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

State	Conformation	minimum conformation	conformer description	state description
1	1	yes	CS	¹A^'
1	2	no	C1	¹A

	hartrees
Energy at 0K	-637.620485
Energy at 298.15K	-637.625415
HF Energy	-636.982210
Nuclear repulsion energy	156.785046

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3159	2996
2	A'	3120	2959
3	A'	1575	1494
4	A'	1543	1463
5	A'	1467	1392
6	A'	1327	1258
7	A'	1109	1052
8	A'	1092	1035
9	A'	805	763
10	A'	388	368
11	A'	246	233
12	A"	3229	3063
13	A"	3180	3016
14	A"	1332	1263
15	A"	1249	1184
16	A"	1103	1046
17	A"	810	768
18	A"	139	132

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.609	0.000
C2	0.990	-0.541	0.000
Cl3	-1.670	-0.036	0.000
F4	2.273	0.009	0.000
H5	0.129	1.223	0.888
H6	0.129	1.223	-0.888
H7	0.871	-1.160	0.891
H8	0.871	-1.160	-0.891

	C1	C2	Cl3	F4	H5	H6	H7	H8
C1		1.5174	1.7904	2.3508	1.0879	1.0879	2.1635	2.1635
C2	1.5174		2.7083	1.3953	2.1550	2.1550	1.0915	1.0915
Cl3	1.7904	2.7083		3.9436	2.3691	2.3691	2.9182	2.9182
F4	2.3508	1.3953	3.9436		2.6193	2.6193	2.0311	2.0311
H5	1.0879	2.1550	2.3691	2.6193		1.7763	2.4963	3.0654
H6	1.0879	2.1550	2.3691	2.6193	1.7763		3.0654	2.4963
H7	2.1635	1.0915	2.9182	2.0311	2.4963	3.0654		1.7818
H8	2.1635	1.0915	2.9182	2.0311	3.0654	2.4963	1.7818

All results from a given calculation for CH₂FCH₂Cl (Ethane, 1-chloro-2-fluoro-)

using model chemistry: CCSD(T)/6-31G**

States and conformations

Conformer 1 (CS)

Conformer 2 (C1)

	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

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	107.549	C1	C2	H7	110.996
C1	C2	H8	110.996	C2	C1	Cl3	109.646
C2	C1	H5	110.534	C2	C1	H6	110.534
Cl3	C1	H5	108.305	Cl3	C1	H6	108.305
F4	C2	H7	108.909	F4	C2	H8	108.909
H5	C1	H6	109.456	H7	C2	H8	109.419

	hartrees
Energy at 0K	-637.619627
Energy at 298.15K	-637.624667
HF Energy	-636.980984
Nuclear repulsion energy	161.131214

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A	3215	3049
2	A	3167	3004
3	A	3145	2983
4	A	3099	2939
5	A	1559	1478
6	A	1519	1441
7	A	1468	1393
8	A	1384	1313
9	A	1300	1233
10	A	1253	1188
11	A	1143	1084
12	A	1101	1044
13	A	1004	953
14	A	881	836
15	A	711	674
16	A	473	449
17	A	289	274
18	A	140	133

Atom	x (Å)	y (Å)	z (Å)
C1	-0.088	0.852	-0.295
C2	1.206	0.421	0.358
Cl3	-1.423	-0.285	0.066
F4	1.642	-0.775	-0.201
H5	-0.379	1.836	0.071
H6	0.033	0.888	-1.376
H7	1.969	1.185	0.180
H8	1.077	0.278	1.433

	C1	C2	Cl3	F4	H5	H6	H7	H8
C1		1.5124	1.7899	2.3770	1.0897	1.0884	2.1372	2.1612
C2	1.5124		2.7372	1.3901	2.1447	2.1448	1.0944	1.0916
Cl3	1.7899	2.7372		3.1149	2.3642	2.3609	3.6980	2.9039
F4	2.3770	1.3901	3.1149		3.3135	2.5951	2.0233	2.0242
H5	1.0897	2.1447	2.3642	3.3135		1.7786	2.4392	2.5302
H6	1.0884	2.1448	2.3609	2.5951	1.7786		2.5012	3.0576
H7	2.1372	1.0944	3.6980	2.0233	2.4392	2.5012		1.7850
H8	2.1612	1.0916	2.9039	2.0242	2.5302	3.0576	1.7850

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	109.889	C1	C2	H7	109.089
C1	C2	H8	111.158	C2	C1	Cl3	111.696
C2	C1	H5	109.953	C2	C1	H6	110.042
Cl3	C1	H5	107.887	Cl3	C1	H6	107.713
F4	C2	H7	108.465	F4	C2	H8	108.711
H5	C1	H6	109.482	H7	C2	H8	109.483

All results from a given calculation for CH2FCH2Cl (Ethane, 1-chloro-2-fluoro-)

using model chemistry: CCSD(T)/6-31G**

States and conformations

Conformer 1 (CS)

Conformer 2 (C1)

All results from a given calculation for CH₂FCH₂Cl (Ethane, 1-chloro-2-fluoro-)