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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: TPSSh/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 TPSSh/6-31G**
 hartrees
Energy at 0K-345.816046
Energy at 298.15K-345.824371
HF Energy-345.816046
Nuclear repulsion energy295.499453
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 TPSSh/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 3173 3042 9.64      
2 A 3110 2982 8.34      
3 A 3086 2958 3.95      
4 A 3044 2919 0.34      
5 A 1806 1732 18.10      
6 A 1499 1438 14.19      
7 A 1496 1435 4.61      
8 A 1482 1421 6.31      
9 A 1400 1343 5.27      
10 A 1273 1220 28.04      
11 A 1145 1097 1.60      
12 A 1075 1030 0.32      
13 A 936 897 1.37      
14 A 783 750 0.17      
15 A 615 590 1.54      
16 A 476 456 6.17      
17 A 312 299 0.69      
18 A 171 164 0.15      
19 A 137 131 0.88      
20 A 63 60 7.18      
21 B 3173 3042 10.60      
22 B 3160 3029 8.15      
23 B 3110 2981 1.44      
24 B 3044 2918 5.50      
25 B 1778 1704 296.02      
26 B 1498 1436 1.82      
27 B 1491 1430 23.45      
28 B 1401 1343 75.90      
29 B 1244 1192 104.91      
30 B 1187 1138 195.83      
31 B 1061 1018 11.47      
32 B 997 956 1.31      
33 B 890 853 28.38      
34 B 796 763 12.55      
35 B 532 510 26.90      
36 B 488 468 0.66      
37 B 396 379 1.12      
38 B 171 164 0.50      
39 B 40 39 10.50      

Unscaled Zero Point Vibrational Energy (zpe) 26768.1 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 25662.5 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 TPSSh/6-31G**
ABC
0.13608 0.06530 0.05136

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.019
C2 0.000 1.237 0.106
C3 0.000 -1.237 0.106
C4 -1.361 1.750 -0.308
C5 1.361 -1.750 -0.308
O6 1.048 1.720 -0.287
O7 -1.048 -1.720 -0.287
H8 -0.901 -0.031 1.635
H9 0.901 0.031 1.635
H10 -1.257 2.511 -1.083
H11 -1.977 0.916 -0.662
H12 -1.873 2.179 0.562
H13 1.257 -2.511 -1.083
H14 1.977 -0.916 -0.662
H15 1.873 -2.179 0.562

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53691.53692.58372.58372.40052.40051.09221.09223.50692.75182.90963.50692.75182.9096
C21.53692.47351.51243.30861.21933.16182.18102.14592.14842.14522.14564.12743.02243.9223
C31.53692.47353.30861.51243.16181.21932.14592.18104.12743.02243.92232.14842.14522.1456
C42.58371.51243.30864.43432.40923.48482.67603.44231.09041.09581.09665.06054.28715.1629
C52.58373.30861.51244.43433.48482.40923.44232.67605.06054.28715.16291.09041.09581.0966
O62.40051.21933.16182.40923.48484.02873.24962.56362.56323.15263.07614.31012.82054.0752
O72.40053.16181.21933.48482.40924.02872.56363.24964.31012.82054.07522.56323.15263.0761
H81.09222.18102.14592.67603.44233.24962.56361.80273.73812.70802.64244.26543.78743.6691
H91.09222.14592.18103.44232.67602.56363.24961.80274.26543.78743.66913.73812.70802.6424
H103.50692.14844.12741.09045.06052.56324.31013.73814.26541.79941.78705.61534.73085.8732
H112.75182.14523.02241.09584.28713.15262.82052.70803.78741.79941.76164.73084.35845.0895
H122.90962.14563.92231.09665.16293.07614.07522.64243.66911.78701.76165.87325.08955.7470
H133.50694.12742.14845.06051.09044.31012.56324.26543.73815.61534.73085.87321.79941.7870
H142.75183.02242.14524.28711.09582.82053.15263.78742.70804.73084.35845.08951.79941.7616
H152.90963.92232.14565.16291.09664.07523.07613.66912.64245.87325.08955.74701.78701.7616

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.839 C1 C2 O6 120.699
C1 C3 C5 115.839 C1 C3 O7 120.699
C2 C1 C3 107.165 C2 C1 H8 110.976
C2 C1 H9 108.220 C2 C4 H10 110.212
C2 C4 H11 109.635 C2 C4 H12 109.620
C3 C1 H8 108.220 C3 C1 H9 110.976
C3 C5 H13 110.212 C3 C5 H14 109.635
C3 C5 H15 109.620 C4 C2 O6 123.399
C5 C3 O7 123.399 H8 C1 H9 111.220
H10 C4 H11 110.788 H10 C4 H12 109.592
H11 C4 H12 106.933 H13 C5 H14 110.788
H13 C5 H15 109.592 H14 C5 H15 106.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.363      
2 C 0.416      
3 C 0.416      
4 C -0.438      
5 C -0.438      
6 O -0.430      
7 O -0.430      
8 H 0.157      
9 H 0.157      
10 H 0.158      
11 H 0.168      
12 H 0.151      
13 H 0.158      
14 H 0.168      
15 H 0.151      


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 1.476 1.476
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.233 -0.284 0.000
y -0.284 9.506 0.000
z 0.000 0.000 6.946


<r2> (average value of r2) Å2
<r2> 230.270
(<r2>)1/2 15.175