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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-345.437657
Energy at 298.15K-345.446109
HF Energy-345.437657
Nuclear repulsion energy297.260538
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 HSEh1PBE/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 3199 3053 5.63      
2 A 3141 2998 3.57      
3 A 3106 2964 1.82      
4 A 3066 2926 0.24      
5 A 1859 1774 20.39      
6 A 1483 1415 14.92      
7 A 1479 1411 12.07      
8 A 1465 1398 8.27      
9 A 1396 1332 9.54      
10 A 1284 1225 25.34      
11 A 1147 1095 1.48      
12 A 1079 1030 0.96      
13 A 945 902 0.45      
14 A 803 766 0.15      
15 A 628 599 1.50      
16 A 490 468 6.45      
17 A 323 308 0.87      
18 A 178 169 0.21      
19 A 142 136 0.86      
20 A 62 60 7.43      
21 B 3199 3053 5.32      
22 B 3183 3038 4.40      
23 B 3141 2998 0.30      
24 B 3066 2926 2.07      
25 B 1832 1749 314.02      
26 B 1479 1412 1.29      
27 B 1472 1405 23.68      
28 B 1395 1331 117.84      
29 B 1258 1200 169.05      
30 B 1200 1145 122.70      
31 B 1063 1015 4.16      
32 B 996 950 0.70      
33 B 903 862 15.48      
34 B 821 784 8.31      
35 B 547 522 27.06      
36 B 501 478 0.84      
37 B 411 393 1.44      
38 B 178 169 0.61      
39 B 45 43 11.41      

Unscaled Zero Point Vibrational Energy (zpe) 26981.9 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 25748.8 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 HSEh1PBE/6-31G**
ABC
0.13733 0.06636 0.05217

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.017
C2 0.000 1.227 0.106
C3 0.000 -1.227 0.106
C4 -1.354 1.735 -0.305
C5 1.354 -1.735 -0.305
O6 1.041 1.704 -0.289
O7 -1.041 -1.704 -0.289
H8 -0.900 -0.032 1.634
H9 0.900 0.032 1.634
H10 -1.253 2.495 -1.081
H11 -1.968 0.899 -0.658
H12 -1.868 2.161 0.563
H13 1.253 -2.495 -1.081
H14 1.968 -0.899 -0.658
H15 1.868 -2.161 0.563

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52781.52782.56702.56702.38592.38591.09231.09233.49152.73562.89253.49152.73562.8925
C21.52782.45361.50333.28211.21173.13542.17502.13842.14132.13612.13844.10212.99543.8958
C31.52782.45363.28211.50333.13541.21172.13842.17504.10212.99543.89582.14132.13612.1384
C42.56701.50333.28214.40082.39543.45302.66253.42661.09021.09561.09595.02824.25325.1296
C52.56703.28211.50334.40083.45302.39543.42662.66255.02824.25325.12961.09021.09561.0959
O62.38591.21173.13542.39543.45303.99423.23772.55202.55263.13673.06634.27792.78714.0433
O72.38593.13541.21173.45302.39543.99422.55203.23774.27792.78714.04332.55263.13673.0663
H81.09232.17502.13842.66253.42663.23772.55201.80193.72532.69442.62564.25083.77233.6531
H91.09232.13842.17503.42662.66252.55203.23771.80194.25083.77233.65313.72532.69442.6256
H103.49152.14134.10211.09025.02822.55264.27793.72534.25081.79901.78665.58324.69725.8412
H112.73562.13612.99541.09564.25323.13672.78712.69443.77231.79901.75934.69724.32605.0564
H122.89252.13843.89581.09595.12963.06634.04332.62563.65311.78661.75935.84125.05645.7134
H133.49154.10212.14135.02821.09024.27792.55264.25083.72535.58324.69725.84121.79901.7866
H142.73562.99542.13614.25321.09562.78713.13673.77232.69444.69724.32605.05641.79901.7593
H152.89253.89582.13845.12961.09594.04333.06633.65312.62565.84125.05645.71341.78661.7593

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.748 C1 C2 O6 120.697
C1 C3 C5 115.748 C1 C3 O7 120.697
C2 C1 C3 106.836 C2 C1 H8 111.135
C2 C1 H9 108.258 C2 C4 H10 110.291
C2 C4 H11 109.561 C2 C4 H12 109.719
C3 C1 H8 108.258 C3 C1 H9 111.135
C3 C5 H13 110.291 C3 C5 H14 109.561
C3 C5 H15 109.719 C4 C2 O6 123.484
C5 C3 O7 123.484 H8 C1 H9 111.147
H10 C4 H11 110.786 H10 C4 H12 109.620
H11 C4 H12 106.797 H13 C5 H14 110.786
H13 C5 H15 109.620 H14 C5 H15 106.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.381      
2 C 0.414      
3 C 0.414      
4 C -0.466      
5 C -0.466      
6 O -0.427      
7 O -0.427      
8 H 0.164      
9 H 0.164      
10 H 0.167      
11 H 0.178      
12 H 0.160      
13 H 0.167      
14 H 0.178      
15 H 0.160      


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 1.524 1.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.906 -9.110 0.000
y -9.110 -44.983 0.000
z 0.000 0.000 -39.679
Traceless
 xyz
x -0.576 -9.110 0.000
y -9.110 -3.690 0.000
z 0.000 0.000 4.266
Polar
3z2-r28.532
x2-y22.076
xy-9.110
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.076 -0.246 0.000
y -0.246 9.099 0.000
z 0.000 0.000 6.863


<r2> (average value of r2) Å2
<r2> 227.390
(<r2>)1/2 15.079