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	no	CS NH up	¹A^'
1	2	yes	CS NH down	¹A^'

	hartrees
Energy at 0K	-131.590028
Energy at 298.15K	-131.595334
HF Energy	-131.405940
Nuclear repulsion energy	68.881987

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3564	3108	1.06
2	A'	3552	3097	23.72
3	A'	3410	2973	5.31
4	A'	3369	2938	0.51
5	A'	1745	1521	10.27
6	A'	1706	1488	4.74
7	A'	1598	1393	1.40
8	A'	1480	1290	11.45
9	A'	1393	1215	15.80
10	A'	1149	1002	12.05
11	A'	1014	884	2.83
12	A'	475	414	9.84
13	A"	3538	3085	1.00
14	A"	1713	1494	3.15
15	A"	1194	1041	1.64
16	A"	1163	1014	4.53
17	A"	690	602	34.07
18	A"	175	153	2.08

Atom	x (Å)	y (Å)	z (Å)
C1	-1.071	-0.633	0.000
C2	0.000	0.475	0.000
N3	1.288	0.151	0.000
H4	-0.588	-1.624	0.000
H5	-1.716	-0.547	0.893
H6	-1.716	-0.547	-0.893
H7	-0.383	1.519	0.000
H8	1.812	1.090	0.000

	C1	C2	N3	H4	H5	H6	H7	H8
C1		1.5417	2.4866	1.1026	1.1048	1.1048	2.2593	3.3592
C2	1.5417		1.3287	2.1807	2.1878	2.1878	1.1111	1.9136
N3	2.4866	1.3287		2.5833	3.2109	3.2109	2.1594	1.0756
H4	1.1026	2.1807	2.5833		1.7973	1.7973	3.1497	3.6238
H5	1.1048	2.1878	3.2109	1.7973		1.7862	2.6155	3.9905
H6	1.1048	2.1878	3.2109	1.7973	1.7862		2.6155	3.9905
H7	2.2593	1.1111	2.1594	3.1497	2.6155	2.6155		2.2360
H8	3.3592	1.9136	1.0756	3.6238	3.9905	3.9905	2.2360

All results from a given calculation for CH₃CHNH (ethanimine)

using model chemistry: MP2/STO-3G

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	119.880	C1	C2	H7	115.840
C2	C1	H4	110.001	C2	C1	H5	110.433
C2	C1	H6	110.433	C2	N3	H8	104.992
N3	C2	H7	124.280	H4	C1	H5	109.022
H4	C1	H6	109.022	H5	C1	H6	107.881

	hartrees
Energy at 0K	-131.591140
Energy at 298.15K	-131.596427
HF Energy	-131.406381
Nuclear repulsion energy	68.826368

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3547	3092	0.84
2	A'	3536	3083	25.02
3	A'	3467	3023	5.18
4	A'	3362	2932	0.65
5	A'	1732	1510	0.60
6	A'	1688	1472	10.18
7	A'	1602	1397	1.48
8	A'	1550	1352	22.79
9	A'	1371	1195	7.11
10	A'	1168	1018	15.95
11	A'	993	866	0.95
12	A'	489	426	6.39
13	A"	3539	3086	0.52
14	A"	1712	1493	2.01
15	A"	1229	1072	23.20
16	A"	1168	1019	1.99
17	A"	678	591	7.35
18	A"	156	136	0.39

Atom	x (Å)	y (Å)	z (Å)
C1	-1.061	-0.624	0.000
C2	0.000	0.500	0.000
N3	1.322	0.372	0.000
H4	-0.577	-1.616	0.000
H5	-1.706	-0.544	0.893
H6	-1.706	-0.544	-0.893
H7	-0.395	1.535	0.000
H8	1.498	-0.690	0.000

	C1	C2	N3	H4	H5	H6	H7	H8
C1		1.5453	2.5826	1.1043	1.1048	1.1048	2.2593	2.5600
C2	1.5453		1.3280	2.1933	2.1908	2.1908	1.1079	1.9133
N3	2.5826	1.3280		2.7495	3.2876	3.2876	2.0733	1.0770
H4	1.1043	2.1933	2.7495		1.7950	1.7950	3.1566	2.2724
H5	1.1048	2.1908	3.2876	1.7950		1.7863	2.6158	3.3298
H6	1.1048	2.1908	3.2876	1.7950	1.7863		2.6158	3.3298
H7	2.2593	1.1079	2.0733	3.1566	2.6158	2.6158		2.9214
H8	2.5600	1.9133	1.0770	2.2724	3.3298	3.3298	2.9214

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	N3	127.849	C1	C2	H7	115.772
C2	C1	H4	110.643	C2	C1	H5	110.419
C2	C1	H6	110.419	C2	N3	H8	104.932
N3	C2	H7	116.379	H4	C1	H5	108.696
H4	C1	H6	108.696	H5	C1	H6	107.893

All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: MP2/STO-3G

States and conformations

Conformer 1 (CS NH up)

Conformer 2 (CS NH down)

All results from a given calculation for CH₃CHNH (ethanimine)