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

	hartrees
Energy at 0K	-501.511732
Energy at 298.15K	-501.519371
HF Energy	-500.559202
Nuclear repulsion energy	440.726492

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁'	3575	3465	0.00
2	A₁'	1788	1733	0.00
3	A₁'	991	961	0.00
4	A₁'	648	628	0.00
5	A₂'	1439	1395	0.00
6	A₂'	1181	1144	0.00
7	A₂'	630	610	0.00
8	A₂"	845	819	458.52
9	A₂"	703	682	178.16
10	A₂"	163	158	1.83
11	E'	3572	3462	118.49
11	E'	3572	3462	118.49
12	E'	1781	1726	695.13
12	E'	1781	1726	695.13
13	E'	1436	1392	0.01
13	E'	1436	1392	0.01
14	E'	1403	1360	415.33
14	E'	1403	1360	415.34
15	E'	1014	983	14.93
15	E'	1014	983	14.93
16	E'	513	497	25.10
16	E'	513	497	25.10
17	E'	389	377	24.07
17	E'	389	377	24.08
18	E"	780	756	0.00
18	E"	780	756	0.00
19	E"	672	652	0.00
19	E"	672	652	0.00
20	E"	159	154	0.00
20	E"	159	154	0.00

Atom	x (Å)	y (Å)
C1	1.259	0.727
C2	-1.259	0.727
C3	0.000	-1.454
N4	0.000	1.350
N5	-1.169	-0.675
N6	1.169	-0.675
O7	2.329	1.344
O8	-2.329	1.344
O9	0.000	-2.689
H10	0.000	2.367
H11	-2.050	-1.183
H12	2.050	-1.183

	C1	C2	C3	N4	N5	N6	O7	O8	O9	H10	H11	H12
C1		2.5178	2.5178	1.4049	2.8040	1.4049	1.2353	3.6404	3.6404	2.0675	3.8205	2.0675
C2	2.5178		2.5178	1.4049	1.4049	2.8040	3.6404	1.2353	3.6404	2.0675	2.0675	3.8205
C3	2.5178	2.5178		2.8040	1.4049	1.4049	3.6404	3.6404	1.2353	3.8205	2.0675	2.0675
N4	1.4049	1.4049	2.8040		2.3390	2.3390	2.3287	2.3287	4.0394	1.0165	3.2591	3.2591
N5	2.8040	1.4049	1.4049	2.3390		2.3390	4.0394	2.3287	2.3287	3.2591	1.0165	3.2591
N6	1.4049	2.8040	1.4049	2.3390	2.3390		2.3287	4.0394	2.3287	3.2591	3.2591	1.0165
O7	1.2353	3.6404	3.6404	2.3287	4.0394	2.3287		4.6575	4.6575	2.5433	5.0559	2.5433
O8	3.6404	1.2353	3.6404	2.3287	2.3287	4.0394	4.6575		4.6575	2.5433	2.5433	5.0559
O9	3.6404	3.6404	1.2353	4.0394	2.3287	2.3287	4.6575	4.6575		5.0559	2.5433	2.5433
H10	2.0675	2.0675	3.8205	1.0165	3.2591	3.2591	2.5433	2.5433	5.0559		4.0995	4.0995
H11	3.8205	2.0675	2.0675	3.2591	1.0165	3.2591	5.0559	2.5433	2.5433	4.0995		4.0995
H12	2.0675	3.8205	2.0675	3.2591	3.2591	1.0165	2.5433	5.0559	2.5433	4.0995	4.0995

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	N4	C2	127.299	C1	N4	H10	116.351
C1	N6	C3	127.299	C1	N6	H12	116.351
C2	N4	H10	116.351	C2	N5	C3	127.299
C2	N5	H11	116.351	C3	N5	H11	116.351
C3	N6	H12	116.351	N4	C1	N6	112.701
N4	C1	O7	123.649	N4	C2	N5	112.701
N4	C2	O8	123.649	N5	C2	O8	123.649
N5	C3	N6	112.701	N5	C3	O9	123.649
N6	C1	O7	123.649	N6	C3	O9	123.649

All results from a given calculation for C₃H₃N₃O₃ (cyanuric acid)

using model chemistry: QCISD/3-21G

States and conformations

	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

All results from a given calculation for C3H3N3O3 (cyanuric acid)

using model chemistry: QCISD/3-21G

States and conformations

All results from a given calculation for C₃H₃N₃O₃ (cyanuric acid)