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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-345.374862
Energy at 298.15K-345.383147
HF Energy-345.374862
Nuclear repulsion energy294.681691
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 PBEPBEultrafine/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 3112 3060 6.99      
2 A 3049 2998 4.03      
3 A 3024 2974 2.20      
4 A 2984 2934 0.20      
5 A 1768 1739 16.39      
6 A 1453 1429 5.56      
7 A 1450 1426 17.19      
8 A 1436 1412 7.38      
9 A 1357 1334 7.12      
10 A 1242 1221 27.22      
11 A 1113 1095 1.96      
12 A 1045 1028 0.99      
13 A 915 900 0.93      
14 A 771 759 0.22      
15 A 607 597 1.93      
16 A 471 463 4.41      
17 A 315 310 0.86      
18 A 176 173 0.34      
19 A 140 137 0.65      
20 A 68 66 6.56      
21 B 3111 3060 6.90      
22 B 3095 3044 5.75      
23 B 3049 2998 0.17      
24 B 2983 2934 3.30      
25 B 1740 1712 285.55      
26 B 1450 1426 1.32      
27 B 1446 1422 26.55      
28 B 1356 1334 98.67      
29 B 1200 1180 108.83      
30 B 1156 1137 214.07      
31 B 1031 1014 12.31      
32 B 971 955 1.16      
33 B 868 853 32.17      
34 B 788 775 16.42      
35 B 529 520 25.23      
36 B 483 475 0.64      
37 B 401 394 1.17      
38 B 176 173 0.75      
39 B 51 50 9.64      

Unscaled Zero Point Vibrational Energy (zpe) 26188.1 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 25756.0 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 PBEPBEultrafine/6-31G*
ABC
0.13447 0.06543 0.05133

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.025
C2 0.000 1.239 0.108
C3 0.000 -1.239 0.108
C4 -1.368 1.736 -0.309
C5 1.368 -1.736 -0.309
O6 1.051 1.726 -0.291
O7 -1.051 -1.726 -0.291
H8 -0.908 -0.030 1.648
H9 0.908 0.030 1.648
H10 -1.277 2.499 -1.095
H11 -1.980 0.885 -0.659
H12 -1.895 2.166 0.563
H13 1.277 -2.499 -1.095
H14 1.980 -0.885 -0.659
H15 1.895 -2.166 0.563

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54121.54122.58192.58192.41172.41171.10111.10113.51742.74572.91523.51742.74572.9152
C21.54122.47731.51453.30091.22523.17052.19202.15752.16042.15262.15844.12883.00283.9232
C31.54122.47733.30091.51453.17051.22522.15752.19204.12883.00283.92322.16042.15262.1584
C42.58191.51453.30094.42112.41903.47662.67623.45241.09941.10531.10555.05474.26635.1613
C52.58193.30091.51454.42113.47662.41903.45242.67625.05474.26635.16131.09941.10531.1055
O62.41171.22523.17052.41903.47664.04113.26812.58012.58103.16663.09874.30632.79524.0732
O72.41173.17051.22523.47662.41904.04112.58013.26814.30632.79524.07322.58103.16663.0987
H81.10112.19202.15752.67623.45243.26812.58011.81623.74962.70342.64164.28863.79333.6873
H91.10112.15752.19203.45242.67622.58013.26811.81624.28863.79333.68733.74962.70342.6416
H103.51742.16044.12881.09945.05472.58104.30633.74964.28861.81391.80065.61214.71645.8799
H112.74572.15263.00281.10534.26633.16662.79522.70343.79331.81391.77244.71644.33715.0810
H122.91522.15843.92321.10555.16133.09874.07322.64163.68731.80061.77245.87995.08105.7565
H133.51744.12882.16045.05471.09944.30632.58104.28863.74965.61214.71645.87991.81391.8006
H142.74573.00282.15264.26631.10532.79523.16663.79332.70344.71644.33715.08101.81391.7724
H152.91523.92322.15845.16131.10554.07323.09873.68732.64165.87995.08105.75651.80061.7724

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.333 C1 C2 O6 120.913
C1 C3 C5 115.333 C1 C3 O7 120.913
C2 C1 C3 106.970 C2 C1 H8 111.018
C2 C1 H9 108.325 C2 C4 H10 110.479
C2 C4 H11 109.514 C2 C4 H12 109.962
C3 C1 H8 108.325 C3 C1 H9 111.018
C3 C5 H13 110.479 C3 C5 H14 109.514
C3 C5 H15 109.962 C4 C2 O6 123.663
C5 C3 O7 123.663 H8 C1 H9 111.117
H10 C4 H11 110.715 H10 C4 H12 109.506
H11 C4 H12 106.589 H13 C5 H14 110.715
H13 C5 H15 109.506 H14 C5 H15 106.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.448      
2 C 0.415      
3 C 0.415      
4 C -0.571      
5 C -0.571      
6 O -0.394      
7 O -0.394      
8 H 0.186      
9 H 0.186      
10 H 0.193      
11 H 0.206      
12 H 0.189      
13 H 0.193      
14 H 0.206      
15 H 0.189      


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 1.420 1.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.798 -8.714 0.000
y -8.714 -44.949 0.000
z 0.000 0.000 -39.860
Traceless
 xyz
x -0.394 -8.714 0.000
y -8.714 -3.620 0.000
z 0.000 0.000 4.014
Polar
3z2-r28.027
x2-y22.151
xy-8.714
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.403 -0.396 0.000
y -0.396 10.010 0.000
z 0.000 0.000 7.007


<r2> (average value of r2) Å2
<r2> 230.594
(<r2>)1/2 15.185