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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: BLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-345.573627
Energy at 298.15K-345.581911
HF Energy-345.573627
Nuclear repulsion energy291.043079
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/6-31G
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 3094 3071 10.64      
2 A 3026 3003 9.37      
3 A 3013 2990 3.54      
4 A 2967 2944 0.50      
5 A 1653 1641 10.23      
6 A 1481 1470 4.91      
7 A 1479 1467 17.55      
8 A 1465 1454 11.19      
9 A 1393 1382 2.36      
10 A 1249 1239 29.29      
11 A 1131 1122 2.82      
12 A 1069 1061 1.50      
13 A 937 930 1.71      
14 A 761 755 0.05      
15 A 611 607 1.88      
16 A 466 462 4.74      
17 A 323 320 0.89      
18 A 172 171 0.28      
19 A 142 141 0.97      
20 A 61 60 8.10      
21 B 3094 3071 12.05      
22 B 3081 3058 8.59      
23 B 3026 3003 1.11      
24 B 2967 2944 5.27      
25 B 1628 1616 209.55      
26 B 1479 1467 3.01      
27 B 1472 1461 37.20      
28 B 1393 1382 82.85      
29 B 1248 1239 34.45      
30 B 1162 1153 272.96      
31 B 1044 1036 32.47      
32 B 1007 999 2.04      
33 B 878 872 47.09      
34 B 771 765 19.28      
35 B 526 522 26.52      
36 B 486 483 0.84      
37 B 407 404 1.22      
38 B 171 170 0.86      
39 B 28 28 10.43      

Unscaled Zero Point Vibrational Energy (zpe) 26179.7 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 25980.7 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 BLYP/6-31G
ABC
0.13287 0.06300 0.04945

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.012
C2 0.000 1.261 0.109
C3 0.000 -1.261 0.109
C4 -1.366 1.783 -0.308
C5 1.366 -1.783 -0.308
O6 1.078 1.764 -0.286
O7 -1.078 -1.764 -0.286
H8 -0.904 -0.022 1.638
H9 0.904 0.022 1.638
H10 -1.261 2.558 -1.080
H11 -1.990 0.951 -0.681
H12 -1.893 2.210 0.566
H13 1.261 -2.558 -1.080
H14 1.990 -0.951 -0.681
H15 1.893 -2.210 0.566

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.55091.55092.60512.60512.44092.44091.10001.10003.53612.78062.94353.53612.78062.9435
C21.55092.52161.52083.36231.25323.23562.19092.16582.16402.16362.16624.19303.07853.9795
C31.55092.52163.36231.52083.23561.25322.16582.19094.19303.07853.97952.16402.16362.1662
C42.60511.52083.36234.49262.44423.55922.69343.47021.09861.10491.10595.13204.34525.2276
C52.60513.36231.52084.49263.55922.44423.47022.69345.13204.34525.22761.09861.10491.1059
O62.44091.25323.23562.44423.55924.13503.28912.60122.59373.19853.12224.39812.89184.1454
O72.44093.23561.25323.55922.44424.13502.60123.28914.39812.89184.14542.59373.19853.1222
H81.10002.19092.16582.69343.47023.28912.60121.80943.76332.73892.66534.30133.82353.7094
H91.10002.16582.19093.47022.69342.60123.28911.80944.30133.82353.70943.76332.73892.6653
H103.53612.16404.19301.09865.13202.59374.39813.76334.30131.80891.79705.70284.79985.9482
H112.78062.16363.07851.10494.34523.19852.89182.73893.82351.80891.77484.79984.41165.1599
H122.94352.16623.97951.10595.22763.12224.14542.66533.70941.79701.77485.94825.15995.8192
H133.53614.19302.16405.13201.09864.39812.59374.30133.76335.70284.79985.94821.80891.7970
H142.78063.07852.16364.34521.10492.89183.19853.82352.73894.79984.41165.15991.80891.7748
H152.94353.97952.16625.22761.10594.14543.12223.70942.66535.94825.15995.81921.79701.7748

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.011 C1 C2 O6 120.663
C1 C3 C5 116.011 C1 C3 O7 120.663
C2 C1 C3 108.777 C2 C1 H8 110.323
C2 C1 H9 108.374 C2 C4 H10 110.368
C2 C4 H11 109.958 C2 C4 H12 110.113
C3 C1 H8 108.374 C3 C1 H9 110.323
C3 C5 H13 110.368 C3 C5 H14 109.958
C3 C5 H15 110.113 C4 C2 O6 123.258
C5 C3 O7 123.258 H8 C1 H9 110.653
H10 C4 H11 110.343 H10 C4 H12 109.202
H11 C4 H12 106.790 H13 C5 H14 110.343
H13 C5 H15 109.202 H14 C5 H15 106.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.320      
2 C 0.326      
3 C 0.326      
4 C -0.431      
5 C -0.431      
6 O -0.369      
7 O -0.369      
8 H 0.150      
9 H 0.150      
10 H 0.157      
11 H 0.172      
12 H 0.155      
13 H 0.157      
14 H 0.172      
15 H 0.155      


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 1.520 1.520
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.026 -10.064 0.000
y -10.064 -46.167 0.000
z 0.000 0.000 -40.331
Traceless
 xyz
x -0.777 -10.064 0.000
y -10.064 -3.989 0.000
z 0.000 0.000 4.766
Polar
3z2-r29.531
x2-y22.141
xy-10.064
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.441 -0.179 0.000
y -0.179 9.984 0.000
z 0.000 0.000 6.776


<r2> (average value of r2) Å2
<r2> 237.744
(<r2>)1/2 15.419