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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-345.403379
Energy at 298.15K-345.411572
HF Energy-345.403379
Nuclear repulsion energy293.934942
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/6-31+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 3108 3072 5.31      
2 A 3046 3011 2.91      
3 A 3018 2984 2.09      
4 A 2977 2943 0.23      
5 A 1741 1721 18.28      
6 A 1430 1414 5.94      
7 A 1424 1408 21.59      
8 A 1411 1395 7.90      
9 A 1338 1323 5.71      
10 A 1231 1217 22.32      
11 A 1102 1090 1.48      
12 A 1032 1020 0.41      
13 A 909 898 0.88      
14 A 767 758 0.17      
15 A 603 596 2.14      
16 A 470 465 3.98      
17 A 316 312 0.91      
18 A 156 155 0.09      
19 A 136 135 0.99      
20 A 61 61 8.34      
21 B 3108 3072 6.74      
22 B 3093 3058 3.79      
23 B 3046 3011 0.01      
24 B 2977 2943 3.13      
25 B 1710 1690 382.98      
26 B 1424 1408 1.55      
27 B 1418 1402 31.23      
28 B 1336 1321 106.25      
29 B 1192 1179 119.14      
30 B 1148 1135 218.17      
31 B 1019 1008 11.19      
32 B 957 946 2.48      
33 B 863 853 33.37      
34 B 789 780 18.64      
35 B 530 524 24.53      
36 B 482 476 0.94      
37 B 399 395 1.87      
38 B 157 155 0.35      
39 B 39 38 10.95      

Unscaled Zero Point Vibrational Energy (zpe) 25981.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 25684.8 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/6-31+G**
ABC
0.13571 0.06423 0.05053

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.008
C2 0.000 1.246 0.104
C3 0.000 -1.246 0.104
C4 -1.358 1.766 -0.311
C5 1.358 -1.766 -0.311
O6 1.056 1.743 -0.278
O7 -1.056 -1.743 -0.278
H8 -0.907 -0.031 1.631
H9 0.907 0.031 1.631
H10 -1.253 2.545 -1.078
H11 -1.983 0.934 -0.680
H12 -1.879 2.183 0.570
H13 1.253 -2.545 -1.078
H14 1.983 -0.934 -0.680
H15 1.879 -2.183 0.570

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54031.54032.58932.58932.41032.41031.10051.10053.52162.76712.91363.52162.76712.9136
C21.54032.49291.51203.33051.22803.19372.18802.15232.15722.15522.15084.16443.04993.9383
C31.54032.49293.33051.51203.19371.22802.15232.18804.16443.04993.93832.15722.15522.1508
C42.58931.51203.33054.45612.41453.52272.68383.45131.09851.10441.10485.09854.31195.1819
C52.58933.33051.51204.45613.52272.41453.45132.68385.09854.31195.18191.09851.10441.1048
O62.41031.22803.19372.41453.52274.07663.26292.56862.57213.17083.08674.36682.86184.1004
O72.41033.19371.22803.52272.41454.07662.56863.26294.36682.86184.10042.57213.17083.0867
H81.10052.18802.15232.68383.45133.26292.56861.81553.75432.72572.64064.28093.80923.6770
H91.10052.15232.18803.45132.68382.56863.26291.81554.28093.80923.67703.75432.72572.6406
H103.52162.15724.16441.09855.09852.57214.36683.75434.28091.81291.79985.67354.76835.9061
H112.76712.15523.04991.10444.31193.17082.86182.72573.80921.81291.77004.76834.38445.1183
H122.91362.15083.93831.10485.18193.08674.10042.64063.67701.79981.77005.90615.11835.7608
H133.52164.16442.15725.09851.09854.36682.57214.28093.75435.67354.76835.90611.81291.7998
H142.76713.04992.15524.31191.10442.86183.17083.80922.72574.76834.38445.11831.81291.7700
H152.91363.93832.15085.18191.10484.10043.08673.67702.64065.90615.11835.76081.79981.7700

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.049 C1 C2 O6 120.666
C1 C3 C5 116.049 C1 C3 O7 120.666
C2 C1 C3 108.042 C2 C1 H8 110.796
C2 C1 H9 108.018 C2 C4 H10 110.448
C2 C4 H11 109.938 C2 C4 H12 109.569
C3 C1 H8 108.018 C3 C1 H9 110.796
C3 C5 H13 110.448 C3 C5 H14 109.938
C3 C5 H15 109.569 C4 C2 O6 123.246
C5 C3 O7 123.246 H8 C1 H9 111.137
H10 C4 H11 110.762 H10 C4 H12 109.548
H11 C4 H12 106.493 H13 C5 H14 110.762
H13 C5 H15 109.548 H14 C5 H15 106.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.354      
2 C 0.323      
3 C 0.323      
4 C -0.598      
5 C -0.598      
6 O -0.356      
7 O -0.356      
8 H 0.199      
9 H 0.199      
10 H 0.200      
11 H 0.213      
12 H 0.196      
13 H 0.200      
14 H 0.213      
15 H 0.196      


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 1.541 1.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.481 -10.182 0.000
y -10.182 -46.910 0.000
z 0.000 0.000 -40.818
Traceless
 xyz
x -0.617 -10.182 0.000
y -10.182 -4.261 0.000
z 0.000 0.000 4.878
Polar
3z2-r29.756
x2-y22.429
xy-10.182
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.116 -0.241 0.000
y -0.241 11.707 0.000
z 0.000 0.000 8.210


<r2> (average value of r2) Å2
<r2> 234.005
(<r2>)1/2 15.297