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 H all up	¹A^'
1	2	yes	CS OH down	¹A^'
1	3	no	CS CH up	¹A^'

	hartrees
Energy at 0K	-169.445356
Energy at 298.15K	-169.449308
HF Energy	-168.915491
Nuclear repulsion energy	70.259305

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3860	3718
2	A'	3499	3370
3	A'	3060	2948
4	A'	1762	1697
5	A'	1427	1374
6	A'	1354	1304
7	A'	1207	1162
8	A'	1077	1037
9	A'	608	586
10	A"	1027	989
11	A"	828	798
12	A"	360	347

Atom	x (Å)	y (Å)
C1	0.000	0.379
O2	-1.013	-0.531
N3	1.209	-0.031
H4	-0.333	1.436
H5	-1.845	-0.040
H6	1.819	0.797

	C1	O2	N3	H4	H5	H6
C1		1.3620	1.2768	1.1089	1.8916	1.8666
O2	1.3620		2.2781	2.0819	0.9660	3.1283
N3	1.2768	2.2781		2.1290	3.0540	1.0280
H4	1.1089	2.0819	2.1290		2.1126	2.2456
H5	1.8916	0.9660	3.0540	2.1126		3.7582
H6	1.8666	3.1283	1.0280	2.2456	3.7582

All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCSD(T)=FULL/cc-pVDZ

States and conformations

Conformer 1 (CS H all up)

Conformer 2 (CS OH down)

Conformer 3 (CS CH up)

	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	O2	H5	107.469	C1	N3	H6	107.677
O2	C1	N3	119.348	O2	C1	H4	114.441
N3	C1	H4	126.210

	hartrees
Energy at 0K	-169.455167
Energy at 298.15K	-169.459315
HF Energy	-168.926186
Nuclear repulsion energy	70.618966

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3753	3615
2	A'	3507	3378
3	A'	3138	3023
4	A'	1740	1676
5	A'	1406	1354
6	A'	1391	1339
7	A'	1205	1160
8	A'	1084	1044
9	A'	578	557
10	A"	1039	1001
11	A"	832	801
12	A"	624	601

Atom	x (Å)	y (Å)
C1	0.000	0.421
O2	-1.122	-0.335
N3	1.167	-0.104
H4	-0.261	1.493
H5	-0.800	-1.254
H6	1.870	0.645

	C1	O2	N3	H4	H5	H6
C1		1.3531	1.2798	1.1036	1.8565	1.8832
O2	1.3531		2.3006	2.0211	0.9740	3.1483
N3	1.2798	2.3006		2.1429	2.2783	1.0274
H4	1.1036	2.0211	2.1429		2.8000	2.2936
H5	1.8565	0.9740	2.2783	2.8000		3.2763
H6	1.8832	3.1483	1.0274	2.2936	3.2763

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O2	H5	104.659	C1	N3	H6	108.931
O2	C1	N3	121.780	O2	C1	H4	110.298
N3	C1	H4	127.923

	hartrees
Energy at 0K	-169.450880
Energy at 298.15K	-169.454965
HF Energy	-168.920619
Nuclear repulsion energy	70.229633

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3781	3642
2	A'	3409	3284
3	A'	3199	3081
4	A'	1733	1669
5	A'	1409	1357
6	A'	1380	1329
7	A'	1151	1109
8	A'	1101	1060
9	A'	578	557
10	A"	1074	1034
11	A"	840	809
12	A"	519	500

Atom	x (Å)	y (Å)
C1	0.000	0.442
O2	-1.111	-0.349
N3	1.237	0.118
H4	-0.296	1.501
H5	-0.808	-1.272
H6	1.331	-0.913

	C1	O2	N3	H4	H5	H6
C1		1.3643	1.2793	1.0995	1.8952	1.8994
O2	1.3643		2.3943	2.0224	0.9714	2.5059
N3	1.2793	2.3943		2.0653	2.4724	1.0347
H4	1.0995	2.0224	2.0653		2.8203	2.9111
H5	1.8952	0.9714	2.4724	2.8203		2.1682
H6	1.8994	2.5059	1.0347	2.9111	2.1682

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O2	H5	107.271	C1	N3	H6	109.889
O2	C1	N3	129.810	O2	C1	H4	109.873
N3	C1	H4	120.317