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	-270.241422
Energy at 298.15K	-270.250862
HF Energy	-270.241422
Nuclear repulsion energy	233.863008

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3049	3032	5.46
2	A	3037	3020	20.86
3	A	2972	2955	22.06
4	A	2963	2946	5.02
5	A	1781	1770	203.43
6	A	1429	1420	1.52
7	A	1363	1355	0.13
8	A	1286	1278	0.92
9	A	1247	1239	0.96
10	A	1167	1161	0.18
11	A	1128	1121	0.14
12	A	1014	1009	0.73
13	A	920	914	0.22
14	A	889	884	0.36
15	A	790	786	1.81
16	A	684	680	0.79
17	A	541	538	5.15
18	A	236	235	0.17
19	B	3050	3032	18.33
20	B	3042	3024	26.70
21	B	2977	2960	38.32
22	B	2963	2946	5.23
23	B	1413	1405	4.71
24	B	1364	1356	19.12
25	B	1284	1276	5.44
26	B	1240	1233	8.15
27	B	1197	1190	8.47
28	B	1115	1109	59.48
29	B	1107	1100	17.42
30	B	952	946	9.92
31	B	886	881	0.45
32	B	817	813	12.61
33	B	566	563	2.59
34	B	455	453	3.70
35	B	433	431	1.97
36	B	97	96	4.24

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	2.149
C2	0.000	0.000	0.930
C3	0.000	1.243	0.024
C4	0.000	-1.243	0.024
C5	0.308	0.710	-1.383
C6	-0.308	-0.710	-1.383
H7	-1.026	1.672	0.074
H8	1.026	-1.672	0.074
H9	0.687	2.019	0.413
H10	-0.687	-2.019	0.413
H11	-0.087	1.350	-2.196
H12	0.087	-1.350	-2.196
H13	1.408	0.639	-1.526
H14	-1.408	-0.639	-1.526

	O1	C2	C3	C4	C5	C6	H7	H8	H9	H10	H11	H12	H13	H14
O1		1.2191	2.4614	2.4614	3.6154	3.6154	2.8558	2.8558	2.7498	2.7498	4.5502	4.5502	3.9871	3.9871
C2	1.2191		1.5376	1.5376	2.4385	2.4385	2.1407	2.1407	2.1942	2.1942	3.4055	3.4055	2.9021	2.9021
C3	2.4614	1.5376		2.4852	1.5358	2.4260	1.1139	3.0907	1.1071	3.3554	2.2242	3.4140	2.1796	2.8154
C4	2.4614	1.5376	2.4852		2.4260	1.5358	3.0907	1.1139	3.3554	1.1071	3.4140	2.2242	2.8154	2.1796
C5	3.6154	2.4385	1.5358	2.4260		1.5469	2.1975	2.8829	2.2543	3.4143	1.1074	2.2249	1.1117	2.1870
C6	3.6154	2.4385	2.4260	1.5358	1.5469		2.8829	2.1975	3.4143	2.2543	2.2249	1.1074	2.1870	1.1117
H7	2.8558	2.1407	1.1139	3.0907	2.1975	2.8829		3.9243	1.7812	3.7218	2.4774	3.9398	3.0910	2.8367
H8	2.8558	2.1407	3.0907	1.1139	2.8829	2.1975	3.9243		3.7218	1.7812	3.9398	2.4774	2.8367	3.0910
H9	2.7498	2.1942	1.1071	3.3554	2.2543	3.4143	1.7812	3.7218		4.2649	2.8019	4.3023	2.4864	3.9004
H10	2.7498	2.1942	3.3554	1.1071	3.4143	2.2543	3.7218	1.7812	4.2649		4.3023	2.8019	3.9004	2.4864
H11	4.5502	3.4055	2.2242	3.4140	1.1074	2.2249	2.4774	3.9398	2.8019	4.3023		2.7050	1.7855	2.4795
H12	4.5502	3.4055	3.4140	2.2242	2.2249	1.1074	3.9398	2.4774	4.3023	2.8019	2.7050		2.4795	1.7855
H13	3.9871	2.9021	2.1796	2.8154	1.1117	2.1870	3.0910	2.8367	2.4864	3.9004	1.7855	2.4795		3.0923
H14	3.9871	2.9021	2.8154	2.1796	2.1870	1.1117	2.8367	3.0910	3.9004	2.4864	2.4795	1.7855	3.0923

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	126.084	O1	C2	C4	126.084
C2	C3	C5	105.017	C2	C3	H7	106.586
C2	C3	H9	111.086	C2	C4	C6	105.017
C2	C4	H8	106.586	C2	C4	H10	111.086
C3	C2	C4	107.833	C3	C5	C6	103.806
C3	C5	H11	113.603	C3	C5	H13	109.789
C4	C6	C5	103.806	C4	C6	H12	113.603
C4	C6	H14	109.789	C5	C3	H7	111.063
C5	C3	H9	116.124	C5	C6	H12	112.857
C5	C6	H14	109.607	C6	C4	H8	111.063
C6	C4	H10	116.124	C6	C5	H11	112.857
C6	C5	H13	109.607	H7	C3	H9	106.634
H8	C4	H10	106.634	H11	C5	H13	107.148
H12	C6	H14	107.148

All results from a given calculation for C₅H₈O (Cyclopentanone)

using model chemistry: PBEPBEultrafine/cc-pVDZ

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

Number	Element	Mulliken
1	O	-0.180
2	C	0.009
3	C	-0.019
4	C	-0.019
5	C	-0.047
6	C	-0.047
7	H	0.057
8	H	0.057
9	H	0.040
10	H	0.040
11	H	0.021
12	H	0.021
13	H	0.032
14	H	0.032

	x	y	z
x	6.883	0.076	0.000
y	0.076	8.674	0.000
z	0.000	0.000	9.128

<r²>	154.394
(<r²>)^1/2	12.426

All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: PBEPBEultrafine/cc-pVDZ

States and conformations

All results from a given calculation for C₅H₈O (Cyclopentanone)