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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-345.526061
Energy at 298.15K-345.534528
HF Energy-345.526061
Nuclear repulsion energy297.650724
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 PBE1PBE/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 3171 3049 5.00      
2 A 3114 2994 2.90      
3 A 3090 2971 1.58      
4 A 3048 2931 0.40      
5 A 1828 1758 21.21      
6 A 1470 1413 11.04      
7 A 1464 1407 15.23      
8 A 1450 1394 6.64      
9 A 1383 1330 7.18      
10 A 1278 1229 19.50      
11 A 1141 1097 1.14      
12 A 1077 1035 0.77      
13 A 940 904 0.77      
14 A 799 768 0.11      
15 A 630 605 1.56      
16 A 492 473 6.21      
17 A 321 309 0.90      
18 A 168 162 0.00      
19 A 143 137 0.91      
20 A 59 57 8.44      
21 B 3171 3049 5.95      
22 B 3162 3040 4.05      
23 B 3114 2994 0.01      
24 B 3048 2931 1.28      
25 B 1798 1729 389.82      
26 B 1464 1407 0.49      
27 B 1455 1399 27.62      
28 B 1380 1327 104.67      
29 B 1250 1202 151.06      
30 B 1196 1150 136.11      
31 B 1059 1018 5.01      
32 B 991 953 1.32      
33 B 900 865 20.24      
34 B 820 788 10.29      
35 B 550 529 26.99      
36 B 502 483 1.42      
37 B 408 393 2.55      
38 B 168 162 0.11      
39 B 51 49 12.30      

Unscaled Zero Point Vibrational Energy (zpe) 26776.4 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 25745.5 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 PBE1PBE/aug-cc-pVTZ
ABC
0.13915 0.06585 0.05186

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.000
C2 0.000 1.230 0.100
C3 0.000 -1.230 0.100
C4 -1.347 1.747 -0.306
C5 1.347 -1.747 -0.306
O6 1.037 1.716 -0.277
O7 -1.037 -1.716 -0.277
H8 -0.899 -0.031 1.616
H9 0.899 0.031 1.616
H10 -1.245 2.518 -1.065
H11 -1.966 0.923 -0.670
H12 -1.855 2.158 0.571
H13 1.245 -2.518 -1.065
H14 1.966 -0.923 -0.670
H15 1.855 -2.158 0.571

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52411.52412.56352.56352.37772.37771.08931.08933.48702.74002.87753.48702.74002.8775
C21.52412.45971.49873.29211.20593.14612.16652.13072.13732.13392.12654.11793.01543.8905
C31.52412.45973.29211.49873.14611.20592.13072.16654.11793.01543.89052.13732.13392.1265
C42.56351.49873.29214.41102.38403.47692.65603.41711.08761.09301.09375.04794.27005.1246
C52.56353.29211.49874.41103.47692.38403.41712.65605.04794.27005.12461.08761.09301.0937
O62.37771.20593.14612.38403.47694.01053.22212.53792.54343.13093.04544.31252.82544.0492
O72.37773.14611.20593.47692.38404.01052.53793.22214.31252.82544.04922.54343.13093.0454
H81.08932.16652.13072.65603.41713.22212.53791.79813.71592.69692.60714.23873.77153.6322
H91.08932.13072.16653.41712.65602.53793.22211.79814.23873.77153.63223.71592.69692.6071
H103.48702.13734.11791.08765.04792.54344.31253.71594.23871.79541.78335.61824.72295.8436
H112.74002.13393.01541.09304.27003.13092.82542.69693.77151.79541.75424.72294.34385.0623
H122.87752.12653.89051.09375.12463.04544.04922.60713.63221.78331.75425.84365.06235.6904
H133.48704.11792.13735.04791.08764.31252.54344.23873.71595.61824.72295.84361.79541.7833
H142.74003.01542.13394.27001.09302.82543.13093.77152.69694.72294.34385.06231.79541.7542
H152.87753.89052.12655.12461.09374.04923.04543.63222.60715.84365.06235.69041.78331.7542

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.001 C1 C2 O6 120.696
C1 C3 C5 116.001 C1 C3 O7 120.696
C2 C1 C3 107.596 C2 C1 H8 110.893
C2 C1 H9 108.078 C2 C4 H10 110.459
C2 C4 H11 109.855 C2 C4 H12 109.233
C3 C1 H8 108.078 C3 C1 H9 110.893
C3 C5 H13 110.459 C3 C5 H14 109.855
C3 C5 H15 109.233 C4 C2 O6 123.274
C5 C3 O7 123.274 H8 C1 H9 111.251
H10 C4 H11 110.846 H10 C4 H12 109.681
H11 C4 H12 106.682 H13 C5 H14 110.846
H13 C5 H15 109.681 H14 C5 H15 106.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.078      
2 C 0.584      
3 C 0.584      
4 C -0.696      
5 C -0.696      
6 O -0.787      
7 O -0.787      
8 H 0.191      
9 H 0.191      
10 H 0.239      
11 H 0.258      
12 H 0.249      
13 H 0.239      
14 H 0.258      
15 H 0.249      


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 1.562 1.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.936 -9.916 0.000
y -9.916 -46.146 0.000
z 0.000 0.000 -40.194
Traceless
 xyz
x -0.766 -9.916 0.000
y -9.916 -4.081 0.000
z 0.000 0.000 4.848
Polar
3z2-r29.696
x2-y22.210
xy-9.916
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.758 -0.328 0.000
y -0.328 10.959 0.000
z 0.000 0.000 8.326


<r2> (average value of r2) Å2
<r2> 228.525
(<r2>)1/2 15.117