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	-195.982285
Energy at 298.15K	-195.993941
HF Energy	-195.195935
Nuclear repulsion energy	187.920669

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3166	2998	89.30
2	A	3151	2984	14.66
3	A	3150	2983	20.68
4	A	3140	2974	10.36
5	A	3134	2969	22.09
6	A	3104	2940	41.80
7	A	3090	2927	46.22
8	A	3088	2924	11.91
9	A	3082	2919	33.16
10	A	3079	2916	24.40
11	A	1564	1481	0.30
12	A	1538	1457	7.81
13	A	1536	1455	5.07
14	A	1529	1448	6.68
15	A	1525	1444	0.51
16	A	1375	1302	0.91
17	A	1372	1300	0.55
18	A	1372	1299	0.06
19	A	1356	1284	1.40
20	A	1313	1244	0.49
21	A	1311	1241	0.82
22	A	1267	1200	0.09
23	A	1252	1185	0.53
24	A	1230	1165	0.32
25	A	1208	1144	0.00
26	A	1090	1033	0.05
27	A	1072	1015	0.00
28	A	1024	970	0.82
29	A	986	934	1.96
30	A	943	893	2.92
31	A	936	886	2.88
32	A	917	868	0.69
33	A	890	843	0.98
34	A	842	798	0.39
35	A	784	742	1.08
36	A	616	583	0.13
37	A	556	527	1.20
38	A	281	266	0.02
39	A	12	12	0.00

Atom	x (Å)	y (Å)	z (Å)
C1	0.761	-0.990	0.265
C2	0.010	1.284	0.130
C3	-1.243	0.380	0.015
C4	-0.710	-1.062	-0.159
C5	1.193	0.383	-0.251
H6	0.134	1.626	1.162
H7	-0.059	2.177	-0.497
H8	-1.871	0.672	-0.831
H9	-1.865	0.462	0.910
H10	-0.766	-1.360	-1.211
H11	-1.285	-1.794	0.414
H12	1.360	-1.814	-0.133
H13	0.843	-1.015	1.358
H14	1.305	0.345	-1.340
H15	2.142	0.730	0.168

	C1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11	H12	H13	H14	H15
C1		2.3979	2.4401	1.5322	1.5285	2.8357	3.3583	3.2996	3.0690	2.1555	2.2035	1.0938	1.0965	2.1570	2.2071
C2	2.3979		1.5497	2.4707	1.5345	1.0946	1.0932	2.1992	2.1907	3.0647	3.3513	3.3892	2.7357	2.1732	2.2027
C3	2.4401	1.5497		1.5469	2.4503	2.1835	2.2122	1.0931	1.0933	2.1812	2.2105	3.4075	2.8460	2.8868	3.4064
C4	1.5322	2.4707	1.5469		2.3908	3.1118	3.3207	2.1922	2.1908	1.0950	1.0933	2.2025	2.1708	2.7269	3.3834
C5	1.5285	1.5345	2.4503	2.3908		2.1594	2.2010	3.1313	3.2714	2.7924	3.3646	2.2063	2.1596	1.0963	1.0938
H6	2.8357	1.0946	2.1835	3.1118	2.1594		1.7586	2.9841	2.3267	3.9194	3.7776	3.8749	2.7415	3.0462	2.4130
H7	3.3583	1.0932	2.2122	3.3207	2.2010	1.7586		2.3791	2.8602	3.6772	4.2545	4.2510	3.7999	2.4354	2.7165
H8	3.2996	2.1992	1.0931	2.1922	3.1313	2.9841	2.3791		1.7542	2.3440	2.8240	4.1358	3.8729	3.2335	4.1355
H9	3.0690	2.1907	1.0933	2.1908	3.2714	2.3267	2.8602	1.7542		3.0048	2.3816	4.0827	3.1164	3.8898	4.0833
H10	2.1555	3.0647	2.1812	1.0950	2.7924	3.9194	3.6772	2.3440	3.0048		1.7605	2.4265	3.0504	2.6860	3.8372
H11	2.2035	3.3513	2.2105	1.0933	3.3646	3.7776	4.2545	2.8240	2.3816	1.7605		2.7013	2.4543	3.7899	4.2627
H12	1.0938	3.3892	3.4075	2.2025	2.2063	3.8749	4.2510	4.1358	4.0827	2.4265	2.7013		1.7687	2.4737	2.6776
H13	1.0965	2.7357	2.8460	2.1708	2.1596	2.7415	3.7999	3.8729	3.1164	3.0504	2.4543	1.7687		3.0566	2.4790
H14	2.1570	2.1732	2.8868	2.7269	1.0963	3.0462	2.4354	3.2335	3.8898	2.6860	3.7899	2.4737	3.0566		1.7675
H15	2.2071	2.2027	3.4064	3.3834	1.0938	2.4130	2.7165	4.1355	4.0833	3.8372	4.2627	2.6776	2.4790	1.7675

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C4	C3	104.832	C1	C4	H10	109.122
C1	C4	H11	113.056	C1	C5	C2	103.053
C1	C5	H14	109.430	C1	C5	H15	113.600
C2	C3	C4	105.854	C2	C3	H8	111.472
C2	C3	H9	110.781	C2	C5	H14	110.285
C2	C5	H15	112.806	C3	C2	C5	105.208
C3	C2	H6	110.133	C3	C2	H7	112.506
C3	C4	H10	110.127	C3	C4	H11	112.570
C4	C1	C5	102.727	C4	C1	H12	112.947
C4	C1	H13	110.240	C4	C3	H8	111.110
C4	C3	H9	110.990	C5	C1	H12	113.537
C5	C1	H13	109.623	C5	C2	H6	109.295
C5	C2	H7	112.703	H6	C2	H7	106.995
H8	C3	H9	106.708	H10	C4	H11	107.117
H12	C1	H13	107.710	H14	C5	H15	107.619

All results from a given calculation for C₅H₁₀ (Cyclopentane)

using model chemistry: MP2=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 C5H10 (Cyclopentane)

using model chemistry: MP2=FULL/6-311G*

States and conformations

All results from a given calculation for C₅H₁₀ (Cyclopentane)