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	-321.587017
Energy at 298.15K	-321.595859
Nuclear repulsion energy	241.883819

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3600	3567	32.72
2	A	3476	3444	16.59
3	A	3091	3063	15.84
4	A	3080	3052	15.47
5	A	3003	2976	11.38
6	A	2969	2942	42.09
7	A	2928	2901	30.09
8	A	1768	1751	318.82
9	A	1627	1612	100.31
10	A	1531	1517	2.46
11	A	1520	1506	11.98
12	A	1503	1490	7.91
13	A	1413	1400	10.95
14	A	1364	1352	21.90
15	A	1285	1273	1.05
16	A	1264	1253	303.57
17	A	1134	1123	2.85
18	A	1120	1110	7.53
19	A	1053	1043	14.36
20	A	1019	1010	98.48
21	A	941	932	46.63
22	A	854	846	2.28
23	A	800	793	21.37
24	A	741	735	51.65
25	A	541	536	113.94
26	A	539	534	4.41
27	A	525	520	4.32
28	A	384	381	163.01
29	A	366	363	0.60
30	A	243	241	0.03
31	A	205	203	3.72
32	A	109	108	0.31
33	A	32	31	0.61

Atom	x (Å)	y (Å)	z (Å)
C1	-2.588	-0.263	0.000
H2	-2.649	-0.903	0.895
H3	-3.432	0.448	0.001
H4	-2.650	-0.902	-0.894
C5	-1.255	0.488	0.000
H6	-1.167	1.127	-0.902
H7	-1.166	1.126	0.903
O8	-0.211	-0.558	-0.001
N9	1.387	1.183	0.000
H10	0.659	1.895	-0.001
H11	2.362	1.480	0.001
C12	1.149	-0.176	-0.000
O13	2.023	-1.048	0.000

	C1	H2	H3	H4	C5	H6	H7	O8	N9	H10	H11	C12	O13
C1		1.1016	1.1033	1.1016	1.5299	2.1825	2.1825	2.3951	4.2292	3.8981	5.2475	3.7379	4.6776
H2	1.1016		1.7990	1.7892	2.1632	3.0895	2.5128	2.6202	4.6301	4.4240	5.6201	3.9691	4.7593
H3	1.1033	1.7990		1.7989	2.1775	2.5312	2.5313	3.3744	4.8744	4.3391	5.8852	4.6234	5.6568
H4	1.1016	1.7892	1.7989		2.1632	2.5127	3.0895	2.6201	4.6306	4.4236	5.6208	3.9697	4.7605
C5	1.5299	2.1632	2.1775	2.1632		1.1089	1.1089	1.4780	2.7314	2.3750	3.7504	2.4943	3.6206
H6	2.1825	3.0895	2.5312	2.5127	1.1089		1.8058	2.1365	2.7092	2.1763	3.6601	2.8067	3.9655
H7	2.1825	2.5128	2.5313	3.0895	1.1089	1.8058		2.1364	2.7083	2.1772	3.6588	2.8056	3.9639
O8	2.3951	2.6202	3.3744	2.6201	1.4780	2.1365	2.1364		2.3630	2.6026	3.2821	1.4125	2.2875
N9	4.2292	4.6301	4.8744	4.6306	2.7314	2.7092	2.7083	2.3630		1.0181	1.0195	1.3804	2.3207
H10	3.8981	4.4240	4.3391	4.4236	2.3750	2.1763	2.1772	2.6026	1.0181		1.7534	2.1288	3.2444
H11	5.2475	5.6201	5.8852	5.6208	3.7504	3.6601	3.6588	3.2821	1.0195	1.7534		2.0528	2.5505
C12	3.7379	3.9691	4.6234	3.9697	2.4943	2.8067	2.8056	1.4125	1.3804	2.1288	2.0528		1.2347
O13	4.6776	4.7593	5.6568	4.7605	3.6206	3.9655	3.9639	2.2875	2.3207	3.2444	2.5505	1.2347

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C5	H6	110.584	C1	C5	H7	110.591
C1	C5	O8	105.540	H2	C1	H3	109.344
H2	C1	H4	108.594	H2	C1	C5	109.503
H3	C1	H4	109.343	H3	C1	C5	110.522
H4	C1	C5	109.503	C5	O8	C12	119.270
H6	C5	H7	109.023	H6	C5	O8	110.540
H7	C5	O8	110.536	O8	C12	N9	115.574
O8	C12	O13	119.415	N9	C12	O13	125.011
H10	N9	H11	118.746	H10	N9	C12	124.449
H11	N9	C12	116.805

All results from a given calculation for NH₂COOC₂H₅ (Urethane)

using model chemistry: PBEPBE/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	C	-0.608
2	H	0.232
3	H	0.204
4	H	0.232
5	C	-0.219
6	H	0.203
7	H	0.203
8	O	-0.451
9	N	-0.760
10	H	0.322
11	H	0.330
12	C	0.788
13	O	-0.475

	x	y	z	Total
	-2.120	4.604	-0.000	5.069
CHELPG
AIM
ESP

	x	y	z
x	8.530	-0.384	0.001
y	-0.384	6.451	-0.000
z	0.001	-0.000	4.001

<r²>	197.166
(<r²>)^1/2	14.042

All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: PBEPBE/3-21G

States and conformations

All results from a given calculation for NH₂COOC₂H₅ (Urethane)