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	-264.530315
Energy at 298.15K	-264.538157
Nuclear repulsion energy	180.384354

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3577	3571	29.56
2	A	3530	3523	34.26
3	A	3454	3447	10.27
4	A	3054	3048	15.37
5	A	2972	2966	36.55
6	A	2929	2924	54.37
7	A	1681	1678	456.99
8	A	1565	1562	118.53
9	A	1457	1454	35.01
10	A	1427	1424	18.04
11	A	1422	1420	37.79
12	A	1394	1391	10.89
13	A	1341	1338	166.21
14	A	1151	1149	0.71
15	A	1108	1106	4.84
16	A	1089	1087	30.08
17	A	1029	1027	36.40
18	A	849	847	3.90
19	A	720	719	22.38
20	A	566	565	32.48
21	A	528	527	63.08
22	A	496	495	55.57
23	A	444	443	16.89
24	A	352	351	133.96
25	A	267	267	3.12
26	A	141	141	2.47
27	A	85	85	4.48

Atom	x (Å)	y (Å)	z (Å)
C1	-1.905	0.052	0.063
H2	-2.081	0.782	-0.752
H3	-2.729	-0.680	0.029
H4	-1.950	0.585	1.034
H5	-0.635	-1.678	-0.033
N6	-0.639	-0.665	-0.121
C7	0.631	-0.113	-0.016
H8	-0.072	1.839	-0.365
H9	1.613	1.662	-0.083
N10	0.676	1.287	0.052
O11	1.655	-0.812	0.047

	C1	H2	H3	H4	H5	N6	C7	H8	H9	N10	O11
C1		1.1087	1.1021	1.1086	2.1483	1.4663	2.5434	2.5960	3.8726	2.8622	3.6635
H2	1.1087		1.7798	1.8018	2.9429	2.1376	2.9496	2.3029	3.8563	2.9164	4.1396
H3	1.1021	1.7798		1.7938	2.3206	2.0952	3.4081	3.6823	4.9350	3.9328	4.3857
H4	1.1086	1.8018	1.7938		2.8264	2.1480	2.8726	2.6559	3.8864	2.8904	3.9899
H5	2.1483	2.9429	2.3206	2.8264		1.0173	2.0130	3.5772	4.0264	3.2429	2.4490
N6	1.4663	2.1376	2.0952	2.1480	1.0173		1.3892	2.5786	3.2387	2.3599	2.3049
C7	2.5434	2.9496	3.4081	2.8726	2.0130	1.3892		2.1042	2.0297	1.4023	1.2410
H8	2.5960	2.3029	3.6823	2.6559	3.5772	2.5786	2.1042		1.7182	1.0192	3.1909
H9	3.8726	3.8563	4.9350	3.8864	4.0264	3.2387	2.0297	1.7182		1.0182	2.4780
N10	2.8622	2.9164	3.9328	2.8904	3.2429	2.3599	1.4023	1.0192	1.0182		2.3159
O11	3.6635	4.1396	4.3857	3.9899	2.4490	2.3049	1.2410	3.1909	2.4780	2.3159

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	N6	H5	118.647	C1	N6	C7	125.899
H2	C1	H3	107.228	H2	C1	H4	108.702
H2	C1	N6	111.465	H3	C1	H4	108.470
H3	C1	N6	108.485	H4	C1	N6	112.322
H5	N6	C7	112.632	N6	C7	N10	115.432
N6	C7	O11	122.303	C7	N10	H8	119.841
C7	N10	H9	113.011	H8	N10	H9	114.981
N10	C7	O11	122.242

All results from a given calculation for C₂H₆N₂O (Urea, methyl-)

using model chemistry: BLYP/aug-cc-pVDZ

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	C	1.247
2	H	-0.277
3	H	-0.522
4	H	-0.264
5	H	-0.222
6	N	0.113
7	C	0.483
8	H	-0.137
9	H	-0.118
10	N	0.178
11	O	-0.481

	x	y	z	Total
	-3.716	2.019	-0.574	4.267
CHELPG
AIM
ESP

	x	y	z
x	9.462	-0.189	0.064
y	-0.189	8.215	0.017
z	0.064	0.017	5.731

<r²>	122.484
(<r²>)^1/2	11.067

All results from a given calculation for C2H6N2O (Urea, methyl-)

using model chemistry: BLYP/aug-cc-pVDZ

States and conformations

All results from a given calculation for C₂H₆N₂O (Urea, methyl-)