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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-345.698699
Energy at 298.15K-345.706865
HF Energy-345.698699
Nuclear repulsion energy291.864638
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/6-31+G**
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 3081 3065 7.76      
2 A 3020 3004 6.72      
3 A 3002 2986 3.83      
4 A 2963 2947 0.46      
5 A 1710 1701 19.26      
6 A 1445 1437 2.52      
7 A 1440 1432 20.71      
8 A 1427 1419 6.19      
9 A 1350 1342 2.26      
10 A 1225 1218 22.86      
11 A 1108 1102 2.07      
12 A 1038 1033 0.33      
13 A 905 900 2.05      
14 A 751 747 0.15      
15 A 601 598 1.97      
16 A 466 463 4.22      
17 A 315 313 0.83      
18 A 155 154 0.01      
19 A 138 138 1.19      
20 A 56 55 8.53      
21 B 3081 3065 10.99      
22 B 3068 3052 6.46      
23 B 3019 3003 0.32      
24 B 2962 2947 5.21      
25 B 1679 1670 373.81      
26 B 1440 1432 1.44      
27 B 1433 1425 31.56      
28 B 1349 1342 76.34      
29 B 1209 1202 66.73      
30 B 1137 1131 247.37      
31 B 1026 1020 19.51      
32 B 968 963 2.07      
33 B 854 850 48.47      
34 B 764 760 23.05      
35 B 529 526 24.13      
36 B 480 477 0.87      
37 B 400 398 1.84      
38 B 155 154 0.19      
39 B 40 40 10.71      

Unscaled Zero Point Vibrational Energy (zpe) 25893.5 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 25756.3 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 BLYP/6-31+G**
ABC
0.13576 0.06237 0.04927

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.999
C2 0.000 1.263 0.099
C3 0.000 -1.263 0.099
C4 -1.363 1.813 -0.298
C5 1.363 -1.813 -0.298
O6 1.060 1.758 -0.286
O7 -1.060 -1.758 -0.286
H8 -0.905 -0.031 1.623
H9 0.905 0.031 1.623
H10 -1.250 2.603 -1.053
H11 -2.005 1.001 -0.680
H12 -1.869 2.225 0.593
H13 1.250 -2.603 -1.053
H14 2.005 -1.001 -0.680
H15 1.869 -2.225 0.593

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.55131.55132.61342.61342.42152.42151.09961.09963.54252.80042.93433.54252.80042.9343
C21.55132.52671.52253.38851.23103.22452.19492.15902.16412.16712.15924.22363.12353.9884
C31.55132.52673.38851.52253.22451.23102.15902.19494.22363.12353.98842.16412.16712.1592
C42.61341.52253.38854.53692.42333.58382.70283.46601.09801.10341.10465.18664.40595.2488
C52.61343.38851.52254.53693.58382.42333.46602.70285.18664.40595.24881.09801.10341.1046
O62.42151.23103.22452.42333.58384.10473.27162.57882.57623.18153.09334.43192.94284.1580
O72.42153.22451.23103.58382.42334.10472.57883.27164.43192.94284.15802.57623.18153.0933
H81.09962.19492.15902.70283.46603.27162.57881.81073.77092.75332.66134.29183.83593.6839
H91.09962.15902.19493.46602.70282.57883.27161.81074.29183.83593.68393.77092.75332.6613
H103.54252.16414.22361.09805.18662.57624.43193.77094.29181.81021.79835.77544.87105.9790
H112.80042.16713.12351.10344.40593.18152.94282.75333.83591.81021.77074.87104.48285.2000
H122.93432.15923.98841.10465.24883.09334.15802.66133.68391.79831.77075.97905.20005.8120
H133.54254.22362.16415.18661.09804.43192.57624.29183.77095.77544.87105.97901.81021.7983
H142.80043.12352.16714.40591.10342.94283.18153.83592.75334.87104.48285.20001.81021.7707
H152.93433.98842.15925.24881.10464.15803.09333.68392.66135.97905.20005.81201.79831.7707

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.470 C1 C2 O6 120.555
C1 C3 C5 116.470 C1 C3 O7 120.555
C2 C1 C3 109.054 C2 C1 H8 110.630
C2 C1 H9 107.845 C2 C4 H10 110.299
C2 C4 H11 110.211 C2 C4 H12 109.527
C3 C1 H8 107.845 C3 C1 H9 110.630
C3 C5 H13 110.299 C3 C5 H14 110.211
C3 C5 H15 109.527 C4 C2 O6 122.954
C5 C3 O7 122.954 H8 C1 H9 110.835
H10 C4 H11 110.626 H10 C4 H12 109.466
H11 C4 H12 106.636 H13 C5 H14 110.626
H13 C5 H15 109.466 H14 C5 H15 106.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.311      
2 C 0.360      
3 C 0.360      
4 C -0.530      
5 C -0.530      
6 O -0.377      
7 O -0.377      
8 H 0.168      
9 H 0.168      
10 H 0.176      
11 H 0.188      
12 H 0.170      
13 H 0.176      
14 H 0.188      
15 H 0.170      


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 1.584 1.584
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.107 -10.365 0.000
y -10.365 -47.292 0.000
z 0.000 0.000 -41.193
Traceless
 xyz
x -0.865 -10.365 0.000
y -10.365 -4.142 0.000
z 0.000 0.000 5.006
Polar
3z2-r210.013
x2-y22.185
xy-10.365
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.217 -0.281 0.000
y -0.281 11.850 0.000
z 0.000 0.000 8.269


<r2> (average value of r2) Å2
<r2> 238.962
(<r2>)1/2 15.458