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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-344.835233
Energy at 298.15K-344.843753
HF Energy-343.748162
Nuclear repulsion energy296.294913
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 MP3/6-31+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 3257 3031 6.40      
2 A 3205 2983 6.35      
3 A 3165 2945 3.04      
4 A 3128 2911 0.35      
5 A 1871 1741 19.95      
6 A 1533 1427 2.14      
7 A 1524 1418 23.62      
8 A 1517 1412 3.55      
9 A 1450 1349 5.80      
10 A 1321 1229 20.65      
11 A 1185 1102 0.60      
12 A 1108 1031 0.00      
13 A 983 914 0.84      
14 A 819 762 0.09      
15 A 640 595 1.21      
16 A 501 466 8.21      
17 A 325 302 0.74      
18 A 162 151 0.02      
19 A 147 137 1.24      
20 A 54 50 8.72      
21 B 3257 3031 7.69      
22 B 3236 3011 4.99      
23 B 3205 2982 1.47      
24 B 3128 2911 4.18      
25 B 1849 1720 302.44      
26 B 1525 1419 7.28      
27 B 1522 1416 19.39      
28 B 1449 1348 73.72      
29 B 1323 1231 113.05      
30 B 1243 1156 98.47      
31 B 1097 1021 3.27      
32 B 1032 960 0.66      
33 B 940 874 7.09      
34 B 838 780 4.30      
35 B 561 522 25.66      
36 B 506 471 3.89      
37 B 419 390 2.12      
38 B 162 151 0.04      
39 B 49 46 12.82      

Unscaled Zero Point Vibrational Energy (zpe) 27616.6 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 25697.2 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 MP3/6-31+G**
ABC
0.13821 0.06514 0.05140

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.008
C2 0.000 1.231 0.102
C3 0.000 -1.231 0.102
C4 -1.347 1.780 -0.297
C5 1.347 -1.780 -0.297
O6 1.050 1.702 -0.292
O7 -1.050 -1.702 -0.292
H8 -0.895 -0.030 1.625
H9 0.895 0.030 1.625
H10 -1.222 2.560 -1.041
H11 -1.972 0.975 -0.684
H12 -1.846 2.185 0.584
H13 1.222 -2.560 -1.041
H14 1.972 -0.975 -0.684
H15 1.846 -2.185 0.584

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52841.52842.58512.58512.38512.38511.08801.08803.49932.77502.89163.49932.77502.8916
C21.52842.46271.50783.32281.21653.14032.17092.13652.13692.13832.13314.14453.06193.9131
C31.52842.46273.32281.50783.14031.21652.13652.17094.14453.06193.91312.13692.13832.1331
C42.58511.50783.32284.46392.39823.49422.67863.43251.08561.09031.09095.09804.33055.1663
C52.58513.32281.50784.46393.49422.39823.43252.67865.09804.33055.16631.08561.09031.0909
O62.38511.21653.14032.39823.49423.99943.23442.54882.54193.13293.06454.33062.85804.0631
O72.38513.14031.21653.49422.39823.99942.54883.23444.33062.85804.06312.54193.13293.0645
H81.08802.17092.13652.67863.43253.23442.54881.79113.73202.73922.62584.24203.80083.6388
H91.08802.13652.17093.43252.67862.54883.23441.79114.24203.80083.63883.73202.73922.6258
H103.49932.13694.14451.08565.09802.54194.33063.73204.24201.78971.78135.67384.77795.8799
H112.77502.13833.06191.09034.33053.13292.85802.73923.80081.78971.75754.77794.39985.1159
H122.89162.13313.91311.09095.16633.06454.06312.62583.63881.78131.75755.87995.11595.7210
H133.49934.14452.13695.09801.08564.33062.54194.24203.73205.67384.77795.87991.78971.7813
H142.77503.06192.13834.33051.09032.85803.13293.80082.73924.77794.39985.11591.78971.7575
H152.89163.91312.13315.16631.09094.06313.06453.63882.62585.87995.11595.72101.78131.7575

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.735 C1 C2 O6 120.238
C1 C3 C5 116.735 C1 C3 O7 120.238
C2 C1 C3 107.349 C2 C1 H8 111.019
C2 C1 H9 108.309 C2 C4 H10 109.901
C2 C4 H11 109.732 C2 C4 H12 109.281
C3 C1 H8 108.309 C3 C1 H9 111.019
C3 C5 H13 109.901 C3 C5 H14 109.732
C3 C5 H15 109.281 C4 C2 O6 122.996
C5 C3 O7 122.996 H8 C1 H9 110.792
H10 C4 H11 110.668 H10 C4 H12 109.851
H11 C4 H12 107.362 H13 C5 H14 110.668
H13 C5 H15 109.851 H14 C5 H15 107.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability