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	-303.744950
Energy at 298.15K	-303.755474
HF Energy	-303.744950
Nuclear repulsion energy	244.605921

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3715	3519	37.21
2	A	3638	3445	34.08
3	A	3602	3411	29.01
4	A	3180	3011	17.07
5	A	3164	2996	24.07
6	A	3094	2930	28.29
7	A	3087	2923	14.57
8	A	3058	2896	36.42
9	A	1875	1775	514.83
10	A	1662	1574	169.96
11	A	1564	1481	2.92
12	A	1538	1456	3.49
13	A	1527	1446	7.30
14	A	1487	1408	66.78
15	A	1466	1388	217.89
16	A	1441	1365	26.62
17	A	1377	1304	20.31
18	A	1319	1249	2.09
19	A	1230	1165	22.02
20	A	1184	1121	1.73
21	A	1150	1089	22.26
22	A	1091	1033	14.57
23	A	1017	963	2.97
24	A	918	869	2.12
25	A	834	790	0.48
26	A	795	752	82.67
27	A	614	582	65.00
28	A	593	561	131.06
29	A	565	535	34.62
30	A	502	475	47.44
31	A	406	384	109.88
32	A	371	351	0.11
33	A	280	265	3.12
34	A	206	195	2.24
35	A	121	114	8.68
36	A	60	57	0.34

Atom	x (Å)	y (Å)	z (Å)
C1	-2.629	-0.061	-0.086
H2	-2.802	-1.139	-0.041
H3	-3.383	0.438	0.527
H4	-2.741	0.268	-1.121
C5	-1.223	0.276	0.415
H6	-1.067	1.355	0.373
H7	-1.120	-0.046	1.459
N8	-0.206	-0.381	-0.436
H9	-0.329	-1.391	-0.405
N10	1.477	1.192	-0.013
H11	2.470	1.238	0.199
H12	1.294	1.676	-0.892
C13	1.117	-0.151	-0.070
O14	1.900	-1.057	0.186

	C1	H2	H3	H4	C5	H6	H7	N8	H9	N10	H11	H12	C13	O14
C1		1.0927	1.0919	1.0927	1.5299	2.1575	2.1597	2.4687	2.6760	4.2933	5.2699	4.3658	3.7470	4.6450
H2	1.0927		1.7741	1.7755	2.1690	3.0662	2.5052	2.7328	2.5125	4.8726	5.7886	5.0428	4.0418	4.7081
H3	1.0919	1.7741		1.7769	2.1680	2.4947	2.4948	3.4184	3.6794	4.9467	5.9163	5.0416	4.5768	5.5005
H4	1.0927	1.7755	1.7769		2.1594	2.4931	3.0635	2.7047	3.0142	4.4575	5.4624	4.2796	4.0201	5.0001
C5	1.5299	2.1690	2.1680	2.1594		1.0903	1.0974	1.4801	2.0622	2.8829	3.8230	3.1632	2.4280	3.4039
H6	2.1575	3.0662	2.4947	2.4931	1.0903		1.7729	2.0999	2.9479	2.5783	3.5438	2.6985	2.6897	3.8284
H7	2.1597	2.5052	2.4948	3.0635	1.0974	1.7729		2.1296	2.4303	3.2307	4.0155	3.7841	2.7113	3.4293
N8	2.4687	2.7328	3.4184	2.7047	1.4801	2.0999	2.1296		1.0177	2.3421	3.1920	2.5870	1.3919	2.2976
H9	2.6760	2.5125	3.6794	3.0142	2.0622	2.9479	2.4303	1.0177		3.1755	3.8873	3.5042	1.9339	2.3295
N10	4.2933	4.8726	4.9467	4.4575	2.8829	2.5783	3.2307	2.3421	3.1755		1.0168	1.0206	1.3911	2.2970
H11	5.2699	5.7886	5.9163	5.4624	3.8230	3.5438	4.0155	3.1920	3.8873	1.0168		1.6626	1.9579	2.3653
H12	4.3658	5.0428	5.0416	4.2796	3.1632	2.6985	3.7841	2.5870	3.5042	1.0206	1.6626		2.0111	3.0000
C13	3.7470	4.0418	4.5768	4.0201	2.4280	2.6897	2.7113	1.3919	1.9339	1.3911	1.9579	2.0111		1.2249
O14	4.6450	4.7081	5.5005	5.0001	3.4039	3.8284	3.4293	2.2976	2.3295	2.2970	2.3653	3.0000	1.2249

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C5	H6	109.717	C1	C5	H7	109.474
C1	C5	N8	110.191	H2	C1	H3	108.606
H2	C1	H4	108.662	H2	C1	C5	110.486
H3	C1	H4	108.856	H3	C1	C5	110.455
H4	C1	C5	109.730	C5	N8	H9	109.917
C5	N8	C13	115.396	H6	C5	H7	108.268
H6	C5	N8	108.609	H7	C5	N8	110.548
N8	C13	N10	114.618	N8	C13	O14	122.690
H9	N8	C13	105.701	N10	C13	O14	122.691
H11	N10	H12	109.383	H11	N10	C13	107.791
H12	N10	C13	112.085

All results from a given calculation for NH₂CONHC₂H₅ (Urea, ethyl-)

using model chemistry: M06-2X/6-31G*

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	-0.514
2	H	0.172
3	H	0.178
4	H	0.179
5	C	-0.140
6	H	0.155
7	H	0.178
8	N	-0.652
9	H	0.355
10	N	-0.804
11	H	0.363
12	H	0.345
13	C	0.722
14	O	-0.538

	x	y	z	Total
	-3.025	2.560	-0.661	4.018
CHELPG
AIM
ESP

	x	y	z
x	8.718	-0.227	0.195
y	-0.227	7.306	-0.131
z	0.195	-0.131	4.898

<r²>	0.000
(<r²>)^1/2	0.000

All results from a given calculation for NH2CONHC2H5 (Urea, ethyl-)

using model chemistry: M06-2X/6-31G*

States and conformations

All results from a given calculation for NH₂CONHC₂H₅ (Urea, ethyl-)