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	-193.181766
Energy at 298.15K	-193.190558
HF Energy	-193.181766
Nuclear repulsion energy	130.381749

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3054	3034	26.36
2	A'	3042	3023	31.00
3	A'	2990	2970	14.89
4	A'	2899	2880	82.11
5	A'	2884	2866	31.02
6	A'	1557	1547	0.31
7	A'	1540	1530	3.40
8	A'	1531	1521	13.81
9	A'	1466	1457	1.94
10	A'	1418	1409	7.80
11	A'	1377	1368	37.44
12	A'	1174	1167	15.23
13	A'	1087	1080	5.28
14	A'	1030	1023	108.87
15	A'	954	947	6.47
16	A'	799	794	9.49
17	A'	439	436	0.99
18	A'	266	265	3.44
19	A"	3060	3040	29.50
20	A"	2923	2904	88.12
21	A"	2910	2891	66.90
22	A"	1516	1506	5.76
23	A"	1508	1498	5.27
24	A"	1280	1272	0.06
25	A"	1160	1153	5.65
26	A"	1114	1107	0.20
27	A"	843	837	1.20
28	A"	256	254	2.74
29	A"	206	205	0.17
30	A"	110	109	4.01

Atom	x (Å)	y (Å)	z (Å)
C1	1.373	1.256	0.000
O2	0.000	0.729	0.000
C3	-0.001	-0.748	0.000
C4	-1.483	-1.171	0.000
H5	1.274	2.351	0.000
H6	1.945	0.943	0.898
H7	1.945	0.943	-0.898
H8	0.520	-1.144	-0.897
H9	0.520	-1.144	0.897
H10	-1.572	-2.269	0.000
H11	-1.982	-0.766	0.894
H12	-1.982	-0.766	-0.894

	C1	O2	C3	C4	H5	H6	H7	H8	H9	H10	H11	H12
C1		1.4710	2.4301	3.7484	1.1000	1.1098	1.1098	2.7007	2.7007	4.5941	4.0179	4.0179
O2	1.4710		1.4769	2.4104	2.0628	2.1532	2.1532	2.1407	2.1407	3.3856	2.6383	2.6383
C3	2.4301	1.4769		1.5413	3.3515	2.7304	2.7304	1.1102	1.1102	2.1870	2.1731	2.1731
C4	3.7484	2.4104	1.5413		4.4733	4.1268	4.1268	2.1947	2.1947	1.1019	1.1009	1.1009
H5	1.1000	2.0628	3.3515	4.4733		1.8003	1.8003	3.6868	3.6868	5.4271	4.5951	4.5951
H6	1.1098	2.1532	2.7304	4.1268	1.8003		1.7965	3.1001	2.5276	4.8477	4.2827	4.6425
H7	1.1098	2.1532	2.7304	4.1268	1.8003	1.7965		2.5276	3.1001	4.8477	4.6425	4.2827
H8	2.7007	2.1407	1.1102	2.1947	3.6868	3.1001	2.5276		1.7936	2.5391	3.0996	2.5301
H9	2.7007	2.1407	1.1102	2.1947	3.6868	2.5276	3.1001	1.7936		2.5391	2.5301	3.0996
H10	4.5941	3.3856	2.1870	1.1019	5.4271	4.8477	4.8477	2.5391	2.5391		1.7966	1.7966
H11	4.0179	2.6383	2.1731	1.1009	4.5951	4.2827	4.6425	3.0996	2.5301	1.7966		1.7876
H12	4.0179	2.6383	2.1731	1.1009	4.5951	4.6425	4.2827	2.5301	3.0996	1.7966	1.7876

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	O2	C3	111.045	O2	C1	H5	105.808
O2	C1	H6	112.333	O2	C1	H7	112.333
O2	C3	C4	105.978	O2	C3	H8	110.882
O2	C3	H9	110.882	C3	C4	H10	110.569
C3	C4	H11	109.541	C3	C4	H12	109.541
C4	C3	H8	110.686	C4	C3	H9	110.686
H5	C1	H6	109.111	H5	C1	H7	109.111
H6	C1	H7	108.065	H8	C3	H9	107.760
H10	C4	H11	109.297	H10	C4	H12	109.297
H11	C4	H12	108.564

All results from a given calculation for CH₃OC₂H₅ (Ethane, methoxy-)

using model chemistry: BLYP/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	-0.303
2	O	-0.429
3	C	-0.119
4	C	-0.534
5	H	0.190
6	H	0.160
7	H	0.160
8	H	0.159
9	H	0.159
10	H	0.171
11	H	0.192
12	H	0.192

	x	y	z	Total
	1.032	-0.727	0.000	1.262
CHELPG
AIM
ESP

	x	y	z
x	5.733	0.917	0.000
y	0.917	5.890	0.000
z	0.000	0.000	4.755

<r²>	106.994
(<r²>)^1/2	10.344

All results from a given calculation for CH3OC2H5 (Ethane, methoxy-)

using model chemistry: BLYP/3-21G*

States and conformations

All results from a given calculation for CH₃OC₂H₅ (Ethane, methoxy-)