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	-1151.446043
Energy at 298.15K	-1151.450202
HF Energy	-1151.446043
Nuclear repulsion energy	447.326706

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3229	3103	0.00
2	A_g	1633	1569	0.00
3	A_g	1202	1154	0.00
4	A_g	1110	1066	0.00
5	A_g	756	726	0.00
6	A_g	329	316	0.00
7	A_u	964	927	0.00
8	A_u	422	405	0.00
9	B_1g	828	796	0.00
10	B_1u	3215	3089	1.63
11	B_1u	1517	1458	101.70
12	B_1u	1107	1063	101.85
13	B_1u	1024	983	65.00
14	B_1u	543	522	38.71
15	B_2g	956	918	0.00
16	B_2g	698	671	0.00
17	B_2g	297	286	0.00
18	B_2u	3228	3101	2.30
19	B_2u	1432	1376	5.23
20	B_2u	1328	1276	0.09
21	B_2u	1130	1086	4.58
22	B_2u	221	213	1.18
23	B_3g	3216	3090	0.00
24	B_3g	1626	1563	0.00
25	B_3g	1319	1268	0.00
26	B_3g	640	615	0.00
27	B_3g	357	343	0.00
28	B_3u	831	798	48.81
29	B_3u	495	476	12.20
30	B_3u	103	99	0.78

Atom	y (Å)	z (Å)
C1	0.000	1.383
C2	0.000	-1.383
C3	1.214	0.697
C4	-1.214	0.697
C5	-1.214	-0.697
C6	1.214	-0.697
Cl7	0.000	3.140
Cl8	0.000	-3.140
H9	2.149	1.245
H10	-2.149	1.245
H11	-2.149	-1.245
H12	2.149	-1.245

	C1	C2	C3	C4	C5	C6	Cl7	Cl8	H9	H10	H11	H12
C1		2.7663	1.3943	1.3943	2.4086	2.4086	1.7567	4.5230	2.1538	2.1538	3.3952	3.3952
C2	2.7663		2.4086	2.4086	1.3943	1.3943	4.5230	1.7567	3.3952	3.3952	2.1538	2.1538
C3	1.3943	2.4086		2.4277	2.7997	1.3945	2.7276	4.0245	1.0841	3.4076	3.8838	2.1558
C4	1.3943	2.4086	2.4277		1.3945	2.7997	2.7276	4.0245	3.4076	1.0841	2.1558	3.8838
C5	2.4086	1.3943	2.7997	1.3945		2.4277	4.0245	2.7276	3.8838	2.1558	1.0841	3.4076
C6	2.4086	1.3943	1.3945	2.7997	2.4277		4.0245	2.7276	2.1558	3.8838	3.4076	1.0841
Cl7	1.7567	4.5230	2.7276	2.7276	4.0245	4.0245		6.2798	2.8654	2.8654	4.8834	4.8834
Cl8	4.5230	1.7567	4.0245	4.0245	2.7276	2.7276	6.2798		4.8834	4.8834	2.8654	2.8654
H9	2.1538	3.3952	1.0841	3.4076	3.8838	2.1558	2.8654	4.8834		4.2988	4.9679	2.4900
H10	2.1538	3.3952	3.4076	1.0841	2.1558	3.8838	2.8654	4.8834	4.2988		2.4900	4.9679
H11	3.3952	2.1538	3.8838	2.1558	1.0841	3.4076	4.8834	2.8654	4.9679	2.4900		4.2988
H12	3.3952	2.1538	2.1558	3.8838	3.4076	1.0841	4.8834	2.8654	2.4900	4.9679	4.2988

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C6	119.470	C1	C3	H9	120.180
C1	C4	C5	119.470	C1	C4	H10	120.180
C2	C5	C4	119.470	C2	C5	H11	120.180
C2	C6	C3	119.470	C2	C6	H12	120.180
C3	C1	C4	121.061	C3	C1	Cl7	119.470
C3	C6	H12	120.350	C4	C1	Cl7	119.470
C4	C5	H11	120.350	C5	C2	C6	121.061
C5	C2	Cl8	119.470	C5	C4	H10	120.350
C6	C2	Cl8	119.470	C6	C3	H9	120.350

All results from a given calculation for C₆H₄Cl₂ (1,4-dichlorobenzene)

using model chemistry: B3LYP/6-31G**

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	-0.094
2	C	-0.094
3	C	-0.066
4	C	-0.066
5	C	-0.066
6	C	-0.066
7	Cl	-0.013
8	Cl	-0.013
9	H	0.120
10	H	0.120
11	H	0.120
12	H	0.120

<r²>	467.268
(<r²>)^1/2	21.616

All results from a given calculation for C6H4Cl2 (1,4-dichlorobenzene)

using model chemistry: B3LYP/6-31G**

States and conformations

All results from a given calculation for C₆H₄Cl₂ (1,4-dichlorobenzene)