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	-233.587111
Energy at 298.15K	-233.598283
Nuclear repulsion energy	189.795416

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3143	3033	28.76
2	A₁	3053	2946	8.69
3	A₁	2963	2859	113.50
4	A₁	1512	1459	1.51
5	A₁	1475	1423	4.11
6	A₁	1439	1389	4.76
7	A₁	1377	1328	0.20
8	A₁	1179	1138	23.28
9	A₁	1075	1037	13.14
10	A₁	864	833	5.93
11	A₁	441	425	0.04
12	A₁	191	184	0.54
13	A₂	3143	3033	0.00
14	A₂	2989	2885	0.00
15	A₂	1451	1400	0.00
16	A₂	1279	1234	0.00
17	A₂	1155	1115	0.00
18	A₂	814	785	0.00
19	A₂	251	243	0.00
20	A₂	102	98	0.00
21	B₁	3143	3033	46.20
22	B₁	2984	2880	139.62
23	B₁	1451	1400	12.38
24	B₁	1283	1238	3.83
25	B₁	1187	1146	13.49
26	B₁	825	796	1.41
27	B₁	257	248	1.51
28	B₁	104	100	3.52
29	B₂	3143	3033	15.68
30	B₂	3052	2946	28.96
31	B₂	2950	2847	10.39
32	B₂	1489	1437	3.30
33	B₂	1472	1420	0.78
34	B₂	1396	1347	49.98
35	B₂	1358	1310	36.66
36	B₂	1187	1145	220.36
37	B₂	1097	1058	0.66
38	B₂	955	921	4.67
39	B₂	430	415	3.17

Atom	x (Å)	y (Å)	z (Å)
O1	0.000	0.000	0.261
C2	0.000	1.175	-0.517
C3	0.000	-1.175	-0.517
C4	0.000	2.371	0.411
C5	0.000	-2.371	0.411
H6	0.891	1.197	-1.181
H7	-0.891	1.197	-1.181
H8	0.891	-1.197	-1.181
H9	-0.891	-1.197	-1.181
H10	0.000	3.309	-0.165
H11	0.000	-3.309	-0.165
H12	-0.891	2.359	1.057
H13	0.891	2.359	1.057
H14	0.891	-2.359	1.057
H15	-0.891	-2.359	1.057

	O1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11	H12	H13	H14	H15
O1		1.4097	1.4097	2.3760	2.3760	2.0751	2.0751	2.0751	2.0751	3.3365	3.3365	2.6444	2.6444	2.6444	2.6444
C2	1.4097		2.3509	1.5136	3.6661	1.1110	1.1110	2.6197	2.6197	2.1624	4.4983	2.1618	2.1618	3.9706	3.9706
C3	1.4097	2.3509		3.6661	1.5136	2.6197	2.6197	1.1110	1.1110	4.4983	2.1624	3.9706	3.9706	2.1618	2.1618
C4	2.3760	1.5136	3.6661		4.7425	2.1691	2.1691	4.0075	4.0075	1.1007	5.7095	1.1007	1.1007	4.8568	4.8568
C5	2.3760	3.6661	1.5136	4.7425		4.0075	4.0075	2.1691	2.1691	5.7095	1.1007	4.8568	4.8568	1.1007	1.1007
H6	2.0751	1.1110	2.6197	2.1691	4.0075		1.7814	2.3943	2.9843	2.5069	4.7043	3.0875	2.5217	4.2019	4.5640
H7	2.0751	1.1110	2.6197	2.1691	4.0075	1.7814		2.9843	2.3943	2.5069	4.7043	2.5217	3.0875	4.5640	4.2019
H8	2.0751	2.6197	1.1110	4.0075	2.1691	2.3943	2.9843		1.7814	4.7043	2.5069	4.5640	4.2019	2.5217	3.0875
H9	2.0751	2.6197	1.1110	4.0075	2.1691	2.9843	2.3943	1.7814		4.7043	2.5069	4.2019	4.5640	3.0875	2.5217
H10	3.3365	2.1624	4.4983	1.1007	5.7095	2.5069	2.5069	4.7043	4.7043		6.6182	1.7863	1.7863	5.8667	5.8667
H11	3.3365	4.4983	2.1624	5.7095	1.1007	4.7043	4.7043	2.5069	2.5069	6.6182		5.8667	5.8667	1.7863	1.7863
H12	2.6444	2.1618	3.9706	1.1007	4.8568	3.0875	2.5217	4.5640	4.2019	1.7863	5.8667		1.7816	5.0436	4.7184
H13	2.6444	2.1618	3.9706	1.1007	4.8568	2.5217	3.0875	4.2019	4.5640	1.7863	5.8667	1.7816		4.7184	5.0436
H14	2.6444	3.9706	2.1618	4.8568	1.1007	4.2019	4.5640	2.5217	3.0875	5.8667	1.7863	5.0436	4.7184		1.7816
H15	2.6444	3.9706	2.1618	4.8568	1.1007	4.5640	4.2019	3.0875	2.5217	5.8667	1.7863	4.7184	5.0436	1.7816

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
O1	C2	C4	108.683	O1	C2	H6	110.249
O1	C2	H7	110.249	O1	C3	C5	108.683
O1	C3	H8	110.249	O1	C3	H9	110.249
C2	O1	C3	112.981	C2	C4	H10	110.622
C2	C4	H12	110.570	C2	C4	H13	110.570
C3	C5	H11	110.622	C3	C5	H14	110.570
C3	C5	H15	110.570	C4	C2	H6	110.534
C4	C2	H7	110.534	C5	C3	H8	110.534
C5	C3	H9	110.534	H6	C2	H7	106.589
H8	C3	H9	106.589	H10	C4	H12	108.470
H10	C4	H13	108.470	H11	C5	H14	108.470
H11	C5	H15	108.470	H12	C4	H13	108.057
H14	C5	H15	108.057

All results from a given calculation for C₄H₁₀O (Ethoxy ethane)

using model chemistry: B3PW91/cc-pVDZ

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	O	-0.329
2	C	0.068
3	C	0.068
4	C	-0.086
5	C	-0.086
6	H	0.020
7	H	0.020
8	H	0.020
9	H	0.020
10	H	0.039
11	H	0.039
12	H	0.052
13	H	0.052
14	H	0.052
15	H	0.052

<r²>	176.275
(<r²>)^1/2	13.277

All results from a given calculation for C4H10O (Ethoxy ethane)

using model chemistry: B3PW91/cc-pVDZ

States and conformations

All results from a given calculation for C₄H₁₀O (Ethoxy ethane)