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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B3LYPultrafine/3-21G

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/3-21G
 hartrees
Energy at 0K-343.890131
Energy at 298.15K-343.898827
HF Energy-343.890131
Nuclear repulsion energy296.428823
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/3-21G
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 3164 3053 8.08      
2 A 3111 3002 2.26      
3 A 3103 2994 2.77      
4 A 3049 2942 0.19      
5 A 1759 1697 10.76      
6 A 1540 1486 22.30      
7 A 1532 1478 1.01      
8 A 1511 1458 16.61      
9 A 1437 1387 4.98      
10 A 1278 1233 29.88      
11 A 1160 1120 5.57      
12 A 1124 1084 3.64      
13 A 950 917 2.58      
14 A 786 758 0.02      
15 A 641 619 1.35      
16 A 475 458 5.36      
17 A 339 328 0.97      
18 A 219 211 0.37      
19 A 156 150 0.36      
20 A 77 74 6.22      
21 B 3182 3070 3.63      
22 B 3164 3053 6.08      
23 B 3103 2994 0.02      
24 B 3049 2942 3.21      
25 B 1735 1675 176.79      
26 B 1539 1485 6.34      
27 B 1527 1473 34.41      
28 B 1438 1387 114.82      
29 B 1282 1237 52.90      
30 B 1177 1136 219.70      
31 B 1080 1042 24.39      
32 B 1050 1013 1.18      
33 B 894 863 46.75      
34 B 776 749 12.72      
35 B 545 526 22.66      
36 B 510 492 5.25      
37 B 427 412 0.68      
38 B 218 211 1.41      
39 B 52 50 11.87      

Unscaled Zero Point Vibrational Energy (zpe) 27079.2 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 26128.7 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/3-21G
ABC
0.13089 0.06859 0.05305

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.054
C2 0.000 1.221 0.115
C3 0.000 -1.221 0.115
C4 -1.393 1.631 -0.319
C5 1.393 -1.631 -0.319
O6 1.048 1.724 -0.295
O7 -1.048 -1.724 -0.295
H8 -0.905 -0.014 1.663
H9 0.905 0.014 1.663
H10 -1.343 2.340 -1.147
H11 -1.949 0.731 -0.609
H12 -1.923 2.090 0.525
H13 1.343 -2.340 -1.147
H14 1.949 -0.731 -0.609
H15 1.923 -2.090 0.525

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54051.54052.54682.54682.42722.42721.09101.09103.48182.66432.88913.48182.66432.8891
C21.54052.44241.51563.20381.23263.15312.17732.16212.15572.13622.15004.00972.85183.8512
C31.54052.44243.20381.51563.15311.23262.16212.17734.00972.85183.85122.15572.13622.1500
C42.54681.51563.20384.29012.44293.37322.62133.43901.09121.09721.09754.89284.10275.0555
C52.54683.20381.51564.29013.37322.44293.43902.62134.89284.10275.05551.09121.09721.0975
O62.42721.23263.15312.44293.37324.03553.26622.60422.61143.17293.10394.16312.63403.9986
O72.42723.15311.23263.37322.44294.03552.60423.26624.16312.63403.99862.61143.17293.1039
H81.09102.17732.16212.62133.43903.26622.60421.81033.69152.60892.59934.28503.71793.6886
H91.09102.16212.17733.43902.62132.60423.26621.81034.28503.71793.68863.69152.60892.5993
H103.48182.15574.00971.09124.89282.61144.16313.69154.28501.80201.78785.39584.53375.7523
H112.66432.13622.85181.09724.10273.17292.63402.60893.71791.80201.77074.53374.16304.9232
H122.88912.15003.85121.09755.05553.10393.99862.59933.68861.78781.77075.75234.92325.6806
H133.48184.00972.15574.89281.09124.16312.61144.28503.69155.39584.53375.75231.80201.7878
H142.66432.85182.13624.10271.09722.63403.17293.71792.60894.53374.16304.92321.80201.7707
H152.88913.85122.15005.05551.09753.99863.10393.68862.59935.75234.92325.68061.78781.7707

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.885 C1 C2 O6 121.759
C1 C3 C5 112.885 C1 C3 O7 121.759
C2 C1 C3 104.878 C2 C1 H8 110.497
C2 C1 H9 109.300 C2 C4 H10 110.514
C2 C4 H11 108.631 C2 C4 H12 109.688
C3 C1 H8 109.300 C3 C1 H9 110.497
C3 C5 H13 110.514 C3 C5 H14 108.631
C3 C5 H15 109.688 C4 C2 O6 125.159
C5 C3 O7 125.159 H8 C1 H9 112.125
H10 C4 H11 110.852 H10 C4 H12 109.531
H11 C4 H12 107.567 H13 C5 H14 110.852
H13 C5 H15 109.531 H14 C5 H15 107.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.548      
2 C 0.430      
3 C 0.430      
4 C -0.635      
5 C -0.635      
6 O -0.434      
7 O -0.434      
8 H 0.230      
9 H 0.230      
10 H 0.225      
11 H 0.236      
12 H 0.223      
13 H 0.225      
14 H 0.236      
15 H 0.223      


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 1.428 1.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.388 -8.525 0.000
y -8.525 -45.897 0.000
z 0.000 0.000 -40.413
Traceless
 xyz
x -0.232 -8.525 0.000
y -8.525 -3.997 0.000
z 0.000 0.000 4.229
Polar
3z2-r28.459
x2-y22.510
xy-8.525
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.447 -0.243 0.000
y -0.243 8.342 0.000
z 0.000 0.000 6.292


<r2> (average value of r2) Å2
<r2> 225.144
(<r2>)1/2 15.005