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	-195.264332
Energy at 298.15K	-195.271778
Nuclear repulsion energy	154.451101

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3132	3123	17.82
2	A	3056	3046	0.94
3	A	3049	3040	8.62
4	A	2930	2921	22.59
5	A	1652	1647	1.00
6	A	1439	1435	5.98
7	A	1419	1414	0.00
8	A	1293	1289	0.13
9	A	1229	1225	0.05
10	A	1057	1054	2.01
11	A	1002	999	9.91
12	A	916	913	35.79
13	A	886	884	4.45
14	A	660	658	9.68
15	A	365	364	0.44
16	A	296	295	0.11
17	A	87	87	0.01
18	A	3132	3123	22.91
19	A	3055	3046	10.51
20	A	3049	3040	32.10
21	A	2962	2953	15.51
22	A	1634	1629	28.48
23	A	1417	1412	2.48
24	A	1298	1294	0.28
25	A	1274	1270	5.06
26	A	1136	1133	2.71
27	A	1004	1001	14.73
28	A	933	930	2.22
29	A	914	912	34.68
30	A	878	875	9.56
31	A	599	597	11.44
32	A	445	443	3.18
33	A	104	104	0.01

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.665
C2	0.000	1.260	-0.177
C3	0.000	-1.260	-0.177
C4	0.963	2.186	-0.178
C5	-0.963	-2.186	-0.178
H6	-0.886	-0.009	1.319
H7	0.886	0.009	1.319
H8	-0.864	1.384	-0.834
H9	0.864	-1.384	-0.834
H10	0.906	3.069	-0.811
H11	-0.906	-3.069	-0.811
H12	1.843	2.096	0.459
H13	-1.843	-2.096	0.459

	C1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11	H12	H13
C1		1.5155	1.5155	2.5333	2.5333	1.1009	1.1009	2.2159	2.2159	3.5245	3.5245	2.7990	2.7990
C2	1.5155		2.5198	1.3361	3.5780	2.1522	2.1421	1.0924	2.8581	2.1207	4.4682	2.1215	3.8815
C3	1.5155	2.5198		3.5780	1.3361	2.1421	2.1522	2.8581	1.0924	4.4682	2.1207	3.8815	2.1215
C4	2.5333	1.3361	3.5780		4.7775	3.2367	2.6438	2.1000	3.6312	1.0881	5.6136	1.0901	5.1594
C5	2.5333	3.5780	1.3361	4.7775		2.6438	3.2367	3.6312	2.1000	5.6136	1.0881	5.1594	1.0901
H6	1.1009	2.1522	2.1421	3.2367	2.6438		1.7714	2.5647	3.0967	4.1500	3.7292	3.5521	2.4528
H7	1.1009	2.1421	2.1522	2.6438	3.2367	1.7714		3.0967	2.5647	3.7292	4.1500	2.4528	3.5521
H8	2.2159	1.0924	2.8581	2.1000	3.6312	2.5647	3.0967		3.2627	2.4439	4.4536	3.0831	3.8400
H9	2.2159	2.8581	1.0924	3.6312	2.1000	3.0967	2.5647	3.2627		4.4536	2.4439	3.8400	3.0831
H10	3.5245	2.1207	4.4682	1.0881	5.6136	4.1500	3.7292	2.4439	4.4536		6.4005	1.8539	5.9880
H11	3.5245	4.4682	2.1207	5.6136	1.0881	3.7292	4.1500	4.4536	2.4439	6.4005		5.9880	1.8539
H12	2.7990	2.1215	3.8815	1.0901	5.1594	3.5521	2.4528	3.0831	3.8400	1.8539	5.9880		5.5828
H13	2.7990	3.8815	2.1215	5.1594	1.0901	2.4528	3.5521	3.8400	3.0831	5.9880	1.8539	5.5828

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	125.226	C1	C2	H8	115.401
C1	C3	C5	125.226	C1	C3	H9	115.401
C2	C1	C3	112.475	C2	C1	H6	109.667
C2	C1	H7	108.883	C2	C4	H10	121.714
C2	C4	H12	121.625	C3	C1	H6	108.883
C3	C1	H7	109.667	C3	C5	H11	121.714
C3	C5	H13	121.625	C4	C2	H8	119.368
C5	C3	H9	119.368	H6	C1	H7	107.123
H10	C4	H12	116.660	H11	C5	H13	116.660

All results from a given calculation for C₅H₈ (1,4-Pentadiene)

using model chemistry: BLYP/cc-pVTZ

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	-0.112
2	C	-0.054
3	C	-0.054
4	C	-0.256
5	C	-0.256
6	H	0.081
7	H	0.081
8	H	0.095
9	H	0.095
10	H	0.099
11	H	0.099
12	H	0.093
13	H	0.093

	x	y	z
x	9.156	3.000	0.000
y	3.000	11.836	0.000
z	0.000	0.000	6.968

<r²>	160.784
(<r²>)^1/2	12.680

All results from a given calculation for C5H8 (1,4-Pentadiene)

using model chemistry: BLYP/cc-pVTZ

States and conformations

All results from a given calculation for C₅H₈ (1,4-Pentadiene)