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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-345.794720
Energy at 298.15K-345.803124
HF Energy-345.794720
Nuclear repulsion energy295.403695
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 B3LYPultrafine/6-31G*
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 3170 3036 8.00      
2 A 3110 2979 6.72      
3 A 3089 2959 2.99      
4 A 3050 2922 0.50      
5 A 1826 1750 19.55      
6 A 1504 1441 8.36      
7 A 1501 1438 13.37      
8 A 1489 1427 5.65      
9 A 1413 1354 5.34      
10 A 1282 1228 28.17      
11 A 1155 1106 2.10      
12 A 1088 1043 0.90      
13 A 947 908 1.33      
14 A 789 756 0.19      
15 A 627 600 1.38      
16 A 486 466 6.50      
17 A 321 307 0.78      
18 A 171 164 0.14      
19 A 144 138 0.99      
20 A 60 57 7.22      
21 B 3169 3036 9.08      
22 B 3154 3021 7.28      
23 B 3110 2979 1.09      
24 B 3050 2922 3.34      
25 B 1800 1724 297.53      
26 B 1501 1438 0.98      
27 B 1496 1433 24.94      
28 B 1414 1354 81.07      
29 B 1267 1214 94.67      
30 B 1198 1147 194.81      
31 B 1072 1027 8.41      
32 B 1012 970 0.64      
33 B 901 863 25.38      
34 B 802 768 11.07      
35 B 546 524 26.40      
36 B 498 477 0.85      
37 B 411 393 1.31      
38 B 171 164 0.42      
39 B 48 46 10.87      

Unscaled Zero Point Vibrational Energy (zpe) 26919.2 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 25788.6 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 B3LYPultrafine/6-31G*
ABC
0.13677 0.06492 0.05115

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.013
C2 0.000 1.240 0.104
C3 0.000 -1.240 0.104
C4 -1.360 1.763 -0.302
C5 1.360 -1.763 -0.302
O6 1.045 1.720 -0.290
O7 -1.045 -1.720 -0.290
H8 -0.899 -0.031 1.634
H9 0.899 0.031 1.634
H10 -1.255 2.533 -1.069
H11 -1.981 0.936 -0.668
H12 -1.874 2.185 0.572
H13 1.255 -2.533 -1.069
H14 1.981 -0.936 -0.668
H15 1.874 -2.185 0.572

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53751.53752.58602.58602.39722.39721.09311.09313.51072.76132.91183.51072.76132.9118
C21.53752.48091.51263.32221.21533.16372.18262.14702.15022.14772.14964.14603.04283.9321
C31.53752.48093.32221.51263.16371.21532.14702.18264.14603.04283.93212.15022.14772.1496
C42.58601.51263.32224.45362.40513.49712.67933.44251.09171.09681.09775.08754.31095.1775
C52.58603.32221.51264.45363.49712.40513.44252.67935.08754.31095.17751.09171.09681.0977
O62.39721.21533.16372.40513.49714.02413.24742.56392.56083.14813.07834.32812.84134.0835
O72.39723.16371.21533.49712.40514.02412.56393.24744.32812.84134.08352.56083.14813.0783
H81.09312.18262.14702.67933.44253.24742.56391.79943.74242.72072.64344.26683.79613.6681
H91.09312.14702.18263.44252.67932.56393.24741.79944.26683.79613.66813.74242.72072.6434
H103.51072.15024.14601.09175.08752.56084.32813.74244.26681.79891.78795.65324.76115.8938
H112.76132.14773.04281.09684.31093.14812.84132.72073.79611.79891.76244.76114.38235.1123
H122.91182.14963.93211.09775.17753.07834.08352.64343.66811.78791.76245.89385.11235.7564
H133.51074.14602.15025.08751.09174.32812.56084.26683.74245.65324.76115.89381.79891.7879
H142.76133.04282.14774.31091.09682.84133.14813.79612.72074.76114.38235.11231.79891.7624
H152.91183.93212.14965.17751.09774.08353.07833.66812.64345.89385.11235.75641.78791.7624

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.951 C1 C2 O6 120.665
C1 C3 C5 115.951 C1 C3 O7 120.665
C2 C1 C3 107.568 C2 C1 H8 111.009
C2 C1 H9 108.215 C2 C4 H10 110.254
C2 C4 H11 109.757 C2 C4 H12 109.849
C3 C1 H8 108.215 C3 C1 H9 111.009
C3 C5 H13 110.254 C3 C5 H14 109.757
C3 C5 H15 109.849 C4 C2 O6 123.323
C5 C3 O7 123.323 H8 C1 H9 110.787
H10 C4 H11 110.569 H10 C4 H12 109.495
H11 C4 H12 106.855 H13 C5 H14 110.569
H13 C5 H15 109.495 H14 C5 H15 106.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.414      
2 C 0.440      
3 C 0.440      
4 C -0.531      
5 C -0.531      
6 O -0.426      
7 O -0.426      
8 H 0.174      
9 H 0.174      
10 H 0.181      
11 H 0.194      
12 H 0.175      
13 H 0.181      
14 H 0.194      
15 H 0.175      


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 1.509 1.509
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.269 -9.039 0.000
y -9.039 -45.160 0.000
z 0.000 0.000 -39.859
Traceless
 xyz
x -0.759 -9.039 0.000
y -9.039 -3.597 0.000
z 0.000 0.000 4.356
Polar
3z2-r28.712
x2-y21.891
xy-9.039
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.027 -0.248 0.000
y -0.248 9.138 0.000
z 0.000 0.000 6.791


<r2> (average value of r2) Å2
<r2> 231.118
(<r2>)1/2 15.203