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	-230.576589
Energy at 298.15K
HF Energy	-230.576589
Nuclear repulsion energy	207.747970

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A₁	3286	3165	4.38	220.81	0.02	0.04
2	A₁	3195	3078	14.61	110.98	0.18	0.31
3	A₁	1629	1569	0.27	23.38	0.06	0.12
4	A₁	1179	1136	7.99	19.04	0.22	0.36
5	A₁	1049	1011	4.91	12.55	0.75	0.86
6	A₁	951	916	7.92	11.52	0.26	0.41
7	A₁	857	826	0.40	7.16	0.75	0.86
8	A₁	834	803	88.54	6.93	0.10	0.19
9	A₁	397	382	4.99	12.40	0.64	0.78
10	A₂	3245	3126	0.00	131.35	0.75	0.86
11	A₂	1292	1245	0.00	1.96	0.75	0.86
12	A₂	1211	1166	0.00	14.17	0.75	0.86
13	A₂	974	938	0.00	0.04	0.75	0.86
14	A₂	936	902	0.00	0.10	0.75	0.86
15	A₂	817	787	0.00	5.27	0.75	0.86
16	A₂	356	343	0.00	3.34	0.75	0.86
17	B₁	3281	3161	28.26	48.06	0.75	0.86
18	B₁	1602	1543	5.11	2.52	0.75	0.86
19	B₁	1206	1162	0.00	3.78	0.75	0.86
20	B₁	1110	1069	0.51	0.35	0.75	0.86
21	B₁	992	956	1.61	8.63	0.75	0.86
22	B₁	751	724	66.59	3.15	0.75	0.86
23	B₂	3247	3128	12.77	35.28	0.75	0.86
24	B₂	3185	3069	6.69	108.86	0.75	0.86
25	B₂	1309	1261	37.30	0.01	0.75	0.86
26	B₂	1154	1111	13.76	0.74	0.75	0.86
27	B₂	994	958	5.47	0.83	0.75	0.86
28	B₂	973	937	1.75	0.05	0.75	0.86
29	B₂	847	816	11.42	2.52	0.75	0.86
30	B₂	499	481	5.90	7.17	0.75	0.86

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.802	0.556
C2	0.000	-0.802	0.556
H3	0.000	1.376	1.480
H4	0.000	-1.376	1.480
C5	-1.291	0.671	-0.278
C6	1.291	0.671	-0.278
C7	1.291	-0.671	-0.278
C8	-1.291	-0.671	-0.278
H9	-1.920	1.417	-0.741
H10	1.920	1.417	-0.741
H11	1.920	-1.417	-0.741
H12	-1.920	-1.417	-0.741

	C1	C2	H3	H4	C5	C6	C7	C8	H9	H10	H11	H12
C1		1.6037	1.0879	2.3661	1.5420	1.5420	2.1287	2.1287	2.3977	2.3977	3.2084	3.2084
C2	1.6037		2.3661	1.0879	2.1287	2.1287	1.5420	1.5420	3.2084	3.2084	2.3977	2.3977
H3	1.0879	2.3661		2.7529	2.2915	2.2915	2.9913	2.9913	2.9362	2.9362	4.0526	4.0526
H4	2.3661	1.0879	2.7529		2.9913	2.9913	2.2915	2.2915	4.0526	4.0526	2.9362	2.9362
C5	1.5420	2.1287	2.2915	2.9913		2.5815	2.9098	1.3428	1.0804	3.3291	3.8586	2.2300
C6	1.5420	2.1287	2.2915	2.9913	2.5815		1.3428	2.9098	3.3291	1.0804	2.2300	3.8586
C7	2.1287	1.5420	2.9913	2.2915	2.9098	1.3428		2.5815	3.8586	2.2300	1.0804	3.3291
C8	2.1287	1.5420	2.9913	2.2915	1.3428	2.9098	2.5815		2.2300	3.8586	3.3291	1.0804
H9	2.3977	3.2084	2.9362	4.0526	1.0804	3.3291	3.8586	2.2300		3.8410	4.7734	2.8341
H10	2.3977	3.2084	2.9362	4.0526	3.3291	1.0804	2.2300	3.8586	3.8410		2.8341	4.7734
H11	3.2084	2.3977	4.0526	2.9362	3.8586	2.2300	1.0804	3.3291	4.7734	2.8341		3.8410
H12	3.2084	2.3977	4.0526	2.9362	2.2300	3.8586	3.3291	1.0804	2.8341	4.7734	3.8410

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	121.883	C1	C2	H7	85.148
C1	C2	H8	85.148	C1	C5	H8	94.852
C1	C5	H9	131.404	C1	C6	H7	94.852
C1	C6	H10	131.404	C2	C1	C3	121.883
C2	C1	C5	85.148	C2	C1	C6	85.148
C2	H7	C6	94.852	C2	H7	H11	131.404
C2	H8	C5	94.852	C2	H8	H12	131.404
C3	C1	C5	120.243	C3	C1	C6	120.243
C4	C2	H7	120.243	C4	C2	H8	120.243
C5	C1	C6	113.661	C5	H8	H12	133.642
C6	H7	H11	133.642	H7	C6	H10	133.642
H8	C5	H9	133.642

All results from a given calculation for C₆H₆ (Dewar Benzene)

using model chemistry: HSEh1PBE/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	-0.344
2	C	-0.344
3	H	0.222
4	H	0.222
5	C	-0.141
6	C	-0.141
7	C	-0.141
8	C	-0.141
9	H	0.203
10	H	0.203
11	H	0.203
12	H	0.203

<r²>	118.823
(<r²>)^1/2	10.901

All results from a given calculation for C6H6 (Dewar Benzene)

using model chemistry: HSEh1PBE/3-21G

States and conformations

All results from a given calculation for C₆H₆ (Dewar Benzene)