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	-319.079241
Energy at 298.15K	-319.088461
HF Energy	-318.100410
Counterpoise corrected energy
CP Energy at 298.15K
Counterpoise optimized geometry corrected energy
CP opt. Energy at 298.15K
Nuclear repulsion energy	227.635583

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3748	3562	82.79
2	A	3745	3559	76.76
3	A	3582	3404	4.90
4	A	3502	3328	476.04
5	A	3365	3198	505.42
6	A	3110	2955	76.90
7	A	3020	2869	169.62
8	A	1822	1731	481.99
9	A	1784	1695	122.30
10	A	1716	1631	9.01
11	A	1697	1613	16.09
12	A	1459	1386	29.00
13	A	1445	1373	10.31
14	A	1400	1331	28.47
15	A	1366	1298	101.73
16	A	1187	1128	67.30
17	A	1145	1088	16.88
18	A	1121	1066	0.31
19	A	1069	1016	9.61
20	A	1058	1006	2.11
21	A	847	805	85.00
22	A	812	771	25.14
23	A	761	723	208.65
24	A	637	605	9.81
25	A	587	558	6.70
26	A	453	431	92.44
27	A	421	400	174.42
28	A	216	205	59.05
29	A	172	163	4.36
30	A	161	153	6.07
31	A	144	137	5.51
32	A	93	88	97.18
33	A	49	47	1.79

Atom	x (Å)	y (Å)	z (Å)
H1	0.570	1.222	0.034
N2	1.582	1.098	0.040
N3	-1.478	1.188	-0.021
C4	2.121	-0.136	-0.010
O5	1.499	-1.190	-0.063
C6	-2.127	0.076	-0.032
N7	-1.535	-1.136	0.110
H8	-0.525	-1.203	0.061
H9	2.176	1.908	0.085
H10	3.228	-0.128	0.000
H11	-2.114	1.973	-0.097
H12	-3.219	0.017	-0.120
H13	-2.062	-1.961	-0.110

	H1	N2	N3	C4	O5	C6	N7	H8	H9	H10	H11	H12	H13
H1		1.0201	2.0487	2.0626	2.5867	2.9309	3.1623	2.6613	1.7466	2.9814	2.7903	3.9793	4.1330
N2	1.0201		3.0621	1.3482	2.2918	3.8481	3.8364	3.1206	1.0043	2.0524	3.8012	4.9246	4.7609
N3	2.0487	3.0621		3.8349	3.8106	1.2882	2.3292	2.5761	3.7251	4.8862	1.0130	2.1013	3.2042
C4	2.0626	1.3482	3.8349		1.2239	4.2530	3.7922	2.8535	2.0469	1.1069	4.7323	5.3435	4.5650
O5	2.5867	2.2918	3.8106	1.2239		3.8406	3.0399	2.0279	3.1734	2.0294	4.8022	4.8707	3.6447
C6	2.9309	3.8481	1.2882	4.2530	3.8406		1.3562	2.0521	4.6775	5.3584	1.8982	1.0977	2.0389
N7	3.1623	3.8364	2.3292	3.7922	3.0399	1.3562		1.0139	4.7995	4.8697	3.1694	2.0540	1.0030
H8	2.6613	3.1206	2.5761	2.8535	2.0279	2.0521	1.0139		4.1194	3.9040	3.5553	2.9635	1.7228
H9	1.7466	1.0043	3.7251	2.0469	3.1734	4.6775	4.7995	4.1194		2.2927	4.2945	5.7203	5.7413
H10	2.9814	2.0524	4.8862	1.1069	2.0294	5.3584	4.8697	3.9040	2.2927		5.7411	6.4497	5.5998
H11	2.7903	3.8012	1.0130	4.7323	4.8022	1.8982	3.1694	3.5553	4.2945	5.7411		2.2467	3.9338
H12	3.9793	4.9246	2.1013	5.3435	4.8707	1.0977	2.0540	2.9635	5.7203	6.4497	2.2467		2.2909
H13	4.1330	4.7609	3.2042	4.5650	3.6447	2.0389	1.0030	1.7228	5.7413	5.5998	3.9338	2.2909

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
H1	N2	C4	120.504	H1	N2	H9	119.261
H1	N3	C6	121.197	H1	N3	H11	128.122
N2	H1	N3	171.979	N2	C4	O5	125.932
N2	C4	H10	113.075	N3	C6	N7	123.469
N3	C6	H12	123.261	C4	N2	H9	120.235
C4	O5	H8	120.671	O5	C4	H10	120.993
O5	H8	N7	175.756	C6	N3	H11	110.586
C6	N7	H8	119.260	C6	N7	H13	118.837
N7	C6	H12	113.236	H8	N7	H13	117.339

All results from a given calculation for HCONH₂CN₂H₄ (formamide aminomethanimine dimer)

using model chemistry: MP2/6-311G*

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 HCONH2CN2H4 (formamide aminomethanimine dimer)

using model chemistry: MP2/6-311G*

States and conformations

All results from a given calculation for HCONH₂CN₂H₄ (formamide aminomethanimine dimer)