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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 3 no    

Conformer 1 (C2)

Jump to S1C2 S1C3
Vibrational Frequencies calculated at M06-2X/6-31G*
Rotational Constants (cm-1) from geometry optimized at M06-2X/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 ()

Jump to S1C1 S1C3
Vibrational Frequencies calculated at M06-2X/6-31G*
Rotational Constants (cm-1) from geometry optimized at M06-2X/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 ()

Jump to S1C1 S1C2
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-345.635923
Energy at 298.15K 
HF Energy-345.635923
Nuclear repulsion energy297.737015
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*
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 3213 3043 4.83      
2 A 3152 2985 2.59      
3 A 3126 2960 1.06      
4 A 3082 2918 0.42      
5 A 1891 1791 21.71      
6 A 1504 1424 16.17      
7 A 1502 1422 6.83      
8 A 1487 1408 10.03      
9 A 1415 1340 10.27      
10 A 1296 1228 26.72      
11 A 1160 1098 1.35      
12 A 1091 1033 0.53      
13 A 958 907 0.57      
14 A 811 768 0.17      
15 A 631 597 1.32      
16 A 497 471 7.83      
17 A 323 306 0.83      
18 A 180 171 0.17      
19 A 137 130 0.93      
20 A 65 62 7.11      
21 B 3213 3042 4.08      
22 B 3198 3028 3.42      
23 B 3152 2985 0.33      
24 B 3082 2918 1.41      
25 B 1867 1768 317.88      
26 B 1502 1422 2.02      
27 B 1497 1418 22.91      
28 B 1415 1340 103.26      
29 B 1280 1212 145.84      
30 B 1213 1149 117.84      
31 B 1075 1018 2.94      
32 B 1010 957 0.84      
33 B 914 865 11.31      
34 B 823 779 7.17      
35 B 553 523 26.93      
36 B 500 473 1.33      
37 B 418 395 1.27      
38 B 181 171 0.50      
39 B 29 28 11.70      

Unscaled Zero Point Vibrational Energy (zpe) 27219.4 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 25776.8 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*
ABC
0.13629 0.06720 0.05279

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.035
C2 0.000 1.219 0.111
C3 0.000 -1.219 0.111
C4 -1.358 1.716 -0.318
C5 1.358 -1.716 -0.318
O6 1.040 1.691 -0.286
O7 -1.040 -1.691 -0.286
H8 -0.902 -0.030 1.650
H9 0.902 0.030 1.650
H10 -1.252 2.462 -1.105
H11 -1.962 0.869 -0.662
H12 -1.877 2.154 0.542
H13 1.252 -2.462 -1.105
H14 1.962 -0.869 -0.662
H15 1.877 -2.154 0.542

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52951.52952.57222.57222.38432.38431.09221.09223.49432.73572.89933.49432.73572.8993
C21.52952.43811.50793.26181.20923.11532.17752.14412.14302.13752.14054.07422.96763.8841
C31.52952.43813.26181.50793.11531.20922.14412.17754.07422.96763.88412.14302.13752.1405
C42.57221.50793.26184.37572.39823.42112.66963.43821.09011.09561.09564.98874.22115.1162
C52.57223.26181.50794.37573.42112.39823.43822.66964.98874.22115.11621.09011.09561.0956
O62.38431.20923.11532.39823.42113.96973.23732.55502.55363.13483.06724.23802.74624.0209
O72.38433.11531.20923.42112.39823.96972.55503.23734.23802.74624.02092.55363.13483.0672
H81.09222.17752.14412.66963.43823.23732.55501.80453.73142.69812.63604.26023.77533.6692
H91.09222.14412.17753.43822.66962.55503.23731.80454.26023.77533.66923.73142.69812.6360
H103.49432.14304.07421.09014.98872.55364.23803.73144.26021.79931.78775.52494.65005.8150
H112.73572.13752.96761.09564.22113.13482.74622.69813.77531.79931.76334.65004.29105.0321
H122.89932.14053.88411.09565.11623.06724.02092.63603.66921.78771.76335.81505.03215.7140
H133.49434.07422.14304.98871.09014.23802.55364.26023.73145.52494.65005.81501.79931.7877
H142.73572.96762.13754.22111.09562.74623.13483.77532.69814.65004.29105.03211.79931.7633
H152.89933.88412.14055.11621.09564.02093.06723.66922.63605.81505.03215.71401.78771.7633

picture of Acetylacetone state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.738 C1 C2 O6 120.614
C1 C3 C5 115.738 C1 C3 O7 120.614
C2 C1 C3 105.692 C2 C1 H8 111.218
C2 C1 H9 108.587 C2 C4 H10 110.113
C2 C4 H11 109.349 C2 C4 H12 109.582
C3 C1 H8 108.587 C3 C1 H9 111.218
C3 C5 H13 110.113 C3 C5 H14 109.349
C3 C5 H15 109.582 C4 C2 O6 123.547
C5 C3 O7 123.547 H8 C1 H9 111.403
H10 C4 H11 110.820 H10 C4 H12 109.758
H11 C4 H12 107.166 H13 C5 H14 110.820
H13 C5 H15 109.758 H14 C5 H15 107.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.452      
2 C 0.424      
3 C 0.424      
4 C -0.566      
5 C -0.566      
6 O -0.429      
7 O -0.429      
8 H 0.197      
9 H 0.197      
10 H 0.200      
11 H 0.210      
12 H 0.190      
13 H 0.200      
14 H 0.210      
15 H 0.190      


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 1.522 1.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.344 -8.939 0.000
y -8.939 -45.219 0.000
z 0.000 0.000 -39.959
Traceless
 xyz
x -0.754 -8.939 0.000
y -8.939 -3.568 0.000
z 0.000 0.000 4.322
Polar
3z2-r28.644
x2-y21.876
xy-8.939
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.905 -0.163 0.000
y -0.163 8.671 0.000
z 0.000 0.000 6.810


<r2> (average value of r2) Å2
<r2> 225.939
(<r2>)1/2 15.031