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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-345.773103
Energy at 298.15K-345.781349
HF Energy-345.773103
Nuclear repulsion energy293.200184
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 BLYP/6-311G**
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 3065 3053 10.62      
2 A 3006 2995 9.29      
3 A 2993 2981 3.91      
4 A 2954 2943 0.32      
5 A 1721 1715 19.91      
6 A 1441 1435 2.04      
7 A 1437 1431 19.15      
8 A 1425 1419 8.44      
9 A 1343 1338 3.46      
10 A 1222 1217 24.30      
11 A 1105 1101 2.55      
12 A 1041 1037 0.49      
13 A 898 895 3.29      
14 A 750 747 0.30      
15 A 603 601 2.27      
16 A 470 468 4.31      
17 A 314 313 0.75      
18 A 168 167 0.09      
19 A 139 138 0.89      
20 A 65 64 6.69      
21 B 3065 3053 12.81      
22 B 3057 3045 8.97      
23 B 3006 2994 0.92      
24 B 2954 2943 5.54      
25 B 1693 1686 308.78      
26 B 1437 1431 1.07      
27 B 1432 1426 28.29      
28 B 1343 1338 81.11      
29 B 1202 1198 62.69      
30 B 1132 1127 235.49      
31 B 1025 1021 23.11      
32 B 969 965 1.61      
33 B 846 843 55.39      
34 B 755 752 23.31      
35 B 531 529 26.05      
36 B 483 481 0.69      
37 B 402 401 1.08      
38 B 168 167 0.46      
39 B 38 37 9.04      

Unscaled Zero Point Vibrational Energy (zpe) 25848.9 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 25748.1 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 BLYP/6-311G**
ABC
0.13571 0.06347 0.05010

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.012
C2 0.000 1.255 0.101
C3 0.000 -1.255 0.101
C4 -1.371 1.790 -0.291
C5 1.371 -1.790 -0.291
O6 1.048 1.736 -0.302
O7 -1.048 -1.736 -0.302
H8 -0.903 -0.034 1.633
H9 0.903 0.034 1.633
H10 -1.268 2.563 -1.060
H11 -2.008 0.966 -0.648
H12 -1.870 2.216 0.594
H13 1.268 -2.563 -1.060
H14 2.008 -0.966 -0.648
H15 1.870 -2.216 0.594

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.55111.55112.60412.60412.41622.41621.09691.09693.53152.77902.92973.53152.77902.9297
C21.55112.51041.52293.36251.22103.19522.19712.15772.16032.16262.15974.18743.08693.9739
C31.55112.51043.36251.52293.19521.22102.15772.19714.18743.08693.97392.16032.16262.1597
C42.60411.52293.36254.50962.41933.54132.69223.45801.09551.10081.10195.14844.37545.2286
C52.60413.36251.52294.50963.54132.41933.45802.69225.14844.37545.22861.09551.10081.1019
O62.41621.22103.19522.41933.54134.05603.26882.58102.57343.17023.08964.37132.88944.1356
O72.41623.19521.22103.54132.41934.05602.58103.26884.37132.88944.13562.57343.17023.0896
H81.09692.19712.15772.69223.45803.26882.58101.80823.75942.72522.66054.28563.81463.6787
H91.09692.15772.19713.45802.69222.58103.26881.80824.28563.81463.67873.75942.72522.6605
H103.53152.16034.18741.09555.14842.57344.37133.75944.28561.80701.79455.71904.83335.9521
H112.77902.16263.08691.10084.37543.17022.88942.72523.81461.80701.76794.83334.45705.1685
H122.92972.15973.97391.10195.22863.08964.13562.66053.67871.79451.76795.95215.16855.7996
H133.53154.18742.16035.14841.09554.37132.57344.28563.75945.71904.83335.95211.80701.7945
H142.77903.08692.16264.37541.10082.88943.17023.81462.72524.83334.45705.16851.80701.7679
H152.92973.97392.15975.22861.10194.13563.08963.67872.66055.95215.16855.79961.79451.7679

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.798 C1 C2 O6 120.832
C1 C3 C5 115.798 C1 C3 O7 120.832
C2 C1 C3 108.039 C2 C1 H8 110.974
C2 C1 H9 107.907 C2 C4 H10 110.116
C2 C4 H11 109.978 C2 C4 H12 109.695
C3 C1 H8 107.907 C3 C1 H9 110.974
C3 C5 H13 110.116 C3 C5 H14 109.978
C3 C5 H15 109.695 C4 C2 O6 123.322
C5 C3 O7 123.322 H8 C1 H9 111.014
H10 C4 H11 110.722 H10 C4 H12 109.508
H11 C4 H12 106.760 H13 C5 H14 110.722
H13 C5 H15 109.508 H14 C5 H15 106.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.261      
2 C 0.158      
3 C 0.158      
4 C -0.287      
5 C -0.287      
6 O -0.259      
7 O -0.259      
8 H 0.133      
9 H 0.133      
10 H 0.127      
11 H 0.133      
12 H 0.124      
13 H 0.127      
14 H 0.133      
15 H 0.124      


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 1.491 1.491
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.218 -8.825 0.000
y -8.825 -46.048 0.000
z 0.000 0.000 -40.941
Traceless
 xyz
x -0.723 -8.825 0.000
y -8.825 -3.469 0.000
z 0.000 0.000 4.192
Polar
3z2-r28.384
x2-y21.830
xy-8.825
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.168 -0.690 0.000
y -0.690 10.820 0.000
z 0.000 0.000 7.695


<r2> (average value of r2) Å2
<r2> 235.642
(<r2>)1/2 15.351