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	-263.306961
Energy at 298.15K	-263.314675
HF Energy	-263.306961
Nuclear repulsion energy	183.897402

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3641	3599	61.30
2	A	3575	3534	60.77
3	A	3511	3470	25.60
4	A	3072	3037	5.04
5	A	2970	2936	25.40
6	A	2919	2886	47.28
7	A	1779	1758	510.53
8	A	1549	1531	255.69
9	A	1467	1450	133.84
10	A	1444	1428	14.34
11	A	1411	1395	13.94
12	A	1396	1380	4.13
13	A	1361	1346	29.40
14	A	1190	1176	10.18
15	A	1105	1093	3.07
16	A	1101	1088	17.46
17	A	1034	1022	11.99
18	A	896	886	5.83
19	A	745	736	22.94
20	A	573	566	7.72
21	A	529	523	35.57
22	A	505	499	42.43
23	A	379	375	16.23
24	A	294	291	131.34
25	A	279	276	93.04
26	A	133	131	5.81
27	A	65	65	3.96

Atom	x (Å)	y (Å)	z (Å)
C1	-1.868	0.074	0.007
H2	-1.905	0.800	-0.814
H3	-2.738	-0.583	-0.108
H4	-1.953	0.624	0.958
H5	-0.646	-1.465	0.624
N6	-0.640	-0.734	-0.091
C7	0.608	-0.115	-0.028
H8	0.124	1.800	-0.592
H9	1.618	1.549	0.110
N10	0.634	1.269	0.123
O11	1.637	-0.779	-0.034

	C1	H2	H3	H4	H5	N6	C7	H8	H9	N10	O11
C1		1.0964	1.0969	1.1013	2.0599	1.4733	2.4834	2.7027	3.7864	2.7752	3.6077
H2	1.0964		1.7625	1.7814	2.9635	2.1152	2.7871	2.2729	3.7181	2.7470	3.9555
H3	1.0969	1.7625		1.7914	2.3858	2.1039	3.3800	3.7560	4.8551	3.8548	4.3806
H4	1.1013	1.7814	1.7914		2.4859	2.1601	2.8417	2.8459	3.7849	2.7939	3.9797
H5	2.0599	2.9635	2.3858	2.4859		1.0230	1.9548	3.5680	3.8046	3.0599	2.4732
N6	1.4733	2.1152	2.1039	2.1601	1.0230		1.3945	2.6933	3.2173	2.3834	2.2783
C7	2.4834	2.7871	3.3800	2.8417	1.9548	1.3945		2.0536	1.9515	1.3922	1.2248
H8	2.7027	2.2729	3.7560	2.8459	3.5680	2.6933	2.0536		1.6690	1.0265	3.0413
H9	3.7864	3.7181	4.8551	3.7849	3.8046	3.2173	1.9515	1.6690		1.0228	2.3328
N10	2.7752	2.7470	3.8548	2.7939	3.0599	2.3834	1.3922	1.0265	1.0228		2.2855
O11	3.6077	3.9555	4.3806	3.9797	2.4732	2.2783	1.2248	3.0413	2.3328	2.2855

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	N6	H5	109.907	C1	N6	C7	119.965
H2	C1	H3	106.950	H2	C1	H4	108.304
H2	C1	N6	109.940	H3	C1	H4	109.158
H3	C1	N6	109.009	H4	C1	N6	113.283
H5	N6	C7	106.913	N6	C7	N10	117.579
N6	C7	O11	120.741	C7	N10	H8	115.388
C7	N10	H9	106.821	H8	N10	H9	109.065
N10	C7	O11	121.564

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

using model chemistry: SVWN/TZVP

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	-0.469
2	H	0.181
3	H	0.181
4	H	0.194
5	H	0.286
6	N	-0.336
7	C	0.267
8	H	0.255
9	H	0.272
10	N	-0.467
11	O	-0.363

	x	y	z	Total
	-3.949	2.090	-0.467	4.492
CHELPG
AIM
ESP

	x	y	z
x	8.107	-0.210	0.055
y	-0.210	6.947	-0.034
z	0.055	-0.034	4.733

<r²>	117.717
(<r²>)^1/2	10.850

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

using model chemistry: SVWN/TZVP

States and conformations

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