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	-319.687982
Energy at 298.15K	-319.697279
Nuclear repulsion energy	71.780416

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3619	3583	74.78
2	A'	3566	3531	41.08
3	A'	3461	3426	7.01
4	A'	3148	3116	1005.64
5	A'	2974	2945	61.85
6	A'	2880	2851	327.77
7	A'	2862	2834	932.62
8	A'	1709	1692	582.95
9	A'	1669	1652	78.93
10	A'	1604	1588	0.17
11	A'	1583	1567	0.03
12	A'	1381	1367	21.64
13	A'	1368	1354	16.83
14	A'	1323	1310	30.69
15	A'	1312	1299	89.28
16	A'	1127	1115	61.21
17	A'	1087	1076	1.27
18	A'	1072	1061	10.29
19	A'	633	627	8.11
20	A'	573	567	6.51
21	A'	238	236	97.50
22	A'	178	177	1.85
23	A'	160	158	0.28
24	A"	1027	1016	21.92
25	A"	1006	996	0.00
26	A"	900	891	27.18
27	A"	803	795	5.44
28	A"	730	723	117.48
29	A"	512	507	77.99
30	A"	365	362	55.47
31	A"	160	159	4.51
32	A"	115	113	79.84
33	A"	58	58	7.31

Atom	x (Å)	y (Å)
H1	-0.026	-1.285
N2	-1.055	-1.505
N3	1.703	-0.691
C4	-1.976	-0.527
O5	-1.735	0.687
C6	1.963	0.580
N7	1.004	1.528
H8	0.000	1.271
H9	-1.367	-2.469
H10	-3.026	-0.897
H11	2.565	-1.237
H12	2.989	0.980
H13	1.267	2.502

	H1	N2	N3	C4	O5	C6	N7	H8	H9	H10	H11	H12	H13
H1		1.0523	1.8282	2.0924	2.6102	2.7263	2.9955	2.5566	1.7886	3.0252	2.5915	3.7713	4.0020
N2	1.0523		2.8757	1.3432	2.2954	3.6678	3.6656	2.9700	1.0129	2.0627	3.6300	4.7468	4.6313
N3	1.8282	2.8757		3.6829	3.7043	1.2969	2.3261	2.5982	3.5476	4.7335	1.0205	2.1087	3.2228
C4	2.0924	1.3432	3.6829		1.2385	4.0917	3.6202	2.6723	2.0346	1.1127	4.5965	5.1895	4.4382
O5	2.6102	2.2954	3.7043	1.2385		3.6997	2.8654	1.8310	3.1774	2.0432	4.7114	4.7338	3.5082
C6	2.7263	3.6678	1.2969	4.0917	3.6997		1.3483	2.0810	4.5144	5.2026	1.9140	1.1019	2.0446
N7	2.9955	3.6656	2.3261	3.6202	2.8654	1.3483		1.0362	4.6468	4.7031	3.1751	2.0595	1.0094
H8	2.5566	2.9700	2.5982	2.6723	1.8310	2.0810	1.0362		3.9820	3.7225	3.5877	3.0035	1.7664
H9	1.7886	1.0129	3.5476	2.0346	3.1774	4.5144	4.6468	3.9820		2.2855	4.1204	5.5562	5.6256
H10	3.0252	2.0627	4.7335	1.1127	2.0432	5.2026	4.7031	3.7225	2.2855		5.6015	6.3013	5.4755
H11	2.5915	3.6300	1.0205	4.5965	4.7114	1.9140	3.1751	3.5877	4.1204	5.6015		2.2573	3.9583
H12	3.7713	4.7468	2.1087	5.1895	4.7338	1.1019	2.0595	3.0035	5.5562	6.3013	2.2573		2.2988
H13	4.0020	4.6313	3.2228	4.4382	3.5082	2.0446	1.0094	1.7664	5.6256	5.4755	3.9583	2.2988

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
H1	N2	C4	121.247	H1	N2	H9	119.994
H1	N3	C6	120.523	H1	N3	H11	128.676
N2	H1	N3	173.088	N2	C4	O5	125.479
N2	C4	H10	113.925	N3	C6	N7	123.123
N3	C6	H12	122.857	C4	N2	H9	118.759
C4	O5	H8	119.816	O5	C4	H10	120.596
O5	H8	N7	175.729	C6	N3	H11	110.801
C6	N7	H8	120.995	C6	N7	H13	119.583
N7	C6	H12	114.020	H8	N7	H13	119.422

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

using model chemistry: PBEPBEultrafine_cp_opt/aug-cc-pVTZ

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

Number	Element	Mulliken
1	H	0.000
2	N	0.000
3	N	-0.481
4	C	0.000
5	O	0.000
6	C	-0.070
7	N	-0.095
8	H	0.105
9	H	0.000
10	H	0.000
11	H	0.089
12	H	0.408
13	H	0.043

	x	y	z	Total
	1.669	-0.979	0.000	1.935
CHELPG
AIM
ESP

	x	y	z
x	5.283	-0.487	0.000
y	-0.487	6.977	0.000
z	0.000	0.000	3.832

<r²>	0.000
(<r²>)^1/2	0.000

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

using model chemistry: PBEPBEultrafine_cp_opt/aug-cc-pVTZ

States and conformations

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