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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: M06-2X/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-345.665970
Energy at 298.15K-345.674528
HF Energy-345.665970
Nuclear repulsion energy298.710727
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 M06-2X/6-31G(2df,p)
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 3194 3042 4.43      
2 A 3139 2989 2.08      
3 A 3108 2960 1.23      
4 A 3062 2916 0.27      
5 A 1885 1796 22.70      
6 A 1477 1406 15.63      
7 A 1474 1404 4.69      
8 A 1458 1389 9.36      
9 A 1388 1322 9.94      
10 A 1277 1217 24.25      
11 A 1141 1086 0.89      
12 A 1082 1031 0.49      
13 A 943 898 0.80      
14 A 807 769 0.22      
15 A 631 601 1.15      
16 A 496 473 7.54      
17 A 322 307 0.85      
18 A 194 185 0.10      
19 A 143 136 0.59      
20 A 68 65 6.78      
21 B 3194 3042 3.51      
22 B 3186 3035 3.72      
23 B 3138 2989 0.08      
24 B 3062 2916 1.46      
25 B 1861 1772 319.42      
26 B 1474 1404 1.33      
27 B 1469 1399 20.58      
28 B 1386 1320 100.63      
29 B 1254 1194 141.14      
30 B 1196 1139 114.25      
31 B 1065 1014 2.59      
32 B 998 951 0.88      
33 B 904 861 13.31      
34 B 816 777 8.02      
35 B 550 524 25.98      
36 B 503 479 2.04      
37 B 416 397 1.58      
38 B 195 186 0.41      
39 B 51 49 11.70      

Unscaled Zero Point Vibrational Energy (zpe) 27004.6 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 25719.2 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 M06-2X/6-31G(2df,p)
ABC
0.13650 0.06796 0.05335

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.040
C2 0.000 1.213 0.109
C3 0.000 -1.213 0.109
C4 -1.362 1.701 -0.313
C5 1.362 -1.701 -0.313
O6 1.032 1.680 -0.294
O7 -1.032 -1.680 -0.294
H8 -0.903 -0.030 1.652
H9 0.903 0.030 1.652
H10 -1.268 2.439 -1.108
H11 -1.963 0.846 -0.637
H12 -1.871 2.144 0.549
H13 1.268 -2.439 -1.108
H14 1.963 -0.846 -0.637
H15 1.871 -2.144 0.549

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52891.52892.56492.56492.38042.38041.09061.09063.48892.71732.88763.48892.71732.8876
C21.52892.42531.50693.24391.20263.09732.17682.14322.14332.13182.13574.05262.94103.8679
C31.52892.42533.24391.50693.09731.20262.14322.17684.05262.94103.86792.14332.13182.1357
C42.56491.50693.24394.35822.39443.39692.65833.43201.08881.09451.09444.96904.20115.0969
C52.56493.24391.50694.35823.39692.39443.43202.65834.96904.20115.09691.08881.09451.0944
O62.38041.20263.09732.39443.39693.94313.23292.55402.55613.12823.05864.20482.71364.0042
O72.38043.09731.20263.39692.39443.94312.55403.23294.20482.71364.00422.55613.12823.0586
H81.09062.17682.14322.65833.43203.23292.55401.80613.72102.67052.62304.25823.75733.6575
H91.09062.14322.17683.43202.65832.55403.23291.80614.25823.75733.65753.72102.67052.6230
H103.48892.14334.05261.08884.96902.55614.20483.72104.25821.80021.78765.49804.63215.7969
H112.71732.13182.94101.09454.20113.12822.71362.67053.75731.80021.76064.63214.27545.0048
H122.88762.13573.86791.09445.09693.05864.00422.62303.65751.78761.76065.79695.00485.6911
H133.48894.05262.14334.96901.08884.20482.55614.25823.72105.49804.63215.79691.80021.7876
H142.71732.94102.13184.20111.09452.71363.12823.75732.67054.63214.27545.00481.80021.7606
H152.88763.86792.13575.09691.09444.00423.05863.65752.62305.79695.00485.69111.78761.7606

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.316 C1 C2 O6 120.792
C1 C3 C5 115.316 C1 C3 O7 120.792
C2 C1 C3 104.955 C2 C1 H8 111.301
C2 C1 H9 108.644 C2 C4 H10 110.283
C2 C4 H11 109.037 C2 C4 H12 109.345
C3 C1 H8 108.644 C3 C1 H9 111.301
C3 C5 H13 110.283 C3 C5 H14 109.037
C3 C5 H15 109.345 C4 C2 O6 123.793
C5 C3 O7 123.793 H8 C1 H9 111.797
H10 C4 H11 111.084 H10 C4 H12 109.929
H11 C4 H12 107.093 H13 C5 H14 111.084
H13 C5 H15 109.929 H14 C5 H15 107.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.414      
2 C 0.389      
3 C 0.389      
4 C -0.509      
5 C -0.509      
6 O -0.324      
7 O -0.324      
8 H 0.150      
9 H 0.150      
10 H 0.162      
11 H 0.179      
12 H 0.160      
13 H 0.162      
14 H 0.179      
15 H 0.160      


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 1.494 1.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.044 -8.639 0.000
y -8.639 -44.799 0.000
z 0.000 0.000 -39.805
Traceless
 xyz
x -0.742 -8.639 0.000
y -8.639 -3.375 0.000
z 0.000 0.000 4.117
Polar
3z2-r28.233
x2-y21.755
xy-8.639
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.191 -0.353 0.000
y -0.353 9.155 0.000
z 0.000 0.000 7.221


<r2> (average value of r2) Å2
<r2> 223.990
(<r2>)1/2 14.966