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	-269.800316
Energy at 298.15K	-269.809996
HF Energy	-268.883593
Nuclear repulsion energy	234.406537

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3156	3019	4.43
2	A	3143	3007	20.72
3	A	3075	2942	7.09
4	A	3075	2942	17.15
5	A	1896	1814	180.99
6	A	1510	1444	0.97
7	A	1454	1391	0.04
8	A	1361	1302	0.44
9	A	1323	1266	0.41
10	A	1234	1180	0.01
11	A	1194	1143	0.55
12	A	1052	1006	0.57
13	A	972	930	0.01
14	A	923	883	0.26
15	A	834	798	0.94
16	A	725	694	0.60
17	A	564	540	3.64
18	A	253	242	0.08
19	B	3157	3021	25.55
20	B	3146	3010	28.63
21	B	3078	2944	38.24
22	B	3074	2941	10.00
23	B	1494	1429	4.28
24	B	1456	1393	17.51
25	B	1356	1297	3.47
26	B	1319	1262	14.54
27	B	1265	1210	4.11
28	B	1193	1141	56.23
29	B	1170	1119	0.21
30	B	985	942	8.50
31	B	929	889	0.38
32	B	862	825	7.07
33	B	583	557	2.02
34	B	477	456	6.44
35	B	455	435	3.23
36	B	95	91	3.91

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	2.136
C2	0.000	0.000	0.928
C3	0.000	1.246	0.027
C4	0.000	-1.246	0.027
C5	0.320	0.704	-1.378
C6	-0.320	-0.704	-1.378
H7	-1.020	1.676	0.060
H8	1.020	-1.676	0.060
H9	0.694	2.012	0.411
H10	-0.694	-2.012	0.411
H11	-0.054	1.348	-2.191
H12	0.054	-1.348	-2.191
H13	1.416	0.611	-1.504
H14	-1.416	-0.611	-1.504

	O1	C2	C3	C4	C5	C6	H7	H8	H9	H10	H11	H12	H13	H14
O1		1.2081	2.4498	2.4498	3.5981	3.5981	2.8569	2.8569	2.7396	2.7396	4.5327	4.5327	3.9529	3.9529
C2	1.2081		1.5379	1.5379	2.4322	2.4322	2.1459	2.1459	2.1900	2.1900	3.3985	3.3985	2.8794	2.8794
C3	2.4498	1.5379		2.4929	1.5396	2.4253	1.1077	3.0958	1.1021	3.3532	2.2215	3.4137	2.1800	2.7924
C4	2.4498	1.5379	2.4929		2.4253	1.5396	3.0958	1.1077	3.3532	1.1021	3.4137	2.2215	2.7924	2.1800
C5	3.5981	2.4322	1.5396	2.4253		1.5473	2.1929	2.8678	2.2467	3.4065	1.1027	2.2232	1.1071	2.1817
C6	3.5981	2.4322	2.4253	1.5396	1.5473		2.8678	2.1929	3.4065	2.2467	2.2232	1.1027	2.1817	1.1071
H7	2.8569	2.1459	1.1077	3.0958	2.1929	2.8678		3.9248	1.7822	3.7187	2.4717	3.9200	3.0848	2.7984
H8	2.8569	2.1459	3.0958	1.1077	2.8678	2.1929	3.9248		3.7187	1.7822	3.9200	2.4717	2.7984	3.0848
H9	2.7396	2.1900	1.1021	3.3532	2.2467	3.4065	1.7822	3.7187		4.2560	2.7879	4.2969	2.4794	3.8723
H10	2.7396	2.1900	3.3532	1.1021	3.4065	2.2467	3.7187	1.7822	4.2560		4.2969	2.7879	3.8723	2.4794
H11	4.5327	3.3985	2.2215	3.4137	1.1027	2.2232	2.4717	3.9200	2.7879	4.2969		2.6973	1.7828	2.4823
H12	4.5327	3.3985	3.4137	2.2215	2.2232	1.1027	3.9200	2.4717	4.2969	2.7879	2.6973		2.4823	1.7828
H13	3.9529	2.8794	2.1800	2.7924	1.1071	2.1817	3.0848	2.7984	2.4794	3.8723	1.7828	2.4823		3.0843
H14	3.9529	2.8794	2.7924	2.1800	2.1817	1.1071	2.7984	3.0848	3.8723	2.4794	2.4823	1.7828	3.0843

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C3	125.858	O1	C2	C4	125.858
C2	C3	C5	104.429	C2	C3	H7	107.285
C2	C3	H9	111.024	C2	C4	C6	104.429
C2	C4	H8	107.285	C2	C4	H10	111.024
C3	C2	C4	108.283	C3	C5	C6	103.564
C3	C5	H11	113.404	C3	C5	H13	109.827
C4	C6	C5	103.564	C4	C6	H12	113.404
C4	C6	H14	109.827	C5	C3	H7	110.800
C5	C3	H9	115.534	C5	C6	H12	112.985
C5	C6	H14	109.433	C6	C4	H8	110.800
C6	C4	H10	115.534	C6	C5	H11	112.985
C6	C5	H13	109.433	H7	C3	H9	107.506
H8	C4	H10	107.506	H11	C5	H13	107.567
H12	C6	H14	107.567

All results from a given calculation for C₅H₈O (Cyclopentanone)

using model chemistry: CCD/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

All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: CCD/cc-pVDZ

States and conformations

All results from a given calculation for C₅H₈O (Cyclopentanone)