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	-195.179802
Energy at 298.15K	-195.187322
Nuclear repulsion energy	155.598489

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3270	3104	16.80
2	A	3191	3029	3.80
3	A	3179	3018	6.49
4	A	3058	2903	21.98
5	A	1760	1671	0.67
6	A	1500	1423	6.69
7	A	1467	1393	0.00
8	A	1332	1265	0.03
9	A	1276	1212	0.09
10	A	1098	1042	1.58
11	A	1042	989	9.51
12	A	950	902	39.10
13	A	925	878	4.61
14	A	686	651	8.95
15	A	372	353	0.49
16	A	297	282	0.11
17	A	90	86	0.01
18	A	3270	3104	20.72
19	A	3190	3028	10.51
20	A	3179	3018	27.45
21	A	3104	2947	15.19
22	A	1747	1658	18.93
23	A	1473	1398	3.28
24	A	1345	1277	0.07
25	A	1312	1246	5.65
26	A	1185	1125	3.59
27	A	1044	991	13.66
28	A	986	936	2.72
29	A	949	901	37.35
30	A	902	856	9.04
31	A	617	586	11.01
32	A	453	430	2.87
33	A	104	99	0.02

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.661
C2	0.000	1.245	-0.179
C3	0.000	-1.245	-0.179
C4	0.960	2.164	-0.174
C5	-0.960	-2.164	-0.174
H6	-0.882	-0.010	1.313
H7	0.882	0.010	1.313
H8	-0.855	1.366	-0.840
H9	0.855	-1.366	-0.840
H10	0.912	3.043	-0.808
H11	-0.912	-3.043	-0.808
H12	1.830	2.073	0.469
H13	-1.830	-2.073	0.469

	C1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11	H12	H13
C1		1.5017	1.5017	2.5102	2.5102	1.0964	1.0964	2.2025	2.2025	3.4998	3.4998	2.7720	2.7720
C2	1.5017		2.4897	1.3286	3.5411	2.1391	2.1277	1.0881	2.8255	2.1119	4.4284	2.1106	3.8440
C3	1.5017	2.4897		3.5411	1.3286	2.1277	2.1391	2.8255	1.0881	4.4284	2.1119	3.8440	2.1106
C4	2.5102	1.3286	3.5411		4.7340	3.2134	2.6187	2.0916	3.5931	1.0844	5.5688	1.0862	5.1133
C5	2.5102	3.5411	1.3286	4.7340		2.6187	3.2134	3.5931	2.0916	5.5688	1.0844	5.1133	1.0862
H6	1.0964	2.1391	2.1277	3.2134	2.6187		1.7637	2.5549	3.0808	4.1270	3.7009	3.5221	2.4226
H7	1.0964	2.1277	2.1391	2.6187	3.2134	1.7637		3.0808	2.5549	3.7009	4.1270	2.4226	3.5221
H8	2.2025	1.0881	2.8255	2.0916	3.5931	2.5549	3.0808		3.2227	2.4368	4.4088	3.0702	3.8061
H9	2.2025	2.8255	1.0881	3.5931	2.0916	3.0808	2.5549	3.2227		4.4088	2.4368	3.8061	3.0702
H10	3.4998	2.1119	4.4284	1.0844	5.5688	4.1270	3.7009	2.4368	4.4088		6.3530	1.8474	5.9430
H11	3.4998	4.4284	2.1119	5.5688	1.0844	3.7009	4.1270	4.4088	2.4368	6.3530		5.9430	1.8474
H12	2.7720	2.1106	3.8440	1.0862	5.1133	3.5221	2.4226	3.0702	3.8061	1.8474	5.9430		5.5306
H13	2.7720	3.8440	2.1106	5.1133	1.0862	2.4226	3.5221	3.8061	3.0702	5.9430	1.8474	5.5306

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	124.861	C1	C2	H8	115.596
C1	C3	C5	124.861	C1	C3	H9	115.596
C2	C1	C3	111.982	C2	C1	H6	109.858
C2	C1	H7	108.965	C2	C4	H10	121.811
C2	C4	H12	121.531	C3	C1	H6	108.965
C3	C1	H7	109.858	C3	C5	H11	121.811
C3	C5	H13	121.531	C4	C2	H8	119.536
C5	C3	H9	119.536	H6	C1	H7	107.090
H10	C4	H12	116.658	H11	C5	H13	116.658

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

using model chemistry: B1B95/6-31G*

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	-0.399
2	C	-0.072
3	C	-0.072
4	C	-0.370
5	C	-0.370
6	H	0.172
7	H	0.172
8	H	0.158
9	H	0.158
10	H	0.159
11	H	0.159
12	H	0.153
13	H	0.153

	x	y	z
x	7.824	3.066	0.000
y	3.066	9.876	0.000
z	0.000	0.000	5.380

<r²>	157.427
(<r²>)^1/2	12.547

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

using model chemistry: B1B95/6-31G*

States and conformations

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