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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-345.512469
Energy at 298.15K-345.520908
HF Energy-345.141441
Nuclear repulsion energy295.642200
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 B2PLYP=FULL/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 3182 3061 6.70      
2 A 3126 3007 5.27      
3 A 3095 2977 3.31      
4 A 3054 2937 0.39      
5 A 1760 1693 18.05      
6 A 1468 1412 10.62      
7 A 1462 1406 10.69      
8 A 1448 1392 7.09      
9 A 1382 1329 6.46      
10 A 1275 1227 17.92      
11 A 1138 1095 0.70      
12 A 1068 1028 0.29      
13 A 943 907 1.10      
14 A 795 765 0.14      
15 A 625 601 1.36      
16 A 486 467 6.59      
17 A 320 308 0.90      
18 A 170 164 0.00      
19 A 142 137 0.91      
20 A 55 52 8.23      
21 B 3182 3061 7.61      
22 B 3172 3050 5.50      
23 B 3126 3006 0.42      
24 B 3053 2937 3.08      
25 B 1733 1667 321.82      
26 B 1463 1407 1.11      
27 B 1453 1397 27.63      
28 B 1380 1327 85.05      
29 B 1246 1198 145.57      
30 B 1196 1150 104.44      
31 B 1057 1017 5.14      
32 B 989 951 0.98      
33 B 900 866 17.32      
34 B 812 781 9.33      
35 B 543 523 25.98      
36 B 495 476 1.61      
37 B 410 394 2.35      
38 B 169 162 0.04      
39 B 53 51 12.52      

Unscaled Zero Point Vibrational Energy (zpe) 26710.4 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 25690.0 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 B2PLYP=FULL/aug-cc-pVDZ
ABC
0.13663 0.06532 0.05144

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.017
C2 0.000 1.232 0.105
C3 0.000 -1.232 0.105
C4 -1.352 1.759 -0.308
C5 1.352 -1.759 -0.308
O6 1.051 1.714 -0.287
O7 -1.051 -1.714 -0.287
H8 -0.905 -0.031 1.634
H9 0.905 0.031 1.634
H10 -1.240 2.532 -1.073
H11 -1.975 0.930 -0.675
H12 -1.861 2.176 0.574
H13 1.240 -2.532 -1.073
H14 1.975 -0.930 -0.675
H15 1.861 -2.176 0.574

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53291.53292.58392.58392.39682.39681.09581.09583.50992.76172.89743.50992.76172.8974
C21.53292.46441.50883.30831.22133.15282.17992.14482.14882.14462.13864.13483.03053.9115
C31.53292.46443.30831.50883.15281.22132.14482.17994.13483.03053.91152.14882.14462.1386
C42.58391.50883.30834.43702.40433.48592.67833.44261.09411.09931.10005.07134.29375.1561
C52.58393.30831.50884.43703.48592.40433.44262.67835.07134.29375.15611.09411.09931.1000
O62.39681.22133.15282.40433.48594.02183.25012.55862.55733.15013.07194.32242.82764.0658
O72.39683.15281.22133.48592.40434.02182.55863.25014.32242.82764.06582.55733.15013.0719
H81.09582.17992.14482.67833.44263.25012.55861.81083.74322.72012.62844.26503.79903.6574
H91.09582.14482.17993.44262.67832.55863.25011.81084.26503.79903.65743.74322.72012.6284
H103.50992.14884.13481.09415.07132.55734.32243.74324.26501.80661.79605.63894.74175.8735
H112.76172.14463.03051.09934.29373.15012.82762.72013.79901.80661.76754.74174.36605.0913
H122.89742.13863.91151.10005.15613.07194.06582.62843.65741.79601.76755.87355.09135.7266
H133.50994.13482.14885.07131.09414.32242.55734.26503.74325.63894.74175.87351.80661.7960
H142.76173.03052.14464.29371.09932.82763.15013.79902.72014.74174.36605.09131.80661.7675
H152.89743.91152.13865.15611.10004.06583.07193.65742.62845.87355.09135.72661.79601.7675

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.307 C1 C2 O6 120.547
C1 C3 C5 116.307 C1 C3 O7 120.547
C2 C1 C3 106.991 C2 C1 H8 110.956
C2 C1 H9 108.208 C2 C4 H10 110.266
C2 C4 H11 109.629 C2 C4 H12 109.118
C3 C1 H8 108.208 C3 C1 H9 110.956
C3 C5 H13 110.266 C3 C5 H14 109.629
C3 C5 H15 109.118 C4 C2 O6 123.101
C5 C3 O7 123.101 H8 C1 H9 111.441
H10 C4 H11 110.910 H10 C4 H12 109.881
H11 C4 H12 106.964 H13 C5 H14 110.910
H13 C5 H15 109.881 H14 C5 H15 106.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability