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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: CCD/aug-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 CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-344.910045
Energy at 298.15K-344.918515
HF Energy-343.773014
Nuclear repulsion energy294.967264
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 CCD/aug-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 3176 3063 7.26      
2 A 3125 3014 7.47      
3 A 3089 2980 3.94      
4 A 3049 2941 0.32      
5 A 1825 1760 15.08      
6 A 1475 1423 13.94      
7 A 1470 1418 5.29      
8 A 1458 1406 6.22      
9 A 1399 1349 7.59      
10 A 1288 1243 16.51      
11 A 1147 1106 0.66      
12 A 1080 1041 0.07      
13 A 953 919 0.83      
14 A 804 776 0.07      
15 A 631 608 1.11      
16 A 490 473 8.29      
17 A 318 307 0.73      
18 A 167 161 0.07      
19 A 144 139 0.89      
20 A 49 47 8.01      
21 B 3176 3063 8.65      
22 B 3162 3050 6.52      
23 B 3125 3014 1.59      
24 B 3049 2941 4.31      
25 B 1803 1739 297.67      
26 B 1472 1420 1.27      
27 B 1464 1412 22.03      
28 B 1397 1347 73.71      
29 B 1281 1235 123.31      
30 B 1212 1169 65.54      
31 B 1066 1028 1.86      
32 B 999 964 0.65      
33 B 915 883 6.62      
34 B 824 795 3.98      
35 B 547 528 26.61      
36 B 496 478 3.13      
37 B 405 390 2.37      
38 B 165 159 0.00      
39 B 63 61 12.43      

Unscaled Zero Point Vibrational Energy (zpe) 26878.1 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 25924.0 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 CCD/aug-cc-pVDZ
ABC
0.13567 0.06500 0.05119

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.021
C2 0.000 1.237 0.109
C3 0.000 -1.237 0.109
C4 -1.359 1.745 -0.334
C5 1.359 -1.745 -0.334
O6 1.049 1.737 -0.259
O7 -1.049 -1.737 -0.259
H8 -0.908 -0.029 1.643
H9 0.908 0.029 1.643
H10 -1.240 2.525 -1.099
H11 -1.960 0.905 -0.722
H12 -1.894 2.154 0.541
H13 1.240 -2.525 -1.099
H14 1.960 -0.905 -0.722
H15 1.894 -2.154 0.541

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53701.53702.59402.59402.39872.39871.10061.10063.52282.77532.90843.52282.77532.9084
C21.53702.47341.51683.30641.21833.17402.18642.15342.15792.15492.14844.14123.01993.9079
C31.53702.47343.30641.51683.17401.21832.15342.18644.14123.01993.90792.15792.15492.1484
C42.59401.51683.30644.42302.40853.49602.69463.46281.09881.10361.10455.05714.26485.1525
C52.59403.30641.51684.42303.49602.40853.46282.69465.05714.26485.15251.09881.10361.1045
O62.39871.21833.17402.40853.49604.05703.24982.56002.56243.15603.07774.34822.83264.0609
O72.39873.17401.21833.49602.40854.05702.56003.24984.34822.83264.06092.56243.15603.0777
H81.10062.18642.15342.69463.46283.24982.56001.81613.76202.75242.63714.28523.81943.6852
H91.10062.15342.18643.46282.69462.56003.24981.81614.28523.81943.68523.76202.75242.6371
H103.52282.15794.14121.09885.05712.56244.34823.76204.28521.81301.80355.62714.70675.8659
H112.77532.15493.01991.10364.26483.15602.83262.75243.81941.81301.77764.70674.31855.0803
H122.90842.14843.90791.10455.15253.07774.06092.63713.68521.80351.77765.86595.08035.7368
H133.52284.14122.15795.05711.09884.34822.56244.28523.76205.62714.70675.86591.81301.8035
H142.77533.01992.15494.26481.10362.83263.15603.81942.75244.70674.31855.08031.81301.7776
H152.90843.90792.14845.15251.10454.06093.07773.68522.63715.86595.08035.73681.80351.7776

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.296 C1 C2 O6 120.611
C1 C3 C5 116.296 C1 C3 O7 120.611
C2 C1 C3 107.142 C2 C1 H8 110.897
C2 C1 H9 108.323 C2 C4 H10 110.150
C2 C4 H11 109.636 C2 C4 H12 109.080
C3 C1 H8 108.323 C3 C1 H9 110.897
C3 C5 H13 110.150 C3 C5 H14 109.636
C3 C5 H15 109.080 C4 C2 O6 123.053
C5 C3 O7 123.053 H8 C1 H9 111.191
H10 C4 H11 110.804 H10 C4 H12 109.880
H11 C4 H12 107.228 H13 C5 H14 110.804
H13 C5 H15 109.880 H14 C5 H15 107.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability