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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B3LYPultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-345.822831
Energy at 298.15K-345.831166
HF Energy-345.822831
Nuclear repulsion energy294.702896
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 B3LYPultrafine/6-31+G**
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 3162 3044 6.42      
2 A 3103 2987 5.52      
3 A 3080 2965 2.96      
4 A 3040 2927 0.51      
5 A 1799 1732 21.88      
6 A 1484 1428 6.70      
7 A 1477 1422 19.84      
8 A 1465 1411 6.33      
9 A 1395 1343 4.12      
10 A 1272 1224 23.52      
11 A 1145 1102 1.58      
12 A 1077 1036 0.45      
13 A 941 906 1.16      
14 A 786 756 0.11      
15 A 624 600 1.54      
16 A 485 467 6.09      
17 A 322 310 0.84      
18 A 156 150 0.00      
19 A 141 136 1.30      
20 A 54 52 9.09      
21 B 3162 3044 8.56      
22 B 3149 3031 5.15      
23 B 3103 2987 0.36      
24 B 3040 2927 3.38      
25 B 1770 1704 388.95      
26 B 1477 1422 1.51      
27 B 1470 1415 29.84      
28 B 1394 1342 86.80      
29 B 1260 1213 101.43      
30 B 1190 1145 194.07      
31 B 1061 1022 8.06      
32 B 999 962 1.07      
33 B 897 863 25.77      
34 B 802 772 12.07      
35 B 547 527 25.47      
36 B 498 479 1.29      
37 B 409 394 2.08      
38 B 155 150 0.17      
39 B 39 38 12.24      

Unscaled Zero Point Vibrational Energy (zpe) 26714.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 25717.6 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 B3LYPultrafine/6-31+G**
ABC
0.13796 0.06382 0.05041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.996
C2 0.000 1.248 0.100
C3 0.000 -1.248 0.100
C4 -1.351 1.792 -0.301
C5 1.351 -1.792 -0.301
O6 1.050 1.735 -0.281
O7 -1.050 -1.735 -0.281
H8 -0.899 -0.031 1.617
H9 0.899 0.031 1.617
H10 -1.235 2.577 -1.050
H11 -1.984 0.983 -0.683
H12 -1.857 2.200 0.583
H13 1.235 -2.577 -1.050
H14 1.984 -0.983 -0.683
H15 1.857 -2.200 0.583

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53671.53672.59232.59232.39632.39631.09271.09273.51452.77972.90903.51452.77972.9090
C21.53672.49571.51063.35061.21803.18452.17862.14252.14762.14962.14264.18013.08693.9463
C31.53672.49573.35061.51063.18451.21802.14252.17864.18013.08693.94632.14762.14962.1426
C42.59231.51063.35064.48862.40163.53952.68443.44101.09091.09611.09715.13174.35605.1975
C52.59233.35061.51064.48863.53952.40163.44102.68445.13174.35605.19751.09091.09611.0971
O62.39631.21803.18452.40163.53954.05483.24302.55452.55353.15143.06824.38312.90214.1087
O72.39633.18451.21803.53952.40164.05482.55453.24304.38312.90214.10872.55353.15143.0682
H81.09272.17862.14252.68443.44103.24302.55451.79903.74502.73832.63964.25963.80933.6567
H91.09272.14252.17863.44102.68442.55453.24301.79904.25963.80933.65673.74502.73832.6396
H103.51452.14764.18011.09095.13172.55354.38313.74504.25961.79841.78735.71464.81375.9201
H112.77972.14963.08691.09614.35603.15142.90212.73833.80931.79841.76084.81374.42935.1476
H122.90902.14263.94631.09715.19753.06824.10872.63963.65671.78731.76085.92015.14765.7588
H133.51454.18012.14765.13171.09094.38312.55354.25963.74505.71464.81375.92011.79841.7873
H142.77973.08692.14964.35601.09612.90213.15143.80932.73834.81374.42935.14761.79841.7608
H152.90903.94632.14265.19751.09714.10873.06823.65672.63965.92015.14765.75881.78731.7608

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.563 C1 C2 O6 120.454
C1 C3 C5 116.563 C1 C3 O7 120.454
C2 C1 C3 108.587 C2 C1 H8 110.768
C2 C1 H9 107.945 C2 C4 H10 110.236
C2 C4 H11 110.088 C2 C4 H12 109.470
C3 C1 H8 107.945 C3 C1 H9 110.768
C3 C5 H13 110.236 C3 C5 H14 110.088
C3 C5 H15 109.470 C4 C2 O6 122.961
C5 C3 O7 122.961 H8 C1 H9 110.817
H10 C4 H11 110.630 H10 C4 H12 109.543
H11 C4 H12 106.806 H13 C5 H14 110.630
H13 C5 H15 109.543 H14 C5 H15 106.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.300      
2 C 0.364      
3 C 0.364      
4 C -0.529      
5 C -0.529      
6 O -0.404      
7 O -0.404      
8 H 0.175      
9 H 0.175      
10 H 0.180      
11 H 0.191      
12 H 0.172      
13 H 0.180      
14 H 0.191      
15 H 0.172      


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 1.641 1.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.787 -10.467 0.000
y -10.467 -46.939 0.000
z 0.000 0.000 -40.718
Traceless
 xyz
x -0.958 -10.467 0.000
y -10.467 -4.186 0.000
z 0.000 0.000 5.145
Polar
3z2-r210.290
x2-y22.152
xy-10.467
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.527 -0.121 0.000
y -0.121 10.596 0.000
z 0.000 0.000 7.860


<r2> (average value of r2) Å2
<r2> 234.279
(<r2>)1/2 15.306