CCCBDB calculation results Page

State	Conformation	minimum conformation	conformer description	state description
1	1	yes	CI	¹A_G

Energy calculated at HF/6-31G**

	hartrees
Energy at 0K	-234.198776
Energy at 298.15K
Nuclear repulsion energy

The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.

Vibrational Frequencies calculated at HF/6-31G**

Rotational Constants (cm^-1) from geometry optimized at HF/6-31G**
See section I.F.4 to change rotational constant units

Geometric Data calculated at HF/6-31G**

Point Group is C_i

Cartesians (Å)

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-0.660
C2	0.000	0.000	0.660
C3	1.227	0.000	-1.531
C4	-1.227	0.000	1.531
C5	1.305	-1.232	-2.439
C6	-1.305	1.232	2.439
H7	-0.947	-0.010	-1.182
H8	0.947	0.010	1.182
H9	1.225	0.895	-2.152
H10	2.116	0.055	-0.910
H11	-1.225	-0.895	2.152
H12	-2.116	-0.055	0.910
H13	2.184	-1.193	-3.074
H14	1.353	-2.143	-1.850
H15	0.433	-1.299	-3.083
H16	-2.184	1.193	3.074
H17	-1.353	2.143	1.850
H18	-0.433	1.299	3.083

Atom - Atom Distances (Å)

	C1	C2	C3	C4	C5	C6	H7	H8	H9	H10	H11	H12	H13	H14	H15	H16	H17	H18
C1		1.3196	1.5051	2.5114	2.5268	3.5807	1.0817	2.0712	2.1282	2.1319	3.1953	2.6357	3.4675	2.8000	2.7836	4.4875	3.5670	3.9858
C2	1.3196		2.5114	1.5051	3.5807	2.5268	2.0712	1.0817	3.1953	2.6357	2.1282	2.1319	4.4875	3.5670	3.9858	3.4675	2.8000	2.7836
C3	1.5051	2.5114		3.9247	1.5320	4.8673	2.2020	2.7281	1.0890	1.0864	4.5149	4.1404	2.1724	2.1702	2.1740	5.8543	4.7628	5.0734
C4	2.5114	1.5051	3.9247		4.8673	1.5320	2.7281	2.2020	4.5149	4.1404	1.0890	1.0864	5.8543	4.7628	5.0734	2.1724	2.1702	2.1740
C5	2.5268	3.5807	1.5320	4.8673		6.0557	2.8539	3.8445	2.1472	2.1565	5.2530	4.9302	1.0858	1.0855	1.0865	6.9604	6.0704	6.3182
C6	3.5807	2.5268	4.8673	1.5320	6.0557		3.8445	2.8539	5.2530	4.9302	2.1472	2.1565	6.9604	6.0704	6.3182	1.0858	1.0855	1.0865
H7	1.0817	2.0712	2.2020	2.7281	2.8539	3.8445		3.0296	2.5451	3.0763	3.4612	2.3973	3.8452	3.2073	2.6799	4.5928	3.7410	4.4913
H8	2.0712	1.0817	2.7281	2.2020	3.8445	2.8539	3.0296		3.4612	2.3973	2.5451	3.0763	4.5928	3.7410	4.4913	3.8452	3.2073	2.6799
H9	2.1282	3.1953	1.0890	4.5149	2.1472	5.2530	2.5451	3.4612		1.7445	5.2666	4.6311	2.4751	3.0551	2.5112	6.2476	4.9221	5.5070
H10	2.1319	2.6357	1.0864	4.1404	2.1565	4.9302	3.0763	2.3973	1.7445		4.6311	4.6090	2.4988	2.5093	3.0643	5.9723	4.9007	4.8986
H11	3.1953	2.1282	4.5149	1.0890	5.2530	2.1472	3.4612	2.5451	5.2666	4.6311		1.7445	6.2476	4.9221	5.5070	2.4751	3.0551	2.5112
H12	2.6357	2.1319	4.1404	1.0864	4.9302	2.1565	2.3973	3.0763	4.6311	4.6090	1.7445		5.9723	4.9007	4.8986	2.4988	2.5093	3.0643
H13	3.4675	4.4875	2.1724	5.8543	1.0858	6.9604	3.8452	4.5928	2.4751	2.4988	6.2476	5.9723		1.7586	1.7547	7.9108	6.9203	7.1397
H14	2.8000	3.5670	2.1702	4.7628	1.0855	6.0704	3.2073	3.7410	3.0551	2.5093	4.9221	4.9007	1.7586		1.7545	6.9203	6.2757	6.2752
H15	2.7836	3.9858	2.1740	5.0734	1.0865	6.3182	2.6799	4.4913	2.5112	3.0643	5.5070	4.8986	1.7547	1.7545		7.1397	6.2752	6.7475
H16	4.4875	3.4675	5.8543	2.1724	6.9604	1.0858	4.5928	3.8452	6.2476	5.9723	2.4751	2.4988	7.9108	6.9203	7.1397		1.7586	1.7547
H17	3.5670	2.8000	4.7628	2.1702	6.0704	1.0855	3.7410	3.2073	4.9221	4.9007	3.0551	2.5093	6.9203	6.2757	6.2752	1.7586		1.7545
H18	3.9858	2.7836	5.0734	2.1740	6.3182	1.0865	4.4913	2.6799	5.5070	4.8986	2.5112	3.0643	7.1397	6.2752	6.7475	1.7547	1.7545

picture of (E)-hex-3-ene state 1 conformation 1

More geometry information
Calculated Bond Angles

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	125.391	C1	C2	H8	118.877
C1	C3	C5	112.609	C1	C3	H9	109.203
C1	C3	H10	109.648	C2	C1	C3	125.391
C2	C1	H7	118.877	C2	C4	C6	112.609
C2	C4	H11	109.203	C2	C4	H12	109.648
C3	C1	H7	115.729	C3	C5	H13	111.020
C3	C5	H14	110.868	C3	C5	H15	111.114
C4	C2	H8	115.729	C4	C6	H16	111.020
C4	C6	H17	110.868	C4	C6	H18	111.114
C5	C3	H9	108.844	C5	C3	H10	109.723
C6	C4	H11	108.844	C6	C4	H12	109.723
H9	C3	H10	106.629	H11	C4	H12	106.629
H13	C5	H14	108.178	H13	C5	H15	107.754
H14	C5	H15	107.766	H16	C6	H17	108.178
H16	C6	H18	107.754	H17	C6	H18	107.766

Electronic energy levels

Charges, Dipole, Quadrupole and Polarizability

All results from a given calculation for C₆H₁₂ ((E)-hex-3-ene)

using model chemistry: HF/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

All results from a given calculation for C6H12 ((E)-hex-3-ene)

using model chemistry: HF/6-31G**

States and conformations

All results from a given calculation for C₆H₁₂ ((E)-hex-3-ene)