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	-430.105651
Energy at 298.15K
HF Energy	-428.558005
Nuclear repulsion energy	343.129096

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A_g	3274	3108	0.00	267.25	0.17	0.28
2	A_g	1678	1593	0.00	5.22	0.61	0.76
3	A_g	1307	1241	0.00	20.82	0.11	0.20
4	A_g	1173	1113	0.00	6.70	0.64	0.78
5	A_g	876	832	0.00	33.27	0.08	0.14
6	A_g	456	433	0.00	4.60	0.43	0.60
7	A_u	979	929	0.00	0.00	0.00	0.00
8	A_u	442	420	0.00	0.00	0.00	0.00
9	B_1g	831	789	0.00	0.15	0.75	0.86
10	B_1u	3252	3088	2.18	0.00	0.31	0.47
11	B_1u	1562	1483	261.69	0.00	0.26	0.00
12	B_1u	1253	1190	158.52	0.00	0.40	0.00
13	B_1u	1038	985	1.42	0.00	0.00	0.00
14	B_1u	763	724	54.09	0.00	0.00	0.00
15	B_2g	957	909	0.00	0.29	0.75	0.86
16	B_2g	722	685	0.00	0.57	0.75	0.86
17	B_2g	389	369	0.00	3.31	0.75	0.86
18	B_2u	3273	3107	0.08	0.00	0.40	0.57
19	B_2u	1488	1412	0.97	0.00	0.51	0.68
20	B_2u	1440	1367	0.02	0.00	0.51	0.68
21	B_2u	1116	1060	12.89	0.00	0.50	0.67
22	B_2u	351	333	4.04	0.00	0.00	0.00
23	B_3g	3256	3091	0.00	109.30	0.75	0.86
24	B_3g	1671	1586	0.00	5.71	0.75	0.86
25	B_3g	1299	1233	0.00	1.75	0.75	0.86
26	B_3g	646	613	0.00	6.52	0.75	0.86
27	B_3g	445	422	0.00	0.04	0.75	0.86
28	B_3u	875	831	80.11	0.00	0.00	0.00
29	B_3u	528	502	17.31	0.00	0.00	0.00
30	B_3u	163	155	1.51	0.00	0.00	0.00

Atom	y (Å)	z (Å)
C1	0.000	1.362
C2	0.000	-1.362
C3	1.208	0.693
C4	-1.208	0.693
C5	-1.208	-0.693
C6	1.208	-0.693
F7	0.000	2.704
F8	0.000	-2.704
H9	2.125	1.253
H10	-2.125	1.253
H11	-2.125	-1.253
H12	2.125	-1.253

	C1	C2	C3	C4	C5	C6	F7	F8	H9	H10	H11	H12
C1		2.7245	1.3805	1.3805	2.3840	2.3840	1.3419	4.0664	2.1278	2.1278	3.3696	3.3696
C2	2.7245		2.3840	2.3840	1.3805	1.3805	4.0664	1.3419	3.3696	3.3696	2.1278	2.1278
C3	1.3805	2.3840		2.4152	2.7849	1.3866	2.3456	3.6057	1.0746	3.3793	3.8592	2.1515
C4	1.3805	2.3840	2.4152		1.3866	2.7849	2.3456	3.6057	3.3793	1.0746	2.1515	3.8592
C5	2.3840	1.3805	2.7849	1.3866		2.4152	3.6057	2.3456	3.8592	2.1515	1.0746	3.3793
C6	2.3840	1.3805	1.3866	2.7849	2.4152		3.6057	2.3456	2.1515	3.8592	3.3793	1.0746
F7	1.3419	4.0664	2.3456	2.3456	3.6057	3.6057		5.4083	2.5733	2.5733	4.4915	4.4915
F8	4.0664	1.3419	3.6057	3.6057	2.3456	2.3456	5.4083		4.4915	4.4915	2.5733	2.5733
H9	2.1278	3.3696	1.0746	3.3793	3.8592	2.1515	2.5733	4.4915		4.2500	4.9337	2.5058
H10	2.1278	3.3696	3.3793	1.0746	2.1515	3.8592	2.5733	4.4915	4.2500		2.5058	4.9337
H11	3.3696	2.1278	3.8592	2.1515	1.0746	3.3793	4.4915	2.5733	4.9337	2.5058		4.2500
H12	3.3696	2.1278	2.1515	3.8592	3.3793	1.0746	4.4915	2.5733	2.5058	4.9337	4.2500

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C3	C6	118.985	C1	C3	H9	119.632
C1	C4	C5	118.985	C1	C4	H10	119.632
C2	C5	C4	118.985	C2	C5	H11	119.632
C2	C6	C3	118.985	C2	C6	H12	119.632
C3	C1	C4	122.031	C3	C1	F7	118.985
C3	C6	H12	121.383	C4	C1	F7	118.985
C4	C5	H11	121.383	C5	C2	C6	122.031
C5	C2	F8	118.985	C5	C4	H10	121.383
C6	C2	F8	118.985	C6	C3	H9	121.383

All results from a given calculation for C₆H₄F₂ (1,4-difluorobenzene)

using model chemistry: MP2=FULL/cc-pVTZ

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

All results from a given calculation for C6H4F2 (1,4-difluorobenzene)

using model chemistry: MP2=FULL/cc-pVTZ

States and conformations

All results from a given calculation for C₆H₄F₂ (1,4-difluorobenzene)