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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-345.755095
Energy at 298.15K-345.763548
HF Energy-345.755095
Nuclear repulsion energy296.649267
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 mPW1PW91/aug-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 3194 3061 5.98      
2 A 3134 3003 4.31      
3 A 3103 2973 2.47      
4 A 3058 2930 0.43      
5 A 1822 1746 20.61      
6 A 1459 1398 11.45      
7 A 1451 1391 13.88      
8 A 1436 1377 7.36      
9 A 1376 1319 8.08      
10 A 1277 1224 17.00      
11 A 1137 1090 0.87      
12 A 1067 1022 0.60      
13 A 941 902 0.55      
14 A 801 768 0.10      
15 A 627 600 1.51      
16 A 489 469 6.60      
17 A 322 308 0.94      
18 A 172 165 0.00      
19 A 142 136 0.94      
20 A 56 53 8.59      
21 B 3194 3061 7.11      
22 B 3182 3050 4.80      
23 B 3134 3003 0.11      
24 B 3058 2930 2.05      
25 B 1792 1718 384.94      
26 B 1452 1391 0.70      
27 B 1442 1382 25.87      
28 B 1372 1315 111.90      
29 B 1246 1195 186.81      
30 B 1195 1146 87.00      
31 B 1054 1010 4.28      
32 B 981 940 1.22      
33 B 901 863 15.17      
34 B 825 790 8.43      
35 B 547 525 27.51      
36 B 502 481 1.80      
37 B 409 392 2.62      
38 B 171 164 0.10      
39 B 47 45 12.53      

Unscaled Zero Point Vibrational Energy (zpe) 26783.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 25666.3 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 mPW1PW91/aug-cc-pVDZ
ABC
0.13842 0.06538 0.05152

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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 1.233 0.101
C3 0.000 -1.233 0.101
C4 -1.346 1.757 -0.309
C5 1.346 -1.757 -0.309
O6 1.043 1.720 -0.277
O7 -1.043 -1.720 -0.277
H8 -0.904 -0.032 1.620
H9 0.904 0.032 1.620
H10 -1.237 2.533 -1.070
H11 -1.971 0.931 -0.676
H12 -1.855 2.171 0.574
H13 1.237 -2.533 -1.070
H14 1.971 -0.931 -0.676
H15 1.855 -2.171 0.574

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52711.52712.57262.57262.38422.38421.09471.09473.49892.75122.88733.49892.75122.8873
C21.52712.46511.50183.30401.21213.15432.17302.13672.14312.13992.13174.13283.02833.9045
C31.52712.46513.30401.50183.15431.21212.13672.17304.13283.02833.90452.14312.13992.1317
C42.57261.50183.30404.42662.39043.49012.66723.42891.09281.09821.09925.06504.28555.1430
C52.57263.30401.50184.42663.49012.39043.42892.66725.06504.28555.14301.09281.09821.0992
O62.38421.21213.15432.39043.49014.02373.23372.54312.54773.14143.05404.33062.83724.0643
O72.38423.15431.21213.49012.39044.02372.54313.23374.33062.83724.06432.54773.14143.0540
H81.09472.17302.13672.66723.42893.23372.54311.80823.73162.70872.61734.25143.78713.6441
H91.09472.13672.17303.42892.66722.54313.23371.80824.25143.78713.64413.73162.70872.6173
H103.49892.14314.13281.09285.06502.54774.33063.73164.25141.80531.79305.63764.73795.8638
H112.75122.13993.02831.09824.28553.14142.83722.70873.78711.80531.76344.73794.36005.0814
H122.88732.13173.90451.09925.14303.05404.06432.61733.64411.79301.76345.86385.08145.7105
H133.49894.13282.14315.06501.09284.33062.54774.25143.73165.63764.73795.86381.80531.7930
H142.75123.02832.13994.28551.09822.83723.14143.78712.70874.73794.36005.08141.80531.7634
H152.88733.90452.13175.14301.09924.06433.05403.64412.61735.86385.08145.71051.79301.7634

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.281 C1 C2 O6 120.573
C1 C3 C5 116.281 C1 C3 O7 120.573
C2 C1 C3 107.625 C2 C1 H8 110.873
C2 C1 H9 108.031 C2 C4 H10 110.381
C2 C4 H11 109.802 C2 C4 H12 109.106
C3 C1 H8 108.031 C3 C1 H9 110.873
C3 C5 H13 110.381 C3 C5 H14 109.802
C3 C5 H15 109.106 C4 C2 O6 123.118
C5 C3 O7 123.118 H8 C1 H9 111.354
H10 C4 H11 110.965 H10 C4 H12 109.766
H11 C4 H12 106.737 H13 C5 H14 110.965
H13 C5 H15 109.766 H14 C5 H15 106.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.793      
2 C 0.308      
3 C 0.308      
4 C 0.320      
5 C 0.320      
6 O -0.634      
7 O -0.634      
8 H -0.277      
9 H -0.277      
10 H -0.130      
11 H -0.037      
12 H 0.054      
13 H -0.130      
14 H -0.037      
15 H 0.054      


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 1.577 1.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.088 -10.060 0.000
y -10.060 -46.211 0.000
z 0.000 0.000 -40.172
Traceless
 xyz
x -0.897 -10.060 0.000
y -10.060 -4.081 0.000
z 0.000 0.000 4.977
Polar
3z2-r29.955
x2-y22.123
xy-10.060
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.784 -0.303 0.000
y -0.303 10.969 0.000
z 0.000 0.000 8.311


<r2> (average value of r2) Å2
<r2> 229.908
(<r2>)1/2 15.163