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	-269.790273
Energy at 298.15K	-269.799976
HF Energy	-268.882479
Nuclear repulsion energy	235.706115

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3208	3013	4.90
2	A	3195	3001	16.01
3	A	3127	2937	22.92
4	A	3121	2931	4.19
5	A	1786	1678	177.76
6	A	1551	1456	1.27
7	A	1495	1404	0.07
8	A	1378	1294	0.22
9	A	1339	1258	1.70
10	A	1248	1172	0.03
11	A	1203	1130	0.24
12	A	1067	1002	0.96
13	A	984	924	0.22
14	A	930	873	0.40
15	A	843	791	0.87
16	A	734	689	1.87
17	A	574	539	4.37
18	A	250	235	0.12
19	B	3210	3015	22.60
20	B	3201	3006	23.23
21	B	3130	2940	34.47
22	B	3121	2931	7.79
23	B	1536	1443	5.34
24	B	1495	1404	19.76
25	B	1375	1291	1.14
26	B	1330	1249	11.08
27	B	1281	1203	3.60
28	B	1198	1125	54.44
29	B	1181	1109	1.92
30	B	997	936	10.68
31	B	944	887	0.34
32	B	872	819	8.38
33	B	594	558	1.74
34	B	476	447	4.58
35	B	455	427	4.21
36	B	96	90	5.15

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	2.137
C2	0.000	0.000	0.913
C3	0.000	1.238	0.024
C4	0.000	-1.238	0.024
C5	0.318	0.700	-1.371
C6	-0.318	-0.700	-1.371
H7	-1.006	1.665	0.058
H8	1.006	-1.665	0.058
H9	0.689	1.987	0.409
H10	-0.689	-1.987	0.409
H11	-0.057	1.335	-2.172
H12	0.057	-1.335	-2.172
H13	1.399	0.610	-1.499
H14	-1.399	-0.610	-1.499

	O1	C2	C3	C4	C5	C6	H7	H8	H9	H10	H11	H12	H13	H14
O1		1.2247	2.4489	2.4489	3.5917	3.5917	2.8473	2.8473	2.7221	2.7221	4.5118	4.5118	3.9435	3.9435
C2	1.2247		1.5235	1.5235	2.4096	2.4096	2.1246	2.1246	2.1626	2.1626	3.3616	3.3616	2.8538	2.8538
C3	2.4489	1.5235		2.4754	1.5290	2.4087	1.0937	3.0721	1.0884	3.3201	2.1993	3.3830	2.1613	2.7732
C4	2.4489	1.5235	2.4754		2.4087	1.5290	3.0721	1.0937	3.3201	1.0884	3.3830	2.1993	2.7732	2.1613
C5	3.5917	2.4096	1.5290	2.4087		1.5370	2.1744	2.8472	2.2284	3.3769	1.0887	2.2019	1.0921	2.1630
C6	3.5917	2.4096	2.4087	1.5290	1.5370		2.8472	2.1744	3.3769	2.2284	2.2019	1.0887	2.1630	1.0921
H7	2.8473	2.1246	1.0937	3.0721	2.1744	2.8472		3.8904	1.7610	3.6824	2.4464	3.8859	3.0532	2.7842
H8	2.8473	2.1246	3.0721	1.0937	2.8472	2.1744	3.8904		3.6824	1.7610	3.8859	2.4464	2.7842	3.0532
H9	2.7221	2.1626	1.0884	3.3201	2.2284	3.3769	1.7610	3.6824		4.2065	2.7651	4.2543	2.4582	3.8400
H10	2.7221	2.1626	3.3201	1.0884	3.3769	2.2284	3.6824	1.7610	4.2065		4.2543	2.7651	3.8400	2.4582
H11	4.5118	3.3616	2.1993	3.3830	1.0887	2.2019	2.4464	3.8859	2.7651	4.2543		2.6718	1.7599	2.4569
H12	4.5118	3.3616	3.3830	2.1993	2.2019	1.0887	3.8859	2.4464	4.2543	2.7651	2.6718		2.4569	1.7599
H13	3.9435	2.8538	2.1613	2.7732	1.0921	2.1630	3.0532	2.7842	2.4582	3.8400	1.7599	2.4569		3.0521
H14	3.9435	2.8538	2.7732	2.1613	2.1630	1.0921	2.7842	3.0532	3.8400	2.4582	2.4569	1.7599	3.0521

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	125.668	O1	C2	C4	125.668
C2	C3	C5	104.257	C2	C3	H7	107.401
C2	C3	H9	110.682	C2	C4	C6	104.257
C2	C4	H8	107.401	C2	C4	H10	110.682
C3	C2	C4	108.664	C3	C5	C6	103.552
C3	C5	H11	113.244	C3	C5	H13	109.969
C4	C6	C5	103.552	C4	C6	H12	113.244
C4	C6	H14	109.969	C5	C3	H7	110.915
C5	C3	H9	115.696	C5	C6	H12	112.871
C5	C6	H14	109.553	C6	C4	H8	110.915
C6	C4	H10	115.696	C6	C5	H11	112.871
C6	C5	H13	109.553	H7	C3	H9	107.614
H8	C4	H10	107.614	H11	C5	H13	107.605
H12	C6	H14	107.605

All results from a given calculation for C₅H₈O (Cyclopentanone)

using model chemistry: MP2=FULL/6-31+G**

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=FULL/6-31+G**

States and conformations

All results from a given calculation for C₅H₈O (Cyclopentanone)