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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: PBE1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBE1PBE/TZVP
 hartrees
Energy at 0K-345.517961
Energy at 298.15K-345.526419
HF Energy-345.517961
Nuclear repulsion energy297.331663
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 PBE1PBE/TZVP
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 3178 3050 5.30      
2 A 3122 2996 3.48      
3 A 3096 2971 1.65      
4 A 3054 2930 0.39      
5 A 1836 1762 22.01      
6 A 1474 1415 9.36      
7 A 1468 1409 21.79      
8 A 1456 1397 7.91      
9 A 1390 1334 6.93      
10 A 1282 1231 23.16      
11 A 1147 1101 1.56      
12 A 1078 1035 0.84      
13 A 943 905 0.72      
14 A 799 767 0.14      
15 A 629 603 1.52      
16 A 496 476 6.05      
17 A 325 312 0.90      
18 A 164 157 0.01      
19 A 144 138 1.17      
20 A 58 55 8.40      
21 B 3178 3050 5.93      
22 B 3169 3041 4.14      
23 B 3122 2996 0.05      
24 B 3053 2930 1.35      
25 B 1806 1733 377.20      
26 B 1468 1408 0.70      
27 B 1462 1403 28.77      
28 B 1387 1331 111.47      
29 B 1258 1208 145.86      
30 B 1199 1151 156.32      
31 B 1062 1019 5.35      
32 B 994 954 1.20      
33 B 901 864 20.47      
34 B 820 787 9.96      
35 B 556 533 24.92      
36 B 505 484 1.15      
37 B 413 396 1.92      
38 B 163 156 0.22      
39 B 49 47 12.11      

Unscaled Zero Point Vibrational Energy (zpe) 26850.1 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 25765.4 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 PBE1PBE/TZVP
ABC
0.13911 0.06560 0.05169

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.999
C2 0.000 1.232 0.099
C3 0.000 -1.232 0.099
C4 -1.349 1.752 -0.302
C5 1.349 -1.752 -0.302
O6 1.036 1.718 -0.281
O7 -1.036 -1.718 -0.281
H8 -0.899 -0.030 1.616
H9 0.899 0.030 1.616
H10 -1.247 2.518 -1.068
H11 -1.978 0.930 -0.656
H12 -1.848 2.176 0.575
H13 1.247 -2.518 -1.068
H14 1.978 -0.930 -0.656
H15 1.848 -2.176 0.575

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52561.52562.56512.56512.38002.38001.09041.09043.48842.74142.88623.48842.74142.8862
C21.52562.46371.50003.29881.20633.14972.16822.13362.13822.13832.12924.12053.02563.9059
C31.52562.46373.29881.50003.14971.20632.13362.16824.12053.02563.90592.13822.13832.1292
C42.56511.50003.29884.42172.38553.48392.65623.41931.08861.09391.09475.05534.28745.1397
C52.56513.29881.50004.42173.48392.38553.41932.65625.05534.28745.13971.08861.09391.0947
O62.38001.20633.14972.38553.48394.01303.22482.54292.54443.13793.04354.31372.83524.0690
O72.38003.14971.20633.48392.38554.01302.54293.22484.31372.83524.06902.54443.13793.0435
H81.09042.16822.13362.65623.41933.22482.54291.79843.71752.69232.61774.24243.77423.6376
H91.09042.13362.16823.41932.65622.54293.22481.79844.24243.77423.63763.71752.69232.6177
H103.48842.13824.12051.08865.05532.54444.31373.71754.24241.79591.78315.61954.73875.8579
H112.74142.13833.02561.09394.28743.13792.83522.69233.77421.79591.75684.73874.37065.0793
H122.88622.12923.90591.09475.13973.04354.06902.61773.63761.78311.75685.85795.07935.7099
H133.48844.12052.13825.05531.08864.31372.54444.24243.71755.61954.73875.85791.79591.7831
H142.74143.02562.13834.28741.09392.83523.13793.77422.69234.73874.37065.07931.79591.7568
H152.88623.90592.12925.13971.09474.06903.04353.63762.61775.85795.07935.70991.78311.7568

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.946 C1 C2 O6 120.752
C1 C3 C5 115.946 C1 C3 O7 120.752
C2 C1 C3 107.696 C2 C1 H8 110.860
C2 C1 H9 108.141 C2 C4 H10 110.370
C2 C4 H11 110.062 C2 C4 H12 109.297
C3 C1 H8 108.141 C3 C1 H9 110.860
C3 C5 H13 110.370 C3 C5 H14 110.062
C3 C5 H15 109.297 C4 C2 O6 123.275
C5 C3 O7 123.275 H8 C1 H9 111.099
H10 C4 H11 110.743 H10 C4 H12 109.513
H11 C4 H12 106.779 H13 C5 H14 110.743
H13 C5 H15 109.513 H14 C5 H15 106.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.247      
2 C 0.148      
3 C 0.148      
4 C -0.396      
5 C -0.396      
6 O -0.251      
7 O -0.251      
8 H 0.162      
9 H 0.162      
10 H 0.154      
11 H 0.163      
12 H 0.142      
13 H 0.154      
14 H 0.163      
15 H 0.142      


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 1.594 1.594
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.966 -9.923 0.000
y -9.923 -46.166 0.000
z 0.000 0.000 -40.224
Traceless
 xyz
x -0.771 -9.923 0.000
y -9.923 -4.071 0.000
z 0.000 0.000 4.842
Polar
3z2-r29.684
x2-y22.200
xy-9.923
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.066 -0.205 0.000
y -0.205 10.120 0.000
z 0.000 0.000 7.678


<r2> (average value of r2) Å2
<r2> 229.168
(<r2>)1/2 15.138