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All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: CCD/TZVP

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/TZVP
 hartrees
Energy at 0K-344.984282
Energy at 298.15K-344.992839
HF Energy-343.843323
Nuclear repulsion energy296.678224
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/TZVP
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 3196 3030 7.68      
2 A 3149 2985 8.68      
3 A 3116 2954 4.19      
4 A 3076 2916 0.37      
5 A 1856 1760 18.82      
6 A 1514 1435 3.19      
7 A 1504 1426 22.21      
8 A 1498 1420 2.37      
9 A 1434 1359 4.56      
10 A 1307 1239 21.13      
11 A 1177 1116 1.08      
12 A 1102 1045 0.01      
13 A 971 920 1.43      
14 A 808 766 0.14      
15 A 631 599 1.16      
16 A 503 477 7.54      
17 A 325 308 0.65      
18 A 169 160 0.02      
19 A 148 141 1.16      
20 A 50 48 7.69      
21 B 3196 3030 9.43      
22 B 3185 3019 7.24      
23 B 3149 2985 1.76      
24 B 3076 2916 5.03      
25 B 1835 1740 271.32      
26 B 1505 1426 10.27      
27 B 1502 1423 13.13      
28 B 1433 1359 64.35      
29 B 1317 1249 88.20      
30 B 1230 1166 121.28      
31 B 1090 1034 3.78      
32 B 1024 970 0.59      
33 B 929 881 10.18      
34 B 826 783 4.45      
35 B 562 532 24.22      
36 B 504 477 2.96      
37 B 417 396 1.56      
38 B 167 158 0.00      
39 B 63 60 11.62      

Unscaled Zero Point Vibrational Energy (zpe) 27271.2 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 25853.1 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/TZVP
ABC
0.13869 0.06523 0.05146

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.003
C2 0.000 1.232 0.098
C3 0.000 -1.232 0.098
C4 -1.354 1.771 -0.291
C5 1.354 -1.771 -0.291
O6 1.039 1.707 -0.294
O7 -1.039 -1.707 -0.294
H8 -0.896 -0.027 1.622
H9 0.896 0.027 1.622
H10 -1.245 2.550 -1.043
H11 -1.980 0.960 -0.668
H12 -1.847 2.180 0.595
H13 1.245 -2.550 -1.043
H14 1.980 -0.960 -0.668
H15 1.847 -2.180 0.595

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 O7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52841.52842.57802.57802.38252.38251.08951.08953.49842.76302.88643.49842.76302.8864
C21.52842.46391.50883.31741.20813.14192.17022.13932.14252.14072.13474.14223.05163.9115
C31.52842.46393.31741.50883.14191.20812.13932.17024.14223.05163.91152.14252.14072.1347
C42.57801.50883.31744.45942.39413.49272.66543.43031.08781.09201.09315.09894.32665.1621
C52.57803.31741.50884.45943.49272.39413.43032.66545.09894.32665.16211.08781.09201.0931
O62.38251.20813.14192.39413.49273.99703.22872.55252.54733.13283.05674.32772.85274.0687
O72.38253.14191.20813.49272.39413.99702.55253.22874.32772.85274.06872.54733.13283.0567
H81.08952.17022.13932.66543.43033.22872.55251.79313.72362.71902.61374.24883.79313.6354
H91.08952.13932.17023.43032.66542.55253.22871.79314.24883.79313.63543.72362.71902.6137
H103.49842.14254.14221.08785.09892.54734.32773.72364.24881.79181.78325.67634.78185.8839
H112.76302.14073.05161.09204.32663.13282.85272.71903.79311.79181.76104.78184.40125.1090
H122.88642.13473.91151.09315.16213.05674.06872.61373.63541.78321.76105.88395.10905.7147
H133.49844.14222.14255.09891.08784.32772.54734.24883.72365.67634.78185.88391.79181.7832
H142.76303.05162.14074.32661.09202.85273.13283.79312.71904.78184.40125.10901.79181.7610
H152.88643.91152.13475.16211.09314.06873.05673.63542.61375.88395.10905.71471.78321.7610

picture of Acetylacetone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 116.164 C1 C2 O6 120.620
C1 C3 C5 116.164 C1 C3 O7 120.620
C2 C1 C3 107.420 C2 C1 H8 110.877
C2 C1 H9 108.440 C2 C4 H10 110.144
C2 C4 H11 109.750 C2 C4 H12 109.217
C3 C1 H8 108.440 C3 C1 H9 110.877
C3 C5 H13 110.144 C3 C5 H14 109.750
C3 C5 H15 109.217 C4 C2 O6 123.193
C5 C3 O7 123.193 H8 C1 H9 110.742
H10 C4 H11 110.575 H10 C4 H12 109.701
H11 C4 H12 107.402 H13 C5 H14 110.575
H13 C5 H15 109.701 H14 C5 H15 107.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability