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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-345.396394
Energy at 298.15K-345.404726
HF Energy-345.396394
Nuclear repulsion energy294.917356
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 PBEPBEultrafine/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3105 3087 5.56      
2 A 3044 3026 2.59      
3 A 3010 2993 2.34      
4 A 2969 2952 0.07      
5 A 1756 1746 19.28      
6 A 1396 1388 6.78      
7 A 1390 1382 16.62      
8 A 1377 1369 8.77      
9 A 1313 1305 9.11      
10 A 1221 1214 21.33      
11 A 1088 1081 1.13      
12 A 1023 1017 0.78      
13 A 901 896 1.04      
14 A 771 767 0.36      
15 A 604 600 2.43      
16 A 472 469 4.02      
17 A 317 315 0.86      
18 A 188 187 0.35      
19 A 139 138 0.48      
20 A 70 70 6.08      
21 B 3104 3086 5.12      
22 B 3091 3073 5.10      
23 B 3044 3026 0.05      
24 B 2969 2952 4.53      
25 B 1729 1719 303.91      
26 B 1390 1382 1.62      
27 B 1384 1376 22.83      
28 B 1310 1302 109.10      
29 B 1172 1165 149.62      
30 B 1141 1135 158.19      
31 B 1013 1008 8.76      
32 B 946 941 1.04      
33 B 860 855 28.45      
34 B 792 787 14.95      
35 B 528 525 26.80      
36 B 484 482 0.76      
37 B 404 402 0.99      
38 B 188 187 0.95      
39 B 44 44 8.99      

Unscaled Zero Point Vibrational Energy (zpe) 25872.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 25722.8 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 PBEPBEultrafine/cc-pVDZ
ABC
0.13470 0.06568 0.05154

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.026
C2 0.000 1.235 0.107
C3 0.000 -1.235 0.107
C4 -1.367 1.737 -0.301
C5 1.367 -1.737 -0.301
O6 1.049 1.716 -0.301
O7 -1.049 -1.716 -0.301
H8 -0.914 -0.033 1.648
H9 0.914 0.033 1.648
H10 -1.279 2.504 -1.091
H11 -1.986 0.881 -0.643
H12 -1.887 2.167 0.582
H13 1.279 -2.504 -1.091
H14 1.986 -0.881 -0.643
H15 1.887 -2.167 0.582

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53971.53972.57782.57782.41012.41011.10581.10583.51942.74002.90723.51942.74002.9072
C21.53972.47071.51213.29681.22433.15922.19522.15752.16342.15272.15694.12952.99793.9191
C31.53972.47073.29681.51213.15921.22432.15752.19524.12952.99793.91912.16342.15272.1569
C42.57781.51213.29684.42052.41633.46782.67143.44991.10451.11061.11065.06074.26805.1578
C52.57783.29681.51214.42053.46782.41633.44992.67145.06074.26805.15781.10451.11061.1106
O62.41011.22433.15922.41633.46784.02333.27322.57922.58173.16703.09864.29962.78244.0695
O72.41013.15921.22433.46782.41634.02332.57923.27324.29962.78244.06952.58173.16703.0986
H81.10582.19522.15752.67143.44993.27322.57921.82833.75112.69012.63144.29123.79193.6784
H91.10582.15752.19523.44992.67142.57923.27321.82834.29123.79193.67843.75112.69012.6314
H103.51942.16344.12951.10455.06072.58174.29963.75114.29121.82591.81085.62354.72475.8852
H112.74002.15272.99791.11064.26803.16702.78242.69013.79191.82591.77864.72474.34625.0784
H122.90722.15693.91911.11065.15783.09864.06952.63143.67841.81081.77865.88525.07845.7461
H133.51944.12952.16345.06071.10454.29962.58174.29123.75115.62354.72475.88521.82591.8108
H142.74002.99792.15274.26801.11062.78243.16703.79192.69014.72474.34625.07841.82591.7786
H152.90723.91912.15695.15781.11064.06953.09863.67842.63145.88525.07845.74611.81081.7786

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.278 C1 C2 O6 120.952
C1 C3 C5 115.278 C1 C3 O7 120.952
C2 C1 C3 106.709 C2 C1 H8 111.094
C2 C1 H9 108.167 C2 C4 H10 110.571
C2 C4 H11 109.379 C2 C4 H12 109.700
C3 C1 H8 108.167 C3 C1 H9 111.094
C3 C5 H13 110.571 C3 C5 H14 109.379
C3 C5 H15 109.700 C4 C2 O6 123.677
C5 C3 O7 123.677 H8 C1 H9 111.517
H10 C4 H11 111.035 H10 C4 H12 109.661
H11 C4 H12 106.405 H13 C5 H14 111.035
H13 C5 H15 109.661 H14 C5 H15 106.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 C -0.014      
3 C -0.014      
4 C -0.031      
5 C -0.031      
6 O -0.175      
7 O -0.175      
8 H 0.036      
9 H 0.036      
10 H 0.050      
11 H 0.068      
12 H 0.063      
13 H 0.050      
14 H 0.068      
15 H 0.063      


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 1.397 1.397
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.046 -8.304 0.000
y -8.304 -45.028 0.000
z 0.000 0.000 -40.329
Traceless
 xyz
x -0.367 -8.304 0.000
y -8.304 -3.341 0.000
z 0.000 0.000 3.708
Polar
3z2-r27.416
x2-y21.982
xy-8.304
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.900 -0.711 0.000
y -0.711 10.420 0.000
z 0.000 0.000 7.449


<r2> (average value of r2) Å2
<r2> 230.161
(<r2>)1/2 15.171