.050      
14 H 0.068      
15 H 0.063      


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 1.407 1.407
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.047 -8.300 0.000
y -8.300 -44.997 0.000
z 0.000 0.000 -40.337
Traceless
 xyz
x -0.379 -8.300 0.000
y -8.300 -3.305 0.000
z 0.000 0.000 3.685
Polar
3z2-r27.370
x2-y21.951
xy-8.300
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.899 -0.717 0.000
y -0.717 10.424 0.000
z 0.000 0.000 7.448


<r2> (average value of r2) Å2
<r2> 230.277
(<r2>)1/2 15.175