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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-345.842389
Energy at 298.15K-345.850794
HF Energy-345.842389
Nuclear repulsion energy295.133882
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 B3LYP/aug-cc-pVDZ
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 3156 3063 6.81      
2 A 3096 3004 5.75      
3 A 3075 2984 3.12      
4 A 3031 2942 0.57      
5 A 1784 1732 21.07      
6 A 1457 1414 7.09      
7 A 1448 1405 15.99      
8 A 1435 1392 5.47      
9 A 1370 1330 5.25      
10 A 1265 1228 19.08      
11 A 1133 1100 1.04      
12 A 1063 1032 0.49      
13 A 935 907 1.15      
14 A 786 763 0.12      
15 A 623 604 1.50      
16 A 485 471 6.34      
17 A 322 312 0.91      
18 A 168 164 0.00      
19 A 142 138 1.06      
20 A 54 53 8.50      
21 B 3156 3063 8.49      
22 B 3147 3054 5.99      
23 B 3096 3004 0.25      
24 B 3031 2942 2.67      
25 B 1755 1703 375.30      
26 B 1448 1405 0.61      
27 B 1439 1396 25.89      
28 B 1368 1328 88.92      
29 B 1238 1201 128.45      
30 B 1185 1150 149.76      
31 B 1052 1020 7.18      
32 B 982 953 1.12      
33 B 892 865 23.05      
34 B 804 780 11.21      
35 B 545 529 27.07      
36 B 498 483 1.47      
37 B 410 398 2.52      
38 B 167 162 0.06      
39 B 45 44 12.27      

Unscaled Zero Point Vibrational Energy (zpe) 26543.1 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 25757.4 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 B3LYP/aug-cc-pVDZ
ABC
0.13782 0.06432 0.05079

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.003
C2 0.000 1.242 0.100
C3 0.000 -1.242 0.100
C4 -1.351 1.782 -0.301
C5 1.351 -1.782 -0.301
O6 1.047 1.726 -0.285
O7 -1.047 -1.726 -0.285
H8 -0.904 -0.032 1.622
H9 0.904 0.032 1.622
H10 -1.239 2.564 -1.058
H11 -1.985 0.964 -0.674
H12 -1.855 2.194 0.587
H13 1.239 -2.564 -1.058
H14 1.985 -0.964 -0.674
H15 1.855 -2.194 0.587

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53551.53552.58862.58862.39472.39471.09611.09613.51522.77152.90293.51522.77152.9029
C21.53552.48431.50943.33641.21633.17112.18072.14452.15022.14872.14094.16703.06713.9351
C31.53552.48433.33641.50943.17111.21632.14452.18074.16703.06713.93512.15022.14872.1409
C42.58861.50943.33644.47272.39943.52132.68073.44201.09461.09981.10105.11564.33725.1843
C52.58863.33641.50944.47273.52132.39943.44202.68075.11564.33725.18431.09461.09981.1010
O62.39471.21633.17112.39943.52134.03823.24532.55492.55463.15093.06614.36382.87554.0965
O72.39473.17111.21633.52132.39944.03822.55493.24534.36382.87554.09652.55463.15093.0661
H81.09612.18072.14452.68073.44203.24532.55491.80903.74612.72592.63214.26473.80623.6548
H91.09612.14452.18073.44202.68072.55493.24531.80904.26473.80623.65483.74612.72592.6321
H103.51522.15024.16701.09465.11562.55464.36383.74614.26471.80711.79565.69534.79465.9091
H112.77152.14873.06711.09984.33723.15092.87552.72593.80621.80711.76654.79464.41375.1292
H122.90292.14093.93511.10105.18433.06614.09652.63213.65481.79561.76655.90915.12925.7460
H133.51524.16702.15025.11561.09464.36382.55464.26473.74615.69534.79465.90911.80711.7956
H142.77153.06712.14874.33721.09982.87553.15093.80622.72594.79464.41375.12921.80711.7665
H152.90293.93512.14095.18431.10104.09653.06613.65482.63215.90915.12925.74601.79561.7665

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.454 C1 C2 O6 120.526
C1 C3 C5 116.454 C1 C3 O7 120.526
C2 C1 C3 107.983 C2 C1 H8 110.814
C2 C1 H9 107.988 C2 C4 H10 110.312
C2 C4 H11 109.882 C2 C4 H12 109.201
C3 C1 H8 107.988 C3 C1 H9 110.814
C3 C5 H13 110.312 C3 C5 H14 109.882
C3 C5 H15 109.201 C4 C2 O6 122.995
C5 C3 O7 122.995 H8 C1 H9 111.217
H10 C4 H11 110.872 H10 C4 H12 109.735
H11 C4 H12 106.762 H13 C5 H14 110.872
H13 C5 H15 109.735 H14 C5 H15 106.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.220      
2 C 0.257      
3 C 0.257      
4 C 0.746      
5 C 0.746      
6 O -0.584      
7 O -0.584      
8 H -0.473      
9 H -0.473      
10 H -0.281      
11 H -0.180      
12 H -0.095      
13 H -0.281      
14 H -0.180      
15 H -0.095      


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 1.610 1.610
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.774 -10.116 0.000
y -10.116 -46.733 0.000
z 0.000 0.000 -40.735
Traceless
 xyz
x -1.040 -10.116 0.000
y -10.116 -3.978 0.000
z 0.000 0.000 5.018
Polar
3z2-r210.037
x2-y21.958
xy-10.116
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.027 -0.352 0.000
y -0.352 11.289 0.000
z 0.000 0.000 8.488


<r2> (average value of r2) Å2
<r2> 233.030
(<r2>)1/2 15.265