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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-345.508882
Energy at 298.15K-345.517133
HF Energy-345.508882
Nuclear repulsion energy295.243964
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/aug-cc-pVTZ
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 3085 3051 5.57      
2 A 3024 2990 2.89      
3 A 3005 2971 1.83      
4 A 2965 2931 0.26      
5 A 1730 1711 17.54      
6 A 1422 1406 6.98      
7 A 1416 1400 16.10      
8 A 1403 1388 5.93      
9 A 1329 1314 5.58      
10 A 1228 1214 20.16      
11 A 1098 1086 1.34      
12 A 1032 1021 0.54      
13 A 904 894 1.37      
14 A 765 756 0.22      
15 A 606 599 1.96      
16 A 472 466 4.31      
17 A 314 311 0.88      
18 A 160 158 0.01      
19 A 137 136 0.83      
20 A 64 63 7.82      
21 B 3085 3050 6.92      
22 B 3075 3040 4.29      
23 B 3023 2990 0.01      
24 B 2964 2931 2.20      
25 B 1698 1679 372.64      
26 B 1416 1400 0.66      
27 B 1410 1394 28.70      
28 B 1327 1312 94.12      
29 B 1184 1171 91.00      
30 B 1142 1130 228.31      
31 B 1018 1007 12.41      
32 B 955 945 3.41      
33 B 858 848 38.99      
34 B 784 775 21.48      
35 B 531 525 25.70      
36 B 483 477 0.95      
37 B 398 393 2.25      
38 B 159 158 0.16      
39 B 46 45 10.83      

Unscaled Zero Point Vibrational Energy (zpe) 25856.1 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 25566.5 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/aug-cc-pVTZ
ABC
0.13660 0.06491 0.05104

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.008
C2 0.000 1.241 0.102
C3 0.000 -1.241 0.102
C4 -1.357 1.751 -0.311
C5 1.357 -1.751 -0.311
O6 1.048 1.738 -0.276
O7 -1.048 -1.738 -0.276
H8 -0.905 -0.031 1.626
H9 0.905 0.031 1.626
H10 -1.260 2.527 -1.076
H11 -1.974 0.915 -0.676
H12 -1.878 2.160 0.568
H13 1.260 -2.527 -1.076
H14 1.974 -0.915 -0.676
H15 1.878 -2.160 0.568

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53601.53602.57782.57782.40162.40161.09651.09653.50952.75162.89623.50952.75162.8962
C21.53602.48191.50753.31091.21993.18072.18122.14582.15202.14722.14244.14433.02563.9133
C31.53602.48193.31091.50753.18071.21992.14582.18124.14433.02563.91332.15202.14722.1424
C42.57781.50753.31094.43012.40503.50282.67013.43891.09471.10081.10125.07294.28265.1514
C52.57783.31091.50754.43013.50282.40503.43892.67015.07294.28265.15141.09471.10081.1012
O62.40161.21993.18072.40503.50284.05903.24982.56022.56643.15743.07434.34512.83924.0748
O72.40163.18071.21993.50282.40504.05902.56023.24984.34512.83924.07482.56643.15743.0743
H81.09652.18122.14582.67013.43893.24982.56021.81093.73792.70912.62064.26853.79123.6604
H91.09652.14582.18123.43892.67012.56023.24981.81094.26853.79123.66043.73792.70912.6206
H103.50952.15204.14431.09475.07292.56644.34513.73794.26851.80791.79495.64774.74055.8759
H112.75162.14723.02561.10084.28263.15742.83922.70913.79121.80791.76314.74054.35265.0845
H122.89622.14243.91331.10125.15143.07434.07482.62063.66041.79491.76315.87595.08455.7253
H133.50954.14432.15205.07291.09474.34512.56644.26853.73795.64774.74055.87591.80791.7949
H142.75163.02562.14724.28261.10082.83923.15743.79122.70914.74054.35265.08451.80791.7631
H152.89623.91332.14245.15141.10124.07483.07433.66042.62065.87595.08455.72531.79491.7631

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.765 C1 C2 O6 120.821
C1 C3 C5 115.765 C1 C3 O7 120.821
C2 C1 C3 107.779 C2 C1 H8 110.801
C2 C1 H9 108.035 C2 C4 H10 110.578
C2 C4 H11 109.832 C2 C4 H12 109.437
C3 C1 H8 108.035 C3 C1 H9 110.801
C3 C5 H13 110.578 C3 C5 H14 109.832
C3 C5 H15 109.437 C4 C2 O6 123.377
C5 C3 O7 123.377 H8 C1 H9 111.341
H10 C4 H11 110.858 H10 C4 H12 109.648
H11 C4 H12 106.392 H13 C5 H14 110.858
H13 C5 H15 109.648 H14 C5 H15 106.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 C 0.602      
3 C 0.602      
4 C -0.621      
5 C -0.621      
6 O -0.740      
7 O -0.740      
8 H 0.147      
9 H 0.147      
10 H 0.200      
11 H 0.226      
12 H 0.214      
13 H 0.200      
14 H 0.226      
15 H 0.214      


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 1.480 1.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.287 -9.802 0.000
y -9.802 -46.615 0.000
z 0.000 0.000 -40.694
Traceless
 xyz
x -0.633 -9.802 0.000
y -9.802 -4.125 0.000
z 0.000 0.000 4.757
Polar
3z2-r29.515
x2-y22.328
xy-9.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.533 -0.464 0.000
y -0.464 12.294 0.000
z 0.000 0.000 8.806


<r2> (average value of r2) Å2
<r2> 231.874
(<r2>)1/2 15.227