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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-343.804675
Energy at 298.15K-343.813449
HF Energy-343.804675
Nuclear repulsion energy297.749027
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 HF/6-311G*
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 3301 2985 14.05      
2 A 3251 2941 21.93      
3 A 3234 2925 7.33      
4 A 3190 2885 1.30      
5 A 2005 1813 37.59      
6 A 1616 1461 9.11      
7 A 1608 1454 17.21      
8 A 1598 1445 4.32      
9 A 1537 1390 5.43      
10 A 1388 1256 27.33      
11 A 1254 1134 1.52      
12 A 1193 1079 0.39      
13 A 1028 929 1.70      
14 A 852 770 0.10      
15 A 679 614 0.78      
16 A 529 478 12.34      
17 A 337 304 0.68      
18 A 169 152 0.37      
19 A 156 141 1.26      
20 A 51 46 9.39      
21 B 3301 2986 22.00      
22 B 3293 2978 15.68      
23 B 3251 2940 5.38      
24 B 3191 2886 11.27      
25 B 1982 1793 446.71      
26 B 1608 1455 1.12      
27 B 1601 1448 28.83      
28 B 1538 1391 71.37      
29 B 1428 1291 93.42      
30 B 1302 1177 131.51      
31 B 1163 1051 7.19      
32 B 1100 995 0.97      
33 B 989 895 8.10      
34 B 861 779 1.83      
35 B 593 536 29.17      
36 B 544 492 11.09      
37 B 434 392 1.96      
38 B 166 150 0.03      
39 B 56 51 13.23      

Unscaled Zero Point Vibrational Energy (zpe) 28687.3 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 25944.8 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 HF/6-311G*
ABC
0.14221 0.06446 0.05122

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.986
C2 0.000 1.240 0.093
C3 0.000 -1.240 0.093
C4 -1.347 1.804 -0.280
C5 1.347 -1.804 -0.280
O6 1.022 1.700 -0.296
O7 -1.022 -1.700 -0.296
H8 -0.886 -0.034 1.606
H9 0.886 0.034 1.606
H10 -1.231 2.583 -1.019
H11 -1.992 1.019 -0.659
H12 -1.826 2.215 0.604
H13 1.231 -2.583 -1.019
H14 1.992 -1.019 -0.659
H15 1.826 -2.215 0.604

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52811.52812.58322.58322.36192.36191.08181.08183.49392.77752.89593.49392.77752.8959
C21.52812.47941.50763.34931.18643.13612.16712.12782.13432.14082.13234.16683.10413.9408
C31.52812.47943.34931.50763.13611.18642.12782.16714.16683.10413.94082.13432.14082.1323
C42.58321.50763.34934.50312.37173.51852.67303.41721.08031.08421.08615.14144.38925.1964
C52.58323.34931.50764.50313.51852.37173.41722.67305.14144.38925.19641.08031.08421.0861
O62.36191.18643.13612.37173.51853.96643.20392.53172.52523.11133.03114.34792.90924.0965
O72.36193.13611.18643.51852.37173.96642.53173.20394.34792.90924.09652.52523.11133.0311
H81.08182.16712.12782.67303.41723.20392.53171.77433.72242.73122.63504.22703.79273.6217
H91.08182.12782.16713.41722.67302.53173.20391.77434.22703.79273.62173.72242.73122.6350
H103.49392.13434.16681.08035.14142.52524.34793.72244.22701.77631.76805.72174.84645.9157
H112.77752.14083.10411.08424.38923.11132.90922.73123.79271.77631.74754.84644.47535.1607
H122.89592.13233.94081.08615.19643.03114.09652.63503.62171.76801.74755.91575.16075.7412
H133.49394.16682.13435.14141.08034.34792.52524.22703.72245.72174.84645.91571.77631.7680
H142.77753.10412.14084.38921.08422.90923.11133.79272.73124.84644.47535.16071.77631.7475
H152.89593.94082.13235.19641.08614.09653.03113.62172.63505.91575.16075.74121.76801.7475

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.626 C1 C2 O6 120.419
C1 C3 C5 116.626 C1 C3 O7 120.419
C2 C1 C3 108.438 C2 C1 H8 111.112
C2 C1 H9 108.004 C2 C4 H10 110.020
C2 C4 H11 110.308 C2 C4 H12 109.524
C3 C1 H8 108.004 C3 C1 H9 111.112
C3 C5 H13 110.020 C3 C5 H14 110.308
C3 C5 H15 109.524 C4 C2 O6 122.937
C5 C3 O7 122.937 H8 C1 H9 110.175
H10 C4 H11 110.298 H10 C4 H12 109.389
H11 C4 H12 107.252 H13 C5 H14 110.298
H13 C5 H15 109.389 H14 C5 H15 107.252
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.605      
2 C 0.416      
3 C 0.416      
4 C -0.707      
5 C -0.707      
6 O -0.397      
7 O -0.397      
8 H 0.255      
9 H 0.255      
10 H 0.248      
11 H 0.254      
12 H 0.234      
13 H 0.248      
14 H 0.254      
15 H 0.234      


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 1.809 1.809
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.713 -9.920 0.000
y -9.920 -46.388 0.000
z 0.000 0.000 -40.397
Traceless
 xyz
x -1.320 -9.920 0.000
y -9.920 -3.833 0.000
z 0.000 0.000 5.153
Polar
3z2-r210.306
x2-y21.675
xy-9.920
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.724 -0.108 0.000
y -0.108 8.344 0.000
z 0.000 0.000 6.773


<r2> (average value of r2) Å2
<r2> 231.136
(<r2>)1/2 15.203