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	-316.257402
Energy at 298.15K	-316.267633
Counterpoise corrected energy	-316.244397
CP Energy at 298.15K	-316.254452
Counterpoise optimized geometry corrected energy
CP opt. Energy at 298.15K
Nuclear repulsion energy	231.299033

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3868	3503	97.05
2	A'	3843	3480	76.49
3	A'	3664	3318	2.37
4	A'	3551	3216	692.67
5	A'	3301	2989	688.23
6	A'	3239	2933	103.83
7	A'	3196	2894	246.10
8	A'	1924	1743	181.59
9	A'	1893	1714	474.24
10	A'	1842	1668	109.98
11	A'	1801	1631	0.57
12	A'	1561	1414	56.26
13	A'	1551	1405	76.72
14	A'	1484	1344	38.26
15	A'	1451	1314	159.57
16	A'	1257	1139	90.01
17	A'	1222	1107	8.42
18	A'	1201	1087	58.16
19	A'	714	647	17.40
20	A'	646	585	6.41
21	A'	257	232	83.75
22	A'	200	181	0.15
23	A'	177	160	2.70
24	A"	1227	1111	0.53
25	A"	1222	1106	5.99
26	A"	1148	1039	488.57
27	A"	1017	921	164.49
28	A"	851	771	103.78
29	A"	638	578	114.15
30	A"	508	460	84.32
31	A"	272	247	1.90
32	A"	186	169	93.80
33	A"	78	71	16.90

Atom	x (Å)	y (Å)
H1	-0.036	-1.293
N2	-1.033	-1.532
N3	1.712	-0.634
C4	-1.954	-0.572
O5	-1.735	0.638
C6	1.941	0.618
N7	0.977	1.553
H8	0.000	1.288
H9	-1.306	-2.490
H10	-2.974	-0.939
H11	2.540	-1.209
H12	2.941	1.027
H13	1.211	2.520

	H1	N2	N3	C4	O5	C6	N7	H8	H9	H10	H11	H12	H13
H1		1.0255	1.8681	2.0490	2.5720	2.7497	3.0211	2.5812	1.7448	2.9592	2.5775	3.7741	4.0114
N2	1.0255		2.8885	1.3298	2.2803	3.6700	3.6822	3.0032	0.9960	2.0290	3.5880	4.7267	4.6316
N3	1.8681	2.8885		3.6668	3.6746	1.2734	2.3081	2.5743	3.5425	4.6961	1.0079	2.0663	3.1938
C4	2.0490	1.3298	3.6668		1.2297	4.0727	3.6204	2.6980	2.0244	1.0841	4.5391	5.1496	4.4245
O5	2.5720	2.2803	3.6746	1.2297		3.6760	2.8622	1.8530	3.1571	2.0057	4.6572	4.6923	3.4957
C6	2.7497	3.6700	1.2734	4.0727	3.6760		1.3430	2.0530	4.4944	5.1558	1.9233	1.0804	2.0367
N7	3.0211	3.6822	2.3081	3.6204	2.8622	1.3430		1.0121	4.6429	4.6715	3.1742	2.0337	0.9944
H8	2.5812	3.0032	2.5743	2.6980	1.8530	2.0530	1.0121		3.9972	3.7158	3.5620	2.9525	1.7272
H9	1.7448	0.9960	3.5425	2.0244	3.1571	4.4944	4.6429	3.9972		2.2777	4.0533	5.5136	5.6061
H10	2.9592	2.0290	4.6961	1.0841	2.0057	5.1558	4.6715	3.7158	2.2777		5.5207	6.2333	5.4295
H11	2.5775	3.5880	1.0079	4.5391	4.6572	1.9233	3.1742	3.5620	4.0533	5.5207		2.2716	3.9588
H12	3.7741	4.7267	2.0663	5.1496	4.6923	1.0804	2.0337	2.9525	5.5136	6.2333	2.2716		2.2853
H13	4.0114	4.6316	3.1938	4.4245	3.4957	2.0367	0.9944	1.7272	5.6061	5.4295	3.9588	2.2853

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
H1	N2	C4	120.348	H1	N2	H9	119.323
H1	N3	C6	120.983	H1	N3	H11	124.589
N2	H1	N3	172.825	N2	C4	O5	125.931
N2	C4	H10	114.011	N3	C6	N7	123.783
N3	C6	H12	122.552	C4	N2	H9	120.329
C4	O5	H8	120.794	O5	C4	H10	120.058
O5	H8	N7	174.659	C6	N3	H11	114.428
C6	N7	H8	120.677	C6	N7	H13	120.508
N7	C6	H12	113.665	H8	N7	H13	118.814

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

using model chemistry: HF/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

Number	Element	Mulliken
1	H	0.444
2	N	-0.965
3	N	-0.779
4	C	0.630
5	O	-0.652
6	C	0.488
7	N	-0.945
8	H	0.417
9	H	0.340
10	H	0.191
11	H	0.283
12	H	0.209
13	H	0.339

	x	y	z	Total
	1.946	-1.378	0.000	2.385
CHELPG
AIM
ESP

	x	y	z
x	6.397	0.164	0.000
y	0.164	8.204	0.000
z	0.000	0.000	1.753

<r²>	213.648
(<r²>)^1/2	14.617

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

using model chemistry: HF/3-21G

States and conformations

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