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 NH up	¹A^'
1	2	no	CS NH down	¹A^'

	hartrees
Energy at 0K	-133.541156
Energy at 298.15K	-133.546647
HF Energy	-133.099666
Nuclear repulsion energy	70.761296

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3497	3323	1.71
2	A'	3199	3040	9.24
3	A'	3079	2926	14.52
4	A'	3066	2914	57.34
5	A'	1709	1624	37.93
6	A'	1515	1439	13.51
7	A'	1462	1389	24.74
8	A'	1423	1352	19.00
9	A'	1311	1246	33.28
10	A'	1090	1035	27.79
11	A'	949	902	5.26
12	A'	495	470	17.68
13	A"	3154	2997	14.44
14	A"	1516	1441	11.96
15	A"	1141	1084	6.27
16	A"	1105	1050	14.52
17	A"	696	661	62.90
18	A"	191	182	1.33

Atom	x (Å)	y (Å)	z (Å)
C1	-1.038	-0.630	0.000
C2	0.000	0.453	0.000
N3	1.246	0.177	0.000
H4	-0.548	-1.604	0.000
H5	-1.681	-0.544	0.881
H6	-1.681	-0.544	-0.881
H7	-0.391	1.482	0.000
H8	1.803	1.031	0.000

	C1	C2	N3	H4	H5	H6	H7	H8
C1		1.4996	2.4226	1.0902	1.0942	1.0942	2.2083	3.2903
C2	1.4996		1.2765	2.1283	2.1438	2.1438	1.1010	1.8931
N3	2.4226	1.2765		2.5285	3.1411	3.1411	2.0937	1.0190
H4	1.0902	2.1283	2.5285		1.7838	1.7838	3.0896	3.5312
H5	1.0942	2.1438	3.1411	1.7838		1.7624	2.5583	3.9233
H6	1.0942	2.1438	3.1411	1.7838	1.7624		2.5583	3.9233
H7	2.2083	1.1010	2.0937	3.0896	2.5583	2.5583		2.2396
H8	3.2903	1.8931	1.0190	3.5312	3.9233	3.9233	2.2396

All results from a given calculation for CH₃CHNH (ethanimine)

using model chemistry: MP2/6-311G*

States and conformations

Conformer 1 (CS NH up)

Conformer 2 (CS NH down)

	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	N3	121.336	C1	C2	H7	115.389
C2	C1	H4	109.524	C2	C1	H5	110.510
C2	C1	H6	110.510	C2	N3	H8	110.618
N3	C2	H7	123.275	H4	C1	H5	109.491
H4	C1	H6	109.491	H5	C1	H6	107.280

	hartrees
Energy at 0K	-133.539247
Energy at 298.15K	-133.544676
HF Energy	-133.098051
Nuclear repulsion energy	70.636612

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3455	3283	6.53
2	A'	3174	3016	26.29
3	A'	3135	2980	24.69
4	A'	3071	2919	8.49
5	A'	1700	1615	37.94
6	A'	1520	1444	29.34
7	A'	1455	1383	23.43
8	A'	1432	1361	9.14
9	A'	1309	1244	56.04
10	A'	1088	1034	21.67
11	A'	927	881	2.93
12	A'	496	471	8.47
13	A"	3156	2999	10.66
14	A"	1511	1436	12.36
15	A"	1168	1110	52.83
16	A"	1093	1039	9.56
17	A"	685	651	8.50
18	A"	157	149	0.67

Atom	x (Å)	y (Å)	z (Å)
C1	-1.028	-0.617	0.000
C2	0.000	0.482	0.000
N3	1.275	0.371	0.000
H4	-0.555	-1.602	0.000
H5	-1.673	-0.536	0.880
H6	-1.673	-0.536	-0.880
H7	-0.392	1.504	0.000
H8	1.532	-0.620	0.000

	C1	C2	N3	H4	H5	H6	H7	H8
C1		1.5049	2.5063	1.0929	1.0941	1.0941	2.2144	2.5602
C2	1.5049		1.2802	2.1573	2.1468	2.1468	1.0942	1.8876
N3	2.5063	1.2802		2.6918	3.2075	3.2075	2.0155	1.0238
H4	1.0929	2.1573	2.6918		1.7779	1.7779	3.1107	2.3071
H5	1.0941	2.1468	3.2075	1.7779		1.7605	2.5645	3.3247
H6	1.0941	2.1468	3.2075	1.7779	1.7605		2.5645	3.3247
H7	2.2144	1.0942	2.0155	3.1107	2.5645	2.5645		2.8658
H8	2.5602	1.8876	1.0238	2.3071	3.3247	3.3247	2.8658

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	N3	128.098	C1	C2	H7	115.952
C2	C1	H4	111.294	C2	C1	H5	110.382
C2	C1	H6	110.382	C2	N3	H8	109.517
N3	C2	H7	115.950	H4	C1	H5	108.769
H4	C1	H6	108.769	H5	C1	H6	107.129

All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: MP2/6-311G*

States and conformations

Conformer 1 (CS NH up)

Conformer 2 (CS NH down)

All results from a given calculation for CH₃CHNH (ethanimine)