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	-306.461987
Energy at 298.15K	-306.466574
HF Energy	-306.461987
Nuclear repulsion energy	296.143604

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3247	3229	2.78
2	A₁	3184	3166	15.60
3	A₁	3157	3140	7.30
4	A₁	1744	1735	386.95
5	A₁	1512	1504	52.87
6	A₁	1434	1426	33.35
7	A₁	1355	1347	66.97
8	A₁	1163	1157	33.23
9	A₁	1078	1072	1.38
10	A₁	974	969	11.87
11	A₁	922	917	1.79
12	A₁	870	865	45.33
13	A₁	470	468	0.99
14	A₂	903	898	0.00
15	A₂	891	886	0.00
16	A₂	685	681	0.00
17	A₂	582	579	0.00
18	A₂	209	208	0.00
19	B₁	871	866	0.09
20	B₁	736	732	62.01
21	B₁	708	704	93.53
22	B₁	615	611	5.72
23	B₁	423	421	8.09
24	B₁	134	133	6.16
25	B₂	3205	3187	2.98
26	B₂	3174	3156	23.74
27	B₂	3147	3130	2.21
28	B₂	1519	1511	0.11
29	B₂	1302	1295	0.09
30	B₂	1157	1151	0.20
31	B₂	1093	1087	14.46
32	B₂	1061	1055	13.40
33	B₂	858	853	2.77
34	B₂	835	830	1.22
35	B₂	469	466	1.09
36	B₂	147	147	1.69

Atom	y (Å)	z (Å)
C1	0.000	-0.042
C2	0.000	1.310
C3	0.671	2.607
C4	-0.671	2.607
C5	1.188	-0.926
C6	-1.188	-0.926
C7	0.739	-2.228
C8	-0.739	-2.228
H9	1.588	3.178
H10	-1.588	3.178
H11	2.217	-0.577
H12	-2.217	-0.577
H13	1.356	-3.123
H14	-1.356	-3.123

	C1	C2	C3	C4	C5	C6	C7	C8	H9	H10	H11	H12	H13	H14
C1		1.3516	2.7330	2.7330	1.4811	1.4811	2.3078	2.3078	3.5905	3.5905	2.2809	2.2809	3.3668	3.3668
C2	1.3516		1.4611	1.4611	2.5320	2.5320	3.6142	3.6142	2.4523	2.4523	2.9115	2.9115	4.6360	4.6360
C3	2.7330	1.4611		1.3424	3.5713	3.9930	4.8361	5.0370	1.0802	2.3306	3.5403	4.2996	5.7717	6.0790
C4	2.7330	1.4611	1.3424		3.9930	3.5713	5.0370	4.8361	2.3306	1.0802	4.2996	3.5403	6.0790	5.7717
C5	1.4811	2.5320	3.5713	3.9930		2.3762	1.3772	2.3257	4.1238	4.9553	1.0865	3.4230	2.2036	3.3618
C6	1.4811	2.5320	3.9930	3.5713	2.3762		2.3257	1.3772	4.9553	4.1238	3.4230	1.0865	3.3618	2.2036
C7	2.3078	3.6142	4.8361	5.0370	1.3772	2.3257		1.4781	5.4725	5.8860	2.2157	3.3858	1.0875	2.2786
C8	2.3078	3.6142	5.0370	4.8361	2.3257	1.3772	1.4781		5.8860	5.4725	3.3858	2.2157	2.2786	1.0875
H9	3.5905	2.4523	1.0802	2.3306	4.1238	4.9553	5.4725	5.8860		3.1768	3.8078	5.3466	6.3058	6.9556
H10	3.5905	2.4523	2.3306	1.0802	4.9553	4.1238	5.8860	5.4725	3.1768		5.3466	3.8078	6.9556	6.3058
H11	2.2809	2.9115	3.5403	4.2996	1.0865	3.4230	2.2157	3.3858	3.8078	5.3466		4.4342	2.6875	4.3876
H12	2.2809	2.9115	4.2996	3.5403	3.4230	1.0865	3.3858	2.2157	5.3466	3.8078	4.4342		4.3876	2.6875
H13	3.3668	4.6360	5.7717	6.0790	2.2036	3.3618	1.0875	2.2786	6.3058	6.9556	2.6875	4.3876		2.7126
H14	3.3668	4.6360	6.0790	5.7717	3.3618	2.2036	2.2786	1.0875	6.9556	6.3058	4.3876	2.6875	2.7126

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	152.652	C1	C2	C4	152.652
C1	C5	C7	107.633	C1	C5	H11	124.615
C1	C6	C8	107.633	C1	C6	H12	124.615
C2	C1	C5	126.662	C2	C1	C6	126.662
C2	C3	C4	62.652	C2	C3	H9	149.236
C2	C4	C3	62.652	C2	C4	H10	149.236
C3	C2	C4	54.697	C3	C4	H10	148.112
C4	C3	H9	148.112	C5	C1	C6	106.676
C5	C7	C8	109.029	C5	C7	H13	126.387
C6	C8	C7	109.029	C6	C8	H14	126.387
C7	C5	H11	127.752	C7	C8	H14	124.583
C8	C6	H12	127.752	C8	C7	H13	124.583

All results from a given calculation for C₈H₆ (Calicene)

using model chemistry: BLYP/3-21G

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	C	-0.207
2	C	0.075
3	C	-0.060
4	C	-0.060
5	C	-0.161
6	C	-0.161
7	C	-0.175
8	C	-0.175
9	H	0.190
10	H	0.190
11	H	0.133
12	H	0.133
13	H	0.140
14	H	0.140

<r²>	276.076
(<r²>)^1/2	16.616

All results from a given calculation for C8H6 (Calicene)

using model chemistry: BLYP/3-21G

States and conformations

All results from a given calculation for C₈H₆ (Calicene)