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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: M06-2X/6-311G*

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/6-311G*
 hartrees
Energy at 0K-345.728942
Energy at 298.15K-345.737459
HF Energy-345.728942
Nuclear repulsion energy298.204307
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/6-311G*
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 3191 3191 5.70      
2 A 3134 3134 3.26      
3 A 3114 3114 1.50      
4 A 3066 3066 0.36      
5 A 1874 1874 25.26      
6 A 1497 1497 1.72      
7 A 1492 1492 26.75      
8 A 1480 1480 10.09      
9 A 1406 1406 11.13      
10 A 1293 1293 23.98      
11 A 1160 1160 2.16      
12 A 1091 1091 0.61      
13 A 951 951 0.96      
14 A 809 809 0.16      
15 A 631 631 1.77      
16 A 500 500 7.63      
17 A 322 322 0.82      
18 A 187 187 0.13      
19 A 138 138 1.07      
20 A 66 66 7.25      
21 B 3191 3191 4.38      
22 B 3187 3187 4.71      
23 B 3134 3134 0.47      
24 B 3066 3066 1.82      
25 B 1849 1849 360.74      
26 B 1492 1492 8.68      
27 B 1490 1490 24.46      
28 B 1405 1405 109.79      
29 B 1278 1278 143.08      
30 B 1206 1206 129.34      
31 B 1072 1072 3.47      
32 B 1010 1010 0.79      
33 B 910 910 14.49      
34 B 818 818 7.55      
35 B 556 556 27.39      
36 B 503 503 1.31      
37 B 419 419 1.62      
38 B 188 188 0.58      
39 B 35 35 11.32      

Unscaled Zero Point Vibrational Energy (zpe) 27104.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 27104.4 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/6-311G*
ABC
0.13709 0.06721 0.05286

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.032
C2 0.000 1.218 0.108
C3 0.000 -1.218 0.108
C4 -1.358 1.718 -0.312
C5 1.358 -1.718 -0.312
O6 1.034 1.688 -0.289
O7 -1.034 -1.688 -0.289
H8 -0.900 -0.031 1.646
H9 0.900 0.031 1.646
H10 -1.256 2.457 -1.104
H11 -1.975 0.878 -0.642
H12 -1.862 2.169 0.547
H13 1.256 -2.457 -1.104
H14 1.975 -0.878 -0.642
H15 1.862 -2.169 0.547

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52911.52912.56982.56982.38002.38001.09001.09003.49012.73442.89923.49012.73442.8992
C21.52912.43601.50683.26211.20303.10992.17662.14162.14082.13992.13654.06872.97643.8897
C31.52912.43603.26211.50683.10991.20302.14162.17664.06872.97643.88972.14082.13992.1365
C42.56981.50683.26214.38012.39213.42172.66553.43241.08801.09321.09364.98964.23815.1201
C52.56983.26211.50684.38013.42172.39213.43242.66554.98964.23815.12011.08801.09321.0936
O62.38001.20303.10992.39213.42173.95883.23132.55162.54963.13593.05244.23042.75634.0323
O72.38003.10991.20303.42172.39213.95882.55163.23134.23042.75634.03232.54963.13593.0524
H81.09002.17662.14162.66553.43243.23132.55161.80123.72612.68722.64034.25473.77133.6615
H91.09002.14162.17663.43242.66552.55163.23131.80124.25473.77133.66153.72612.68722.6403
H103.49012.14084.06871.08804.98962.54964.23043.72614.25471.79521.78275.51964.66725.8182
H112.73442.13992.97641.09324.23813.13592.75632.68723.77131.79521.75864.66724.32345.0423
H122.89922.13653.88971.09365.12013.05244.03232.64033.66151.78271.75865.81825.04235.7168
H133.49014.06872.14084.98961.08804.23042.54964.25473.72615.51964.66725.81821.79521.7827
H142.73442.97642.13994.23811.09322.75633.13593.77132.68724.66724.32345.04231.79521.7586
H152.89923.88972.13655.12011.09364.03233.05243.66152.64035.81825.04235.71681.78271.7586

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.651 C1 C2 O6 120.713
C1 C3 C5 115.651 C1 C3 O7 120.713
C2 C1 C3 105.600 C2 C1 H8 111.301
C2 C1 H9 108.542 C2 C4 H10 110.133
C2 C4 H11 109.752 C2 C4 H12 109.459
C3 C1 H8 108.542 C3 C1 H9 111.301
C3 C5 H13 110.133 C3 C5 H14 109.752
C3 C5 H15 109.459 C4 C2 O6 123.556
C5 C3 O7 123.556 H8 C1 H9 111.417
H10 C4 H11 110.775 H10 C4 H12 109.600
H11 C4 H12 107.064 H13 C5 H14 110.775
H13 C5 H15 109.600 H14 C5 H15 107.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.650      
2 C 0.333      
3 C 0.333      
4 C -0.751      
5 C -0.751      
6 O -0.309      
7 O -0.309      
8 H 0.273      
9 H 0.273      
10 H 0.259      
11 H 0.267      
12 H 0.253      
13 H 0.259      
14 H 0.267      
15 H 0.253      


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 1.589 1.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.015 -9.037 0.000
y -9.037 -45.891 0.000
z 0.000 0.000 -40.495
Traceless
 xyz
x -0.822 -9.037 0.000
y -9.037 -3.637 0.000
z 0.000 0.000 4.458
Polar
3z2-r28.917
x2-y21.877
xy-9.037
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.318 -0.319 0.000
y -0.319 9.107 0.000
z 0.000 0.000 7.174


<r2> (average value of r2) Å2
<r2> 226.062
(<r2>)1/2 15.035