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	-323.581675
Energy at 298.15K	-323.573736
HF Energy	-323.775385
Nuclear repulsion energy	246.286459

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3715	3585	35.91
2	A	3599	3473	23.69
3	A	3133	3023	20.13
4	A	3125	3016	18.91
5	A	3050	2944	13.51
6	A	3050	2943	23.93
7	A	2987	2883	40.88
8	A	1855	1790	458.84
9	A	1625	1568	115.97
10	A	1524	1470	1.41
11	A	1500	1447	3.06
12	A	1484	1432	4.56
13	A	1425	1375	6.72
14	A	1405	1356	14.73
15	A	1336	1289	350.67
16	A	1303	1257	1.97
17	A	1181	1139	4.63
18	A	1153	1113	24.33
19	A	1102	1063	96.50
20	A	1092	1054	55.05
21	A	988	953	12.88
22	A	858	828	11.89
23	A	833	804	0.66
24	A	776	749	29.96
25	A	576	556	25.81
26	A	553	534	4.29
27	A	534	515	72.17
28	A	395	381	101.96
29	A	376	363	17.96
30	A	254	246	0.44
31	A	215	207	2.26
32	A	112	108	0.87
33	A	88	85	1.10

Atom	x (Å)	y (Å)	z (Å)
C1	2.559	-0.246	0.047
H2	2.700	-0.862	-0.844
H3	3.377	0.478	0.105
H4	2.603	-0.896	0.925
C5	1.225	0.477	-0.011
H6	1.071	1.092	0.885
H7	1.188	1.134	-0.892
O8	0.200	-0.517	-0.099
N9	-1.398	1.160	0.078
H10	-0.768	1.842	-0.309
H11	-2.378	1.366	-0.028
C12	-1.114	-0.187	-0.010
O13	-1.953	-1.049	0.030

	C1	H2	H3	H4	C5	H6	H7	O8	N9	H10	H11	C12	O13
C1		1.0930	1.0940	1.0930	1.5184	2.1688	2.1603	2.3793	4.1995	3.9443	5.1945	3.6740	4.5830
H2	1.0930		1.7766	1.7727	2.1599	3.0758	2.5048	2.6322	4.6622	4.4306	5.6058	3.9626	4.7384
H3	1.0940	1.7766		1.7770	2.1551	2.5097	2.4932	3.3355	4.8233	4.3831	5.8249	4.5414	5.5449
H4	1.0930	1.7727	1.7770		2.1584	2.5094	3.0700	2.6399	4.5774	4.5149	5.5534	3.8979	4.6459
C5	1.5184	2.1599	2.1551	2.1584		1.0969	1.1004	1.4303	2.7118	2.4342	3.7115	2.4314	3.5255
H6	2.1688	3.0758	2.5097	2.5094	1.0969		1.7813	2.0771	2.5986	2.3176	3.5791	2.6855	3.8028
H7	2.1603	2.5048	2.4932	3.0700	1.1004	1.7813		2.0813	2.7623	2.1606	3.6771	2.7974	3.9350
O8	2.3793	2.6322	3.3355	2.6399	1.4303	2.0771	2.0813		2.3229	2.5586	3.1932	1.3574	2.2213
N9	4.1995	4.6622	4.8233	4.5774	2.7118	2.5986	2.7623	2.3229		1.0063	1.0075	1.3798	2.2786
H10	3.9443	4.4306	4.3831	4.5149	2.4342	2.3176	2.1606	2.5586	1.0063		1.7029	2.0808	3.1436
H11	5.1945	5.6058	5.8249	5.5534	3.7115	3.5791	3.6771	3.1932	1.0075	1.7029		2.0029	2.4532
C12	3.6740	3.9626	4.5414	3.8979	2.4314	2.6855	2.7974	1.3574	1.3798	2.0808	2.0029		1.2035
O13	4.5830	4.7384	5.5449	4.6459	3.5255	3.8028	3.9350	2.2213	2.2786	3.1436	2.4532	1.2035

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C5	H6	110.954	C1	C5	H7	109.954
C1	C5	O8	107.794	H2	C1	H3	108.663
H2	C1	H4	108.404	H2	C1	C5	110.474
H3	C1	H4	108.716	H3	C1	C5	110.197
H4	C1	C5	110.333	C5	O8	C12	121.895
H6	C5	H7	108.164	H6	C5	O8	109.844
H7	C5	O8	110.136	O8	C12	N9	115.577
O8	C12	O13	120.684	N9	C12	O13	123.695
H10	N9	H11	115.597	H10	N9	C12	120.967
H11	N9	C12	113.542

All results from a given calculation for NH₂COOC₂H₅ (Urethane)

using model chemistry: G4

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	-0.385
2	H	0.138
3	H	0.121
4	H	0.140
5	C	-0.058
6	H	0.120
7	H	0.102
8	O	-0.229
9	N	-0.567
10	H	0.257
11	H	0.269
12	C	0.467
13	O	-0.374

	x	y	z	Total
	2.298	4.076	-0.603	4.717
CHELPG
AIM
ESP

	x	y	z
x	0.000	0.000	0.000
y	0.000	0.000	0.000
z	0.000	0.000	0.000

<r²>	191.869
(<r²>)^1/2	13.852

All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: G4

States and conformations

All results from a given calculation for NH₂COOC₂H₅ (Urethane)