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	-270.043694
Energy at 298.15K	-270.053349
HF Energy	-268.961302
Nuclear repulsion energy	236.132543

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3161	3012	15.25
2	A	3160	3011	4.33
3	A	3153	3004	20.05
4	A	3148	3000	14.54
5	A	3084	2939	29.96
6	A	3079	2934	20.40
7	A	3073	2928	4.34
8	A	3072	2928	1.07
9	A	1778	1694	186.67
10	A	1519	1448	1.43
11	A	1507	1436	5.15
12	A	1462	1393	19.37
13	A	1462	1393	0.08
14	A	1343	1280	0.37
15	A	1341	1278	2.31
16	A	1309	1248	1.70
17	A	1307	1246	6.56
18	A	1258	1199	5.32
19	A	1230	1172	0.24
20	A	1177	1122	53.25
21	A	1177	1121	0.18
22	A	1167	1112	4.75
23	A	1047	998	0.78
24	A	981	935	9.62
25	A	967	921	0.14
26	A	925	881	0.27
27	A	919	876	0.39
28	A	856	815	9.41
29	A	829	790	1.52
30	A	716	683	1.59
31	A	580	553	1.94
32	A	560	534	4.71
33	A	471	449	6.12
34	A	447	426	2.51
35	A	252	241	0.13
36	A	93	89	4.69

Atom	x (Å)	y (Å)	z (Å)
C1	1.369	-0.729	-0.244
H2	2.171	-1.320	0.195
H3	1.494	-0.752	-1.328
C4	1.370	0.729	0.242
H5	2.172	1.319	-0.198
H6	1.497	0.752	1.327
C7	-0.024	1.229	-0.130
H8	-0.062	1.541	-1.177
H9	-0.408	2.049	0.473
C10	-0.025	-1.229	0.130
H11	-0.412	-2.045	-0.477
H12	-0.060	-1.549	1.175
C13	-0.915	0.001	0.007
O14	-2.130	0.000	-0.003

	C1	H2	H3	C4	H5	H6	C7	H8	H9	C10	H11	H12	C13	O14
C1		1.0885	1.0918	1.5366	2.1999	2.1624	2.4058	2.8418	3.3754	1.5277	2.2273	2.1746	2.4115	3.5828
H2	1.0885		1.7610	2.2003	2.6682	2.4556	3.3797	3.8807	4.2527	2.1990	2.7660	2.4480	3.3626	4.5038
H3	1.0918	1.7610		2.1618	2.4542	3.0511	2.7683	2.7754	3.8353	2.1591	2.4559	3.0525	2.8555	3.9316
C4	1.5366	2.2003	2.1618		1.0885	1.0918	1.5276	2.1745	2.2274	2.4067	3.3748	2.8464	2.4102	3.5838
H5	2.1999	2.6682	2.4542	1.0885		1.7611	2.1987	2.4493	2.7641	3.3802	4.2511	3.8846	3.3628	4.5036
H6	2.1624	2.4556	3.0511	1.0918	1.7611		2.1593	3.0535	2.4580	2.7701	3.8371	2.7822	2.8505	3.9355
C7	2.4058	3.3797	2.7683	1.5276	2.1987	2.1593		1.0936	1.0883	2.4717	3.3153	3.0689	1.5233	2.4414
H8	2.8418	3.8807	2.7754	2.1745	2.4493	3.0535	1.0936		1.7610	3.0635	3.6710	3.8834	2.1218	2.8336
H9	3.3754	4.2527	3.8353	2.2274	2.7641	2.4580	1.0883	1.7610		3.3187	4.2036	3.6823	2.1612	2.7185
C10	1.5277	2.1990	2.1591	2.4067	3.3802	2.7701	2.4717	3.0635	3.3187		1.0884	1.0935	1.5234	2.4415
H11	2.2273	2.7660	2.4559	3.3748	4.2511	3.8371	3.3153	3.6710	4.2036	1.0884		1.7609	2.1621	2.7132
H12	2.1746	2.4480	3.0525	2.8464	3.8846	2.7822	3.0689	3.8834	3.6823	1.0935	1.7609		2.1206	2.8409
C13	2.4115	3.3626	2.8555	2.4102	3.3628	2.8505	1.5233	2.1218	2.1612	1.5234	2.1621	2.1206		1.2149
O14	3.5828	4.5038	3.9316	3.5838	4.5036	3.9355	2.4414	2.8336	2.7185	2.4415	2.7132	2.8409	1.2149

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	36.193	O1	C2	C4	40.079
C2	C3	C5	76.588	C2	C3	H7	93.871
C2	C3	H9	91.167	C2	C4	C6	89.959
C2	C4	H8	125.006	C2	C4	H10	56.808
C3	C2	C4	65.048	C3	C5	C6	91.223
C3	C5	H11	30.040	C3	C5	H13	56.218
C4	C6	C5	36.058	C4	C6	H12	82.140
C4	C6	H14	63.484	C5	C3	H7	49.348
C5	C3	H9	45.936	C5	C6	H12	115.686
C5	C6	H14	97.013	C6	C4	H8	135.782
C6	C4	H10	97.536	C6	C5	H11	64.485
C6	C5	H13	57.954	H7	C3	H9	3.769
H8	C4	H10	83.771	H11	C5	H13	30.220
H12	C6	H14	46.196

All results from a given calculation for C₅H₈O (Cyclopentanone)

using model chemistry: MP2/aug-cc-pVTZ

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 C5H8O (Cyclopentanone)

using model chemistry: MP2/aug-cc-pVTZ

States and conformations

All results from a given calculation for C₅H₈O (Cyclopentanone)