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	C1	¹A
1	2	no	C1	¹A

	hartrees
Energy at 0K	-1071.869740
Energy at 298.15K	-1071.863267
HF Energy	-1070.701387
Nuclear repulsion energy	264.792831

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3388	3192	1.49
2	A'	3238	3051	38.11
3	A'	2046	1927	216.41
4	A'	1538	1449	9.26
5	A'	1360	1281	14.73
6	A'	1168	1100	25.31
7	A'	862	813	36.98
8	A'	474	447	6.66
9	A'	359	338	30.93
10	A'	280	264	2.27
11	A"	1388	1308	40.51
12	A"	1141	1075	17.76
13	A"	821	774	135.48
14	A"	308	290	2.87
15	A"	85	80	12.48

Atom	x (Å)	y (Å)	z (Å)
C1	0.382	-0.024	0.000
C2	-0.172	1.391	0.000
H3	1.470	0.004	0.000
Cl4	-0.172	-0.841	1.469
Cl5	-0.172	-0.841	-1.469
O6	0.552	2.368	0.000
H7	-1.276	1.450	0.000

	C1	C2	H3	Cl4	Cl5	O6	H7
C1		1.5198	1.0885	1.7701	1.7701	2.3985	2.2183
C2	1.5198		2.1499	2.6726	2.6726	1.2164	1.1049
H3	1.0885	2.1499		2.3599	2.3599	2.5368	3.1034
Cl4	1.7701	2.6726	2.3599		2.9383	3.6036	2.9374
Cl5	1.7701	2.6726	2.3599	2.9383		3.6036	2.9374
O6	2.3985	1.2164	2.5368	3.6036	3.6036		2.0451
H7	2.2183	1.1049	3.1034	2.9374	2.9374	2.0451

All results from a given calculation for CHCl₂CHO (dichloroacetaldehyde)

using model chemistry: G2

States and conformations

Conformer 1 (C1)

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	O6	121.619	C1	C2	H7	115.038
C2	C1	H3	110.086	C2	C1	Cl4	109.039
C2	C1	Cl5	109.039	H3	C1	Cl4	108.524
H3	C1	Cl5	108.524	Cl4	C1	Cl5	111.619
O6	C2	H7	123.342

	hartrees
Energy at 0K	-1071.866746
Energy at 298.15K	-1071.860315
HF Energy	-1070.698677
Nuclear repulsion energy	267.364160

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	3329	3136	5.88	77.83	0.27	0.43
2	A	3219	3033	45.77	109.94	0.33	0.49
3	A	2056	1937	183.73	15.67	0.48	0.65
4	A	1537	1448	25.29	3.41	0.62	0.76
5	A	1423	1341	9.88	4.53	0.75	0.85
6	A	1374	1294	24.19	9.95	0.73	0.84
7	A	1151	1084	8.88	3.41	0.52	0.68
8	A	1038	978	11.03	7.51	0.63	0.77
9	A	909	856	97.13	12.30	0.73	0.85
10	A	704	663	50.50	13.20	0.13	0.23
11	A	661	623	34.52	7.70	0.44	0.61
12	A	381	359	0.98	3.73	0.25	0.40
13	A	301	283	4.25	4.56	0.65	0.79
14	A	241	227	3.92	1.29	0.72	0.83
15	A	87	82	16.16	2.10	0.74	0.85

Atom	x (Å)	y (Å)	z (Å)
C1	0.107	-0.029	0.513
C2	-0.725	-1.268	0.180
H3	0.226	0.043	1.596
Cl4	1.733	-0.278	-0.166
Cl5	-0.650	1.446	-0.057
O6	-1.838	-1.238	-0.301
H7	-0.211	-2.212	0.439

	C1	C2	H3	Cl4	Cl5	O6	H7
C1		1.5290	1.0923	1.7789	1.7535	2.4305	2.2073
C2	1.5290		2.1514	2.6719	2.7258	1.2136	1.1054
H3	1.0923	2.1514		2.3404	2.3384	3.0825	2.5724
Cl4	1.7789	2.6719	2.3404		2.9432	3.7001	2.8078
Cl5	1.7535	2.7258	2.3384	2.9432		2.9450	3.7179
O6	2.4305	1.2136	3.0825	3.7001	2.9450		2.0364
H7	2.2073	1.1054	2.5724	2.8078	3.7179	2.0364

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O6	124.353	C1	C2	H7	112.890
C2	C1	H3	108.896	C2	C1	Cl4	108.247
C2	C1	Cl5	112.846	H3	C1	Cl4	106.410
H3	C1	Cl5	107.839	Cl4	C1	Cl5	112.360
O6	C2	H7	122.743

All results from a given calculation for CHCl2CHO (dichloroacetaldehyde)

using model chemistry: G2

States and conformations

Conformer 1 (C1)

Conformer 2 (C1)

All results from a given calculation for CHCl₂CHO (dichloroacetaldehyde)