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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: mPW1PW91/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-345.837409
Energy at 298.15K-345.845877
HF Energy-345.837409
Nuclear repulsion energy297.501620
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-pVTZ
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 3176 3043 5.25      
2 A 3119 2989 3.38      
3 A 3095 2965 1.78      
4 A 3054 2926 0.43      
5 A 1828 1751 21.21      
6 A 1477 1415 11.51      
7 A 1472 1410 13.32      
8 A 1457 1396 6.85      
9 A 1389 1331 6.42      
10 A 1281 1227 20.25      
11 A 1145 1097 1.28      
12 A 1081 1035 0.77      
13 A 942 903 0.90      
14 A 798 765 0.11      
15 A 631 604 1.53      
16 A 492 471 6.28      
17 A 322 308 0.87      
18 A 168 161 0.00      
19 A 143 137 0.95      
20 A 58 55 8.48      
21 B 3176 3043 6.43      
22 B 3165 3033 4.33      
23 B 3119 2988 0.03      
24 B 3054 2926 1.42      
25 B 1797 1722 390.94      
26 B 1472 1410 0.63      
27 B 1463 1402 27.59      
28 B 1387 1329 97.90      
29 B 1256 1203 136.34      
30 B 1199 1148 152.36      
31 B 1063 1018 5.72      
32 B 996 954 1.35      
33 B 901 863 21.88      
34 B 818 783 10.62      
35 B 552 528 26.92      
36 B 503 482 1.59      
37 B 408 391 2.49      
38 B 168 161 0.09      
39 B 50 48 12.21      

Unscaled Zero Point Vibrational Energy (zpe) 26834.8 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 25710.4 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 mPW1PW91/aug-cc-pVTZ
ABC
0.13948 0.06553 0.05166

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.997
C2 0.000 1.233 0.099
C3 0.000 -1.233 0.099
C4 -1.346 1.754 -0.305
C5 1.346 -1.754 -0.305
O6 1.036 1.720 -0.276
O7 -1.036 -1.720 -0.276
H8 -0.897 -0.031 1.612
H9 0.897 0.031 1.612
H10 -1.243 2.527 -1.061
H11 -1.968 0.935 -0.671
H12 -1.852 2.164 0.572
H13 1.243 -2.527 -1.061
H14 1.968 -0.935 -0.671
H15 1.852 -2.164 0.572

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52471.52472.56562.56562.37752.37751.08781.08783.48722.74352.87923.48722.74352.8792
C21.52472.46521.49923.30071.20523.15192.16532.12952.13642.13412.12594.12583.02713.8971
C31.52472.46523.30071.49923.15191.20522.12952.16534.12583.02713.89712.13642.13412.1259
C42.56561.49923.30074.42202.38323.48792.65723.41641.08611.09141.09225.05934.28335.1326
C52.56563.30071.49924.42203.48792.38323.41642.65725.05934.28335.13261.08611.09141.0922
O62.37751.20523.15192.38323.48794.01663.21972.53672.54173.13033.04244.32382.84134.0583
O72.37753.15191.20523.48792.38324.01662.53673.21974.32382.84134.05832.54173.13033.0424
H81.08782.16532.12952.65723.41643.21972.53671.79453.71532.70002.60944.23623.77263.6305
H91.08782.12952.16533.41642.65722.53673.21971.79454.23623.77263.63053.71532.70002.6094
H103.48722.13644.12581.08615.05932.54174.32383.71534.23621.79231.78045.63144.73725.8516
H112.74352.13413.02711.09144.28333.13032.84132.70003.77261.79231.75214.73724.35735.0730
H122.87922.12593.89711.09225.13263.04244.05832.60943.63051.78041.75215.85165.07305.6957
H133.48724.12582.13645.05931.08614.32382.54174.23623.71535.63144.73725.85161.79231.7804
H142.74353.02712.13414.28331.09142.84133.13033.77262.70004.73724.35735.07301.79231.7521
H152.87923.89712.12595.13261.09224.05833.04243.63052.60945.85165.07305.69571.78041.7521

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.082 C1 C2 O6 120.682
C1 C3 C5 116.082 C1 C3 O7 120.682
C2 C1 C3 107.891 C2 C1 H8 110.849
C2 C1 H9 108.035 C2 C4 H10 110.436
C2 C4 H11 109.938 C2 C4 H12 109.231
C3 C1 H8 108.035 C3 C1 H9 110.849
C3 C5 H13 110.436 C3 C5 H14 109.938
C3 C5 H15 109.231 C4 C2 O6 123.211
C5 C3 O7 123.211 H8 C1 H9 111.144
H10 C4 H11 110.796 H10 C4 H12 109.638
H11 C4 H12 106.720 H13 C5 H14 110.796
H13 C5 H15 109.638 H14 C5 H15 106.720
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.048      
2 C 0.665      
3 C 0.665      
4 C -0.605      
5 C -0.605      
6 O -0.849      
7 O -0.849      
8 H 0.163      
9 H 0.163      
10 H 0.196      
11 H 0.228      
12 H 0.225      
13 H 0.196      
14 H 0.228      
15 H 0.225      


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 1.558 1.558
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.852 -9.946 0.000
y -9.946 -46.060 0.000
z 0.000 0.000 -40.076
Traceless
 xyz
x -0.784 -9.946 0.000
y -9.946 -4.096 0.000
z 0.000 0.000 4.880
Polar
3z2-r29.760
x2-y22.208
xy-9.946
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.702 -0.317 0.000
y -0.317 10.915 0.000
z 0.000 0.000 8.273


<r2> (average value of r2) Å2
<r2> 229.079
(<r2>)1/2 15.135