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	-270.662752
Energy at 298.15K
HF Energy	-270.662752
Nuclear repulsion energy	258.956529

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3206	3078	2.98
2	A₁	3195	3068	32.11
3	A₁	3163	3037	3.66
4	A₁	3157	3031	5.17
5	A₁	1642	1576	3.76
6	A₁	1553	1491	11.71
7	A₁	1477	1418	6.67
8	A₁	1288	1237	1.01
9	A₁	1195	1147	2.25
10	A₁	970	931	3.49
11	A₁	918	881	0.81
12	A₁	857	823	0.19
13	A₁	445	428	0.25
14	A₂	993	953	0.00
15	A₂	845	811	0.00
16	A₂	760	729	0.00
17	A₂	561	538	0.00
18	A₂	147	141	0.00
19	B₁	1008	968	0.00
20	B₁	983	944	0.24
21	B₁	770	740	1.37
22	B₁	648	623	87.72
23	B₁	512	491	38.98
24	B₁	287	276	0.00
25	B₂	3198	3071	24.50
26	B₂	3181	3054	14.94
27	B₂	3158	3032	5.19
28	B₂	1654	1588	9.32
29	B₂	1487	1428	4.42
30	B₂	1415	1359	0.01
31	B₂	1308	1256	0.02
32	B₂	1249	1199	1.46
33	B₂	982	943	5.60
34	B₂	909	873	1.23
35	B₂	418	401	0.28
36	B₂	100i	96i	11.08

Atom	y (Å)	z (Å)
C1	0.000	1.604
C2	1.257	1.018
C3	-1.257	1.018
C4	1.563	-0.377
C5	-1.563	-0.377
C6	0.723	-1.443
C7	-0.723	-1.443
H8	0.000	2.692
H9	2.107	1.690
H10	-2.107	1.690
H11	2.624	-0.611
H12	-2.624	-0.611
H13	1.186	-2.425
H14	-1.186	-2.425

	C1	C2	C3	C4	C5	C6	C7	H8	H9	H10	H11	H12	H13	H14
C1		1.3874	1.3874	2.5228	2.5228	3.1315	3.1315	1.0878	2.1092	2.1092	3.4342	3.4342	4.1996	4.1996
C2	1.3874		2.5149	1.4274	3.1459	2.5179	3.1587	2.0937	1.0840	3.4315	2.1264	4.2095	3.4431	4.2214
C3	1.3874	2.5149		3.1459	1.4274	3.1587	2.5179	2.0937	3.4315	1.0840	4.2095	2.1264	4.2214	3.4431
C4	2.5228	1.4274	3.1459		3.1252	1.3569	2.5223	3.4434	2.1378	4.2121	1.0872	4.1933	2.0823	3.4277
C5	2.5228	3.1459	1.4274	3.1252		2.5223	1.3569	3.4434	4.2121	2.1378	4.1933	1.0872	3.4277	2.0823
C6	3.1315	2.5179	3.1587	1.3569	2.5223		1.4465	4.1974	3.4255	4.2226	2.0748	3.4491	1.0854	2.1469
C7	3.1315	3.1587	2.5179	2.5223	1.3569	1.4465		4.1974	4.2226	3.4255	3.4491	2.0748	2.1469	1.0854
H8	1.0878	2.0937	2.0937	3.4434	3.4434	4.1974	4.1974		2.3332	2.3332	4.2186	4.2186	5.2521	5.2521
H9	2.1092	1.0840	3.4315	2.1378	4.2121	3.4255	4.2226	2.3332		4.2149	2.3591	5.2617	4.2170	5.2708
H10	2.1092	3.4315	1.0840	4.2121	2.1378	4.2226	3.4255	2.3332	4.2149		5.2617	2.3591	5.2708	4.2170
H11	3.4342	2.1264	4.2095	1.0872	4.1933	2.0748	3.4491	4.2186	2.3591	5.2617		5.2482	2.3144	4.2197
H12	3.4342	4.2095	2.1264	4.1933	1.0872	3.4491	2.0748	4.2186	5.2617	2.3591	5.2482		4.2197	2.3144
H13	4.1996	3.4431	4.2214	2.0823	3.4277	1.0854	2.1469	5.2521	4.2170	5.2708	2.3144	4.2197		2.3721
H14	4.1996	4.2214	3.4431	3.4277	2.0823	2.1469	1.0854	5.2521	5.2708	4.2170	4.2197	2.3144	2.3721

Number	Element	Mulliken
1	C	-0.112
2	C	-0.133
3	C	-0.133
4	C	-0.115
5	C	-0.115
6	C	-0.123
7	C	-0.123
8	H	0.120
9	H	0.124
10	H	0.124
11	H	0.121
12	H	0.121
13	H	0.123
14	H	0.123

All results from a given calculation for C₇H₇ (cycloheptatrienyl radical)

using model chemistry: HSEh1PBE/TZVP

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

<r²>	185.148
(<r²>)^1/2	13.607

All results from a given calculation for C7H7 (cycloheptatrienyl radical)

using model chemistry: HSEh1PBE/TZVP

States and conformations

All results from a given calculation for C₇H₇ (cycloheptatrienyl radical)