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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-344.816054
Energy at 298.15K-344.824646
HF Energy-343.751531
Nuclear repulsion energy296.195697
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 MP2=FULL/cc-pVDZ
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 3230 3070 4.84      
2 A 3186 3028 3.17      
3 A 3125 2970 2.64      
4 A 3091 2937 0.03      
5 A 1790 1702 13.06      
6 A 1476 1403 22.79      
7 A 1474 1401 0.04      
8 A 1458 1386 10.61      
9 A 1389 1320 9.83      
10 A 1281 1218 20.93      
11 A 1140 1084 1.09      
12 A 1074 1021 0.33      
13 A 950 903 1.05      
14 A 809 769 0.36      
15 A 627 596 1.76      
16 A 489 465 5.88      
17 A 322 306 0.67      
18 A 191 181 0.08      
19 A 149 142 0.57      
20 A 65 62 5.85      
21 B 3230 3070 4.36      
22 B 3211 3052 4.28      
23 B 3186 3028 0.35      
24 B 3091 2937 4.08      
25 B 1770 1683 198.33      
26 B 1476 1402 1.52      
27 B 1465 1392 22.85      
28 B 1387 1319 100.14      
29 B 1257 1195 163.97      
30 B 1201 1141 63.17      
31 B 1064 1012 1.50      
32 B 996 946 0.50      
33 B 912 867 11.45      
34 B 827 786 6.61      
35 B 546 519 24.94      
36 B 500 475 1.57      
37 B 416 395 0.88      
38 B 190 181 0.38      
39 B 71 67 9.75      

Unscaled Zero Point Vibrational Energy (zpe) 27054.5 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 25712.6 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 MP2=FULL/cc-pVDZ
ABC
0.13481 0.06668 0.05223

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.032
C2 0.000 1.222 0.108
C3 0.000 -1.222 0.108
C4 -1.366 1.717 -0.309
C5 1.366 -1.717 -0.309
O6 1.048 1.707 -0.295
O7 -1.048 -1.707 -0.295
H8 -0.908 -0.030 1.651
H9 0.908 0.030 1.651
H10 -1.273 2.467 -1.106
H11 -1.978 0.862 -0.642
H12 -1.874 2.160 0.563
H13 1.273 -2.467 -1.106
H14 1.978 -0.862 -0.642
H15 1.874 -2.160 0.563

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53201.53202.57132.57132.40232.40231.09941.09943.50352.73072.89813.50352.73072.8981
C21.53202.44461.51153.26771.22263.13692.18472.15122.15472.14552.14454.08682.96983.8938
C31.53202.44463.26771.51153.13691.22262.15122.18474.08682.96983.89382.15472.14552.1445
C42.57131.51153.26774.38782.41373.43842.66523.44381.09791.10211.10265.01004.23595.1275
C52.57133.26771.51154.38783.43842.41373.44382.66525.01004.23595.12751.09791.10211.1026
O62.40231.22263.13692.41373.43844.00553.25992.57302.57303.16003.07854.25752.75454.0467
O72.40233.13691.22263.43842.41374.00552.57303.25994.25752.75454.04672.57303.16003.0785
H81.09942.18472.15122.66523.44383.25992.57301.81663.73712.68322.62954.27753.77873.6692
H91.09942.15122.18473.44382.66522.57303.25991.81664.27753.77873.66923.73712.68322.6295
H103.50352.15474.08681.09795.01002.57304.25753.73714.27751.81231.79995.55154.67615.8394
H112.73072.14552.96981.10214.23593.16002.75452.68323.77871.81231.77424.67614.31515.0423
H122.89812.14453.89381.10265.12753.07854.04672.62953.66921.79991.77425.83945.04235.7199
H133.50354.08682.15475.01001.09794.25752.57304.27753.73715.55154.67615.83941.81231.7999
H142.73072.96982.14554.23591.10212.75453.16003.77872.68324.67614.31515.04231.81231.7742
H152.89813.89382.14455.12751.10264.04673.07853.66922.62955.83945.04235.71991.79991.7742

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 115.304 C1 C2 O6 120.999
C1 C3 C5 115.304 C1 C3 O7 120.999
C2 C1 C3 105.842 C2 C1 H8 111.175
C2 C1 H9 108.553 C2 C4 H10 110.323
C2 C4 H11 109.353 C2 C4 H12 109.239
C3 C1 H8 108.553 C3 C1 H9 111.175
C3 C5 H13 110.323 C3 C5 H14 109.353
C3 C5 H15 109.239 C4 C2 O6 123.621
C5 C3 O7 123.621 H8 C1 H9 111.414
H10 C4 H11 110.929 H10 C4 H12 109.759
H11 C4 H12 107.171 H13 C5 H14 110.929
H13 C5 H15 109.759 H14 C5 H15 107.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability