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	-1150.929859
Energy at 298.15K	-1150.934061
HF Energy	-1150.579657
Nuclear repulsion energy	450.343054

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3253	3115	0.70
2	A₁	3246	3109	1.69
3	A₁	3217	3081	4.45
4	A₁	1629	1560	24.38
5	A₁	1443	1382	14.19
6	A₁	1145	1097	21.86
7	A₁	1098	1051	12.97
8	A₁	1010	967	3.99
9	A₁	674	645	1.75
10	A₁	402	385	3.19
11	A₁	197	188	0.41
12	A₂	907	869	0.00
13	A₂	542	519	0.00
14	A₂	204	196	0.00
15	B₁	981	939	0.02
16	B₁	883	846	9.38
17	B₁	787	753	37.79
18	B₁	674	645	9.46
19	B₁	443	424	3.49
20	B₁	168	161	0.05
21	B₂	3242	3104	0.52
22	B₂	1632	1563	70.43
23	B₂	1493	1430	69.75
24	B₂	1372	1314	0.00
25	B₂	1285	1230	4.46
26	B₂	1180	1130	0.26
27	B₂	1101	1055	19.90
28	B₂	794	761	79.57
29	B₂	432	414	4.08
30	B₂	368	352	0.27

Atom	y (Å)	z (Å)
C1	0.000	2.084
C2	1.218	1.395
C3	-1.218	1.395
C4	1.201	-0.003
C5	-1.201	-0.003
C6	0.000	-0.720
Cl7	2.714	-0.886
Cl8	-2.714	-0.886
H9	0.000	3.175
H10	2.168	1.929
H11	-2.168	1.929
H12	0.000	-1.809

	C1	C2	C3	C4	C5	C6	Cl7	Cl8	H9	H10	H11	H12
C1		1.3991	1.3991	2.4078	2.4078	2.8041	4.0226	4.0226	1.0916	2.1730	2.1730	3.8929
C2	1.3991		2.4356	1.3985	2.7935	2.4409	2.7275	4.5451	2.1570	1.0897	3.4272	3.4278
C3	1.3991	2.4356		2.7935	1.3985	2.4409	4.5451	2.7275	2.1570	3.4272	1.0897	3.4278
C4	2.4078	1.3985	2.7935		2.4011	1.3984	1.7515	4.0124	3.3979	2.1610	3.8832	2.1685
C5	2.4078	2.7935	1.3985	2.4011		1.3984	4.0124	1.7515	3.3979	3.8832	2.1610	2.1685
C6	2.8041	2.4409	2.4409	1.3984	1.3984		2.7186	2.7186	3.8957	3.4232	3.4232	1.0888
Cl7	4.0226	2.7275	4.5451	1.7515	4.0124	2.7186		5.4272	4.8842	2.8674	5.6347	2.8664
Cl8	4.0226	4.5451	2.7275	4.0124	1.7515	2.7186	5.4272		4.8842	5.6347	2.8674	2.8664
H9	1.0916	2.1570	2.1570	3.3979	3.3979	3.8957	4.8842	4.8842		2.5002	2.5002	4.9845
H10	2.1730	1.0897	3.4272	2.1610	3.8832	3.4232	2.8674	5.6347	2.5002		4.3351	4.3213
H11	2.1730	3.4272	1.0897	3.8832	2.1610	3.4232	5.6347	2.8674	2.5002	4.3351		4.3213
H12	3.8929	3.4278	3.4278	2.1685	2.1685	1.0888	2.8664	2.8664	4.9845	4.3213	4.3213

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	118.786	C1	C2	H10	121.152
C1	C3	C5	118.786	C1	C3	H11	121.152
C2	C1	C3	121.017	C2	C1	H9	119.492
C2	C4	C6	121.552	C2	C4	Cl7	119.544
C3	C1	H9	119.492	C3	C5	C6	121.552
C3	C5	Cl8	119.544	C4	C2	H10	120.062
C4	C6	C5	118.307	C4	C6	H12	120.847
C5	C3	H11	120.062	C5	C6	H12	120.847
C6	C4	Cl7	118.904	C6	C5	Cl8	118.904

All results from a given calculation for C₆H₄Cl₂ (1,3-dichlorobenzene)

using model chemistry: B2PLYP/cc-pVDZ

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	0.022
2	C	0.098
3	C	0.098
4	C	-0.153
5	C	-0.153
6	C	0.195
7	Cl	-0.068
8	Cl	-0.068
9	H	0.010
10	H	0.004
11	H	0.004
12	H	0.011

<r²>	431.952
(<r²>)^1/2	20.783

All results from a given calculation for C6H4Cl2 (1,3-dichlorobenzene)

using model chemistry: B2PLYP/cc-pVDZ

States and conformations

All results from a given calculation for C₆H₄Cl₂ (1,3-dichlorobenzene)