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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-345.893950
Energy at 298.15K-345.902382
HF Energy-345.893950
Nuclear repulsion energy295.925725
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/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 3143 3039 8.76      
2 A 3087 2985 7.57      
3 A 3068 2966 3.19      
4 A 3029 2928 0.39      
5 A 1807 1747 23.30      
6 A 1478 1429 4.81      
7 A 1474 1425 20.97      
8 A 1461 1413 8.15      
9 A 1386 1340 5.22      
10 A 1269 1227 24.95      
11 A 1142 1104 1.99      
12 A 1078 1042 0.70      
13 A 935 904 2.03      
14 A 784 758 0.21      
15 A 626 605 1.86      
16 A 489 473 6.06      
17 A 322 311 0.79      
18 A 170 165 0.05      
19 A 143 138 1.00      
20 A 62 60 7.41      
21 B 3143 3039 10.11      
22 B 3134 3030 7.42      
23 B 3087 2984 0.98      
24 B 3029 2928 3.58      
25 B 1780 1721 336.04      
26 B 1473 1424 0.90      
27 B 1467 1418 27.98      
28 B 1386 1340 93.52      
29 B 1253 1211 100.15      
30 B 1183 1144 191.53      
31 B 1061 1025 10.57      
32 B 999 966 0.72      
33 B 889 860 30.75      
34 B 795 768 11.86      
35 B 549 530 27.57      
36 B 501 485 0.94      
37 B 412 398 1.36      
38 B 171 165 0.35      
39 B 42 40 10.62      

Unscaled Zero Point Vibrational Energy (zpe) 26652.5 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 25767.6 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/6-311G**
ABC
0.13811 0.06478 0.05115

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.006
C2 0.000 1.240 0.100
C3 0.000 -1.240 0.100
C4 -1.358 1.775 -0.291
C5 1.358 -1.775 -0.291
O6 1.039 1.714 -0.298
O7 -1.039 -1.714 -0.298
H8 -0.898 -0.034 1.624
H9 0.898 0.034 1.624
H10 -1.252 2.544 -1.055
H11 -1.991 0.958 -0.649
H12 -1.853 2.198 0.590
H13 1.252 -2.544 -1.055
H14 1.991 -0.958 -0.649
H15 1.853 -2.198 0.590

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53631.53632.58382.58382.39112.39111.09061.09063.50512.76052.90483.50512.76052.9048
C21.53632.48071.51063.32991.20893.15652.18042.14132.14462.14582.14244.14963.05873.9366
C31.53632.48073.32991.51063.15651.20892.14132.18044.14963.05873.93662.14462.14582.1424
C42.58381.51063.32994.46962.39733.50322.67403.43311.08901.09411.09515.10354.33705.1835
C52.58383.32991.51064.46963.50322.39733.43312.67405.10354.33705.18351.08901.09411.0951
O62.39111.20893.15652.39733.50324.00773.24052.55662.55123.14213.06324.32922.85764.0932
O72.39113.15651.20893.50322.39734.00772.55663.24054.32922.85764.09322.55123.14213.0632
H81.09062.18042.14132.67403.43313.24052.55661.79733.73452.71012.63904.25413.79023.6496
H91.09062.14132.18043.43312.67402.55663.24051.79734.25413.79023.64963.73452.71012.6390
H103.50512.14464.14961.08905.10352.55124.32923.73454.25411.79611.78475.67014.78965.9016
H112.76052.14583.05871.09414.33703.14212.85762.71013.79021.79611.75864.78964.41865.1252
H122.90482.14243.93661.09515.18353.06324.09322.63903.64961.78471.75865.90165.12525.7497
H133.50514.14962.14465.10351.08904.32922.55124.25413.73455.67014.78965.90161.79611.7847
H142.76053.05872.14584.33701.09412.85763.14213.79022.71014.78964.41865.12521.79611.7586
H152.90483.93662.14245.18351.09514.09323.06323.64962.63905.90165.12525.74971.78471.7586

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.993 C1 C2 O6 120.691
C1 C3 C5 115.993 C1 C3 O7 120.691
C2 C1 C3 107.683 C2 C1 H8 111.068
C2 C1 H9 108.003 C2 C4 H10 110.111
C2 C4 H11 109.900 C2 C4 H12 109.577
C3 C1 H8 108.003 C3 C1 H9 111.068
C3 C5 H13 110.111 C3 C5 H14 109.900
C3 C5 H15 109.577 C4 C2 O6 123.273
C5 C3 O7 123.273 H8 C1 H9 110.981
H10 C4 H11 110.716 H10 C4 H12 109.589
H11 C4 H12 106.889 H13 C5 H14 110.716
H13 C5 H15 109.589 H14 C5 H15 106.889
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.285      
2 C 0.182      
3 C 0.182      
4 C -0.299      
5 C -0.299      
6 O -0.288      
7 O -0.288      
8 H 0.143      
9 H 0.143      
10 H 0.135      
11 H 0.140      
12 H 0.129      
13 H 0.135      
14 H 0.140      
15 H 0.129      


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 1.574 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.041 -9.108 0.000
y -9.108 -45.844 0.000
z 0.000 0.000 -40.540
Traceless
 xyz
x -0.849 -9.108 0.000
y -9.108 -3.554 0.000
z 0.000 0.000 4.403
Polar
3z2-r28.806
x2-y21.803
xy-9.108
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.676 -0.487 0.000
y -0.487 9.809 0.000
z 0.000 0.000 7.393


<r2> (average value of r2) Å2
<r2> 231.446
(<r2>)1/2 15.213