CCCBDB calculation results Page

Home
- All data for one species
- Geometry
  - Experimental
  - Calculated
  - Comparisons
  - Bad Calculations
    - Bad moment of inertia
  - Tutorials and Explanations
    - Angle formulas
- Vibrations
  - Experimental
    - Vibrational frequencies
  - Calculated
    - Frequencies
  - Scale factors
- Reactions
- Entropies
- Ions
  - List Ions
  - Energy
    - Calculated Ionization Energy
    - Compare Ionzation energy
  - Electron Affinity
    - Calculated Electron affinity
    - Compare Electron affinity
  - Proton Affinity
    - Calculated Proton affinity
    - Compare Proton affinity
  - Ionization changes point group
Experimental
Calculated
- Energy
  - Optimized
  - Reaction
    - Reaction Energy 0K
    - Reaction Energy 298K
  - Internal Rotation
  - Orbital
  - Nuclear repulsion energy
  - Correlation
    - Full vs Frozen core energies
    - Partial correlation energies
  - Ion
  - Excited State
  - Basis Set Extrapolation
    - BSE energy
    - BSE Bond lengths
- Geometry
  - Calculated geometry
    - AIM bond orders
    - One type of bond
  - Rotation
  - Point group
  - State symmetry
  - <r2>
    - Sorted by r2
  - Z-matrix
  - Bad Calculations
- Vibrations
  - Frequencies
    - Animated vibrations
    - Anharmonic
  - Zero point energy (ZPE)
  - Scale Factors
  - Bad Calculations
- Electrostatics
  - Charges
  - Dipole
  - Quadrupole
  - Polarizability
  - Spin
    - Spin density
- Entropy and Heat Capacity
- Reaction
  - Reaction Energy 0K
  - Reaction Energy 298K
  - Isodesmic reactions
  - Transition State
- Lookup by property
  - By frequency
Comparisons
- Geometry
- Vibrations
- Energy
  - Reaction
  - Single point vs optimized
  - DFT grid size on energy
  - Semiempirical enthalpy
  - Internal rotation
  - Similar molecules
- Entropy
- Electrostatics
- Ion
Resources
- Info on Results
  - Calculations Done
  - Basis functions used
  - I/O files
- Glossary
- Conversion Forms
- Links
  - NIST Links
  - External links
- Thermochemistry
- Tutorials
  - Vibrations
    - Why scale vibrations
    - Zero-point energies
  - Entropy
    - Methyl rotor entropy
    - Entropy and conformations
  - Energy
  - Electrostatics
    - Dipole parts by point group
    - Quadrupoles
  - Geometry
    - Angle formulas
  - Cost
    - Cost Comparison
    - Timings Comparison
- Bad Calculations
  - Geometry
  - Vibrations
  - Low excited states
  - Oddities
    - NaCN Is not linear
FAQ Help
- Units
  - Choose Units
  - Explanations
- Credits
- Just show me
  - Show me a calculated geometry
- Summary
- Using
- List
  - Recent molecules
    - Choose a few
  - Molecules
  - Geometry
  - Vibrations
    - Big anharmonicity
  - Energy
    - Enthalpy at 0 Kelvin
  - Similar molecules
  - Ions, Dipoles, etc.
- Index of CCCBDB
- Feedback
  - Error form
  - Wants

	hartrees
Energy at 0K	-345.593572
Energy at 298.15K	-345.602068
HF Energy	-345.187380
Nuclear repulsion energy	296.604302

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3176	3176	8.13
2	A	3124	3124	6.84
3	A	3095	3095	3.40
4	A	3057	3057	0.23
5	A	1791	1791	19.43
6	A	1492	1492	5.78
7	A	1489	1489	19.06
8	A	1476	1476	8.61
9	A	1400	1400	6.32
10	A	1282	1282	24.05
11	A	1151	1151	1.49
12	A	1085	1085	0.38
13	A	947	947	1.94
14	A	795	795	0.25
15	A	627	627	1.72
16	A	491	491	6.39
17	A	322	322	0.75
18	A	172	172	0.04
19	A	145	145	0.88
20	A	63	63	7.06
21	B	3176	3176	8.60
22	B	3166	3166	6.72
23	B	3124	3124	1.07
24	B	3057	3057	3.98
25	B	1767	1767	283.44
26	B	1488	1488	1.10
27	B	1481	1481	27.95
28	B	1399	1399	91.27
29	B	1265	1265	114.26
30	B	1200	1200	151.29
31	B	1070	1070	7.27
32	B	1006	1006	0.68
33	B	903	903	23.07
34	B	807	807	9.29
35	B	550	550	26.45
36	B	500	500	1.20
37	B	415	415	1.25
38	B	173	173	0.29
39	B	53	53	10.68

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	1.017
C2	0.000	1.230	0.103
C3	0.000	-1.230	0.103
C4	-1.359	1.751	-0.297
C5	1.359	-1.751	-0.297
O6	1.041	1.705	-0.297
O7	-1.041	-1.705	-0.297
H8	-0.899	-0.032	1.632
H9	0.899	0.032	1.632
H10	-1.255	2.508	-1.072
H11	-1.983	0.923	-0.644
H12	-1.854	2.183	0.577
H13	1.255	-2.508	-1.072
H14	1.983	-0.923	-0.644
H15	1.854	-2.183	0.577

	C1	C2	C3	C4	C5	O6	O7	H8	H9	H10	H11	H12	H13	H14	H15
C1		1.5323	1.5323	2.5764	2.5764	2.3910	2.3910	1.0899	1.0899	3.4969	2.7459	2.8974	3.4969	2.7459	2.8974
C2	1.5323		2.4607	1.5092	3.3005	1.2122	3.1401	2.1772	2.1402	2.1424	2.1410	2.1374	4.1150	3.0209	3.9130
C3	1.5323	2.4607		3.3005	1.5092	3.1401	1.2122	2.1402	2.1772	4.1150	3.0209	3.9130	2.1424	2.1410	2.1374
C4	2.5764	1.5092	3.3005		4.4323	2.4004	3.4702	2.6673	3.4311	1.0882	1.0929	1.0939	5.0568	4.2934	5.1535
C5	2.5764	3.3005	1.5092	4.4323		3.4702	2.4004	3.4311	2.6673	5.0568	4.2934	5.1535	1.0882	1.0929	1.0939
O6	2.3910	1.2122	3.1401	2.4004	3.4702		3.9954	3.2410	2.5574	2.5533	3.1424	3.0615	4.2890	2.8129	4.0671
O7	2.3910	3.1401	1.2122	3.4702	2.4004	3.9954		2.5574	3.2410	4.2890	2.8129	4.0671	2.5533	3.1424	3.0615
H8	1.0899	2.1772	2.1402	2.6673	3.4311	3.2410	2.5574		1.7987	3.7274	2.6960	2.6331	4.2523	3.7784	3.6488
H9	1.0899	2.1402	2.1772	3.4311	2.6673	2.5574	3.2410	1.7987		4.2523	3.7784	3.6488	3.7274	2.6960	2.6331
H10	3.4969	2.1424	4.1150	1.0882	5.0568	2.5533	4.2890	3.7274	4.2523		1.7957	1.7842	5.6094	4.7371	5.8645
H11	2.7459	2.1410	3.0209	1.0929	4.2934	3.1424	2.8129	2.6960	3.7784	1.7957		1.7594	4.7371	4.3738	5.0848
H12	2.8974	2.1374	3.9130	1.0939	5.1535	3.0615	4.0671	2.6331	3.6488	1.7842	1.7594		5.8645	5.0848	5.7277
H13	3.4969	4.1150	2.1424	5.0568	1.0882	4.2890	2.5533	4.2523	3.7274	5.6094	4.7371	5.8645		1.7957	1.7842
H14	2.7459	3.0209	2.1410	4.2934	1.0929	2.8129	3.1424	3.7784	2.6960	4.7371	4.3738	5.0848	1.7957		1.7594
H15	2.8974	3.9130	2.1374	5.1535	1.0939	4.0671	3.0615	3.6488	2.6331	5.8645	5.0848	5.7277	1.7842	1.7594

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	115.789	C1	C2	O6	120.750
C1	C3	C5	115.789	C1	C3	O7	120.750
C2	C1	C3	106.828	C2	C1	H8	111.136
C2	C1	H9	108.227	C2	C4	H10	110.082
C2	C4	H11	109.692	C2	C4	H12	109.350
C3	C1	H8	108.227	C3	C1	H9	111.136
C3	C5	H13	110.082	C3	C5	H14	109.692
C3	C5	H15	109.350	C4	C2	O6	123.406
C5	C3	O7	123.406	H8	C1	H9	111.212
H10	C4	H11	110.832	H10	C4	H12	109.694
H11	C4	H12	107.134	H13	C5	H14	110.832
H13	C5	H15	109.694	H14	C5	H15	107.134

All results from a given calculation for C₅H₈O₂ (Acetylacetone)

using model chemistry: B2PLYP=FULL/6-311G**

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
	Home All data for one species Geometry Experimental Experimental Geometries Same bond/angle many molecules Internal Coordinates by type Bond angles Calculated Calculated geometry Rotational constant Moments of inertia Products of moments of inertia BSE Bond lengths Show me a calculated geometry Comparisons Bonds, angles Rotational Constants Products of moments of inertia Point group Bad Calculations Bad moment of inertia Tutorials and Explanations Angle formulas Vibrations Experimental Vibrational frequencies Calculated Frequencies Scale factors Reactions Entropies Ions List Ions Energy Calculated Ionization Energy Compare Ionzation energy Electron Affinity Calculated Electron affinity Compare Electron affinity Proton Affinity Calculated Proton affinity Compare Proton affinity Ionization changes point group Experimental One molecule all properties One property a few molecules Enthalpy of formation Entropy Integrated Heat Capacity Heat Capacity Rotational Constants Vibrational Frequencies Dipole moment Ionization Energy Polarizability Quadrupole Point Groups Geometry Experimental Geometries Internal Coordinates by type Bond angles Rotational Constants Point Groups Diatomic bond lengths Vibrations Vibrational frequencies Diatomic Triatomics Energy Atomization Energy Internal Rotation Electrostatics Dipole Quadrupole Polarizability Reference Data Reference states Spin Splittings Molecules with good enthalpy Enthalpy at 0 Kelvin Calculated Energy Optimized Energy Energy 298K Minimum conformation Hydrogen bonds H bond with counterpoise Reaction Reaction Energy 0K Reaction Energy 298K Internal Rotation Barriers to internal rotation Rotational barrier and dipole Rotational Barrier 2 molecules Orbital HOMO LUMO gap HOMO Orbital Energies Nuclear repulsion energy Correlation Full vs Frozen core energies Partial correlation energies Ion Calculated Ionization Energy Vertical ionization Energy Calculated Electron affinity Calculated Proton affinity Atom charge differences Excited State Singlet triplet gap Electronic state Transition state Basis Set Extrapolation BSE energy BSE Bond lengths Geometry Calculated geometry AIM bond orders One type of bond Rotation Rotational constant Products of moments of inertia Moments of inertia Inertial defects Second moments Point group State symmetry <r2> Sorted by r2 Z-matrix Bad Calculations Bad moment of inertia Bad Calculated Bond Lengths Bad point group Worst molecules Vibrations Frequencies Animated vibrations Anharmonic Zero point energy (ZPE) Scale Factors Scale factors Scale factor uncertainty Calculate a scale factor Why scale vibrations Set scaling factors Bad Calculations Bad Vib. HF vs MP2 Bad vib. Calc. vs exp. Big anharmonicity Electrostatics Charges Mulliken CHELP Aim ESP Dipole Dipole Dipole angle Dipole calculation types Quadrupole Polarizability Spin Spin density Entropy and Heat Capacity Entropy Reaction entropy Heat Capacity Reaction Reaction Energy 0K Reaction Energy 298K Isodesmic reactions Transition State Transition state Transition state frequencies Transition state geometries IRC Lookup by property By frequency Comparisons Geometry Bonds, angles Bond, angle, or dihedral DFT grid size on point group DFT grid on bond length Core correlation - bond length Same bond/angle many molecules Isoelectronic diatomics Isoelectronic triatomic angles Average bond lengths Rotation Rotational Constants Products of moments of inertia Point group Vibrations Vibrations 2 calculations Frequency differences One frequency Zero point energy Intensity Intensity for one mode Vibrational intensities Reduced mass comparison Anharmonic Triatomic Scale factors Energy Reaction Reaction Energy 0K Reaction Energy 298K Atomization 0K Atomization 298K Single point vs optimized DFT grid size on energy Semiempirical enthalpy Internal rotation Similar molecules Conformation Sets of isomers Sets of tautomers Isomers Entropy Entropy Heat capacity Entropy of several molecules Integrated heat capacity Reaction entropy Electrostatics Dipole Polarizability Several molecules Quadrupole Ion Compare Ionzation energy Koopman ionization energy Koopman IE for a few molecules Compare Electron affinity Compare Proton affinity Protonation Site Resources Info on Results Calculations Done Method and basis set List molecules One molecule Multiple conformers, states Multiple conformers, states Basis functions used I/O files Input/output files MOL file Z-matrix wfn files Glossary Conversion Forms B to I, I to B Angle formulas Integrated heat Capacity Calculating Enthalpy Links NIST Links NIST webbook bibliographic data CCCBDB Experimental data External links Basis Set Exchange Computational Chemistry List Thermochemistry in Gaussian Minnesota Database Collection Benchmark Energy and Geometry Point Groups Thermochemistry Thermochemistry Molecules with good enthalpy A → B + C Reference states Tutorials Vibrations Why scale vibrations Zero-point energies Entropy Methyl rotor entropy Entropy and conformations Energy Getting enthalpy of formation Vertical vs adiabatic IE Thermo from calculations Electrostatics Dipole parts by point group Quadrupoles Geometry Angle formulas Cost Cost Comparison Timings Comparison Bad Calculations Geometry Bad moment of inertia Bad Calculated Bond Lengths Bad point group Worst molecules Vibrations Bad vib. Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H8O2 (Acetylacetone)

using model chemistry: B2PLYP=FULL/6-311G**

States and conformations

All results from a given calculation for C₅H₈O₂ (Acetylacetone)