CCCBDB calculation results Page

State	Conformation	minimum conformation	conformer description	state description
1	1	yes	C1	¹A

Energy calculated at MP2=FULL/cc-pVTZ

	hartrees
Energy at 0K	-290.690838
Energy at 298.15K
HF Energy	-289.326003
Nuclear repulsion energy	335.307536

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 MP2=FULL/cc-pVTZ

Rotational Constants (cm^-1) from geometry optimized at MP2=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units

Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C₁

Cartesians (Å)

Atom	x (Å)	y (Å)	z (Å)
C1	-1.853	-0.055	0.300
C2	-1.208	1.225	-0.201
C3	0.266	1.251	0.166
C4	0.978	0.003	-0.336
N5	0.338	-1.230	0.108
C6	-1.081	-1.260	-0.213
C7	2.430	-0.021	0.081
H8	-2.893	-0.113	-0.013
H9	-1.842	-0.064	1.390
H10	-1.304	1.268	-1.286
H11	-1.719	2.098	0.196
H12	0.747	2.141	-0.234
H13	0.371	1.288	1.252
H14	0.922	-0.002	-1.426
H15	0.448	-1.296	1.115
H16	-1.503	-2.185	0.172
H17	-1.167	-1.299	-1.299
H18	2.919	-0.911	-0.297
H19	2.503	-0.026	1.167
H20	2.955	0.857	-0.283

Atom - Atom Distances (Å)

	C1	C2	C3	C4	N5	C6	C7	H8	H9	H10	H11	H12	H13	H14	H15	H16	H17	H18	H19	H20
C1		1.5188	2.4930	2.9019	2.4937	1.5197	4.2884	1.0878	1.0903	2.1378	2.1599	3.4456	2.7670	3.2679	2.7384	2.1617	2.1389	4.8850	4.4414	4.9286
C2	1.5188		1.5193	2.5078	2.9180	2.4883	3.8553	2.1603	2.1441	1.0905	1.0866	2.1595	2.1469	2.7460	3.2909	3.4426	2.7530	4.6482	4.1482	4.1802
C3	2.4930	1.5193		1.5220	2.4830	2.8749	2.5111	3.4459	2.7699	2.1390	2.1585	1.0884	1.0917	2.1296	2.7239	3.8642	3.2717	3.4539	2.7634	2.7547
C4	2.9019	2.5078	1.5220		1.4584	2.4188	1.5108	3.8861	3.3067	2.7767	3.4561	2.1533	2.1309	1.0916	2.0180	3.3461	2.6875	2.1462	2.1415	2.1547
N5	2.4937	2.9180	2.4830	1.4584		1.4558	2.4163	3.4211	2.7848	3.2990	3.9137	3.4136	2.7657	2.0500	1.0149	2.0746	2.0617	2.6320	2.6938	3.3703
C6	1.5197	2.4883	2.8749	2.4188	1.4558		3.7351	2.1534	2.1393	2.7557	3.4423	3.8619	3.2781	2.6582	2.0258	1.0863	1.0904	4.0167	4.0340	4.5587
C7	4.2884	3.8553	2.5111	1.5108	2.4163	3.7351		5.3245	4.4679	4.1797	4.6598	2.7576	2.7057	2.1323	2.5732	4.4895	4.0590	1.0845	1.0885	1.0858
H8	1.0878	2.1603	3.4459	3.8861	3.4211	2.1534	5.3245		1.7541	2.4609	2.5123	4.2878	3.7708	4.0694	3.7197	2.5015	2.4576	5.8737	5.5243	5.9345
H9	1.0903	2.1441	2.7699	3.3067	2.7848	2.1393	4.4679	1.7541		3.0381	2.4734	3.7694	2.5970	3.9460	2.6146	2.4686	3.0351	5.1217	4.3506	5.1634
H10	2.1378	1.0905	2.1390	2.7767	3.2990	2.7557	4.1797	2.4609	3.0381		1.7489	2.4652	3.0416	2.5660	3.9256	3.7533	2.5710	4.8540	4.7102	4.3950
H11	2.1599	1.0866	2.1585	3.4561	3.9137	3.4423	4.6598	2.5123	2.4734	1.7489		2.5039	2.4782	3.7434	4.1303	4.2880	3.7524	5.5508	4.8249	4.8599
H12	3.4456	2.1595	1.0884	2.1533	3.4136	3.8619	2.7576	4.2878	3.7694	2.4652	2.5039		1.7549	2.4588	3.7046	4.8930	4.0788	3.7470	3.1215	2.5549
H13	2.7670	2.1469	1.0917	2.1309	2.7657	3.2781	2.7057	3.7708	2.5970	3.0416	2.4782	1.7549		3.0232	2.5881	4.0908	3.9454	3.7053	2.5055	3.0365
H14	3.2679	2.7460	2.1296	1.0916	2.0500	2.6582	2.1323	4.0694	3.9460	2.5660	3.7434	2.4588	3.0232		2.8904	3.6322	2.4617	2.4681	3.0374	2.4862
H15	2.7384	3.2909	2.7239	2.0180	1.0149	2.0258	2.5732	3.7197	2.6146	3.9256	4.1303	3.7046	2.5881	2.8904		2.3423	2.9046	2.8719	2.4158	3.5880
H16	2.1617	3.4426	3.8642	3.3461	2.0746	1.0863	4.4895	2.5015	2.4686	3.7533	4.2880	4.8930	4.0908	3.6322	2.3423		1.7493	4.6255	4.6577	5.4159
H17	2.1389	2.7530	3.2717	2.6875	2.0617	1.0904	4.0590	2.4576	3.0351	2.5710	3.7524	4.0788	3.9454	2.4617	2.9046	1.7493		4.2249	4.6011	4.7618
H18	4.8850	4.6482	3.4539	2.1462	2.6320	4.0167	1.0845	5.8737	5.1217	4.8540	5.5508	3.7470	3.7053	2.4681	2.8719	4.6255	4.2249		1.7610	1.7687
H19	4.4414	4.1482	2.7634	2.1415	2.6938	4.0340	1.0885	5.5243	4.3506	4.7102	4.8249	3.1215	2.5055	3.0374	2.4158	4.6577	4.6011	1.7610		1.7571
H20	4.9286	4.1802	2.7547	2.1547	3.3703	4.5587	1.0858	5.9345	5.1634	4.3950	4.8599	2.5549	3.0365	2.4862	3.5880	5.4159	4.7618	1.7687	1.7571

picture of 2-Methylpiperidine state 1 conformation 1

More geometry information
Calculated Bond Angles

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	110.287	C1	C2	H10	108.924
C1	C2	H11	110.906	C1	C6	N5	113.861
C1	C6	H16	110.998	C1	C6	H17	108.953
C2	C1	C6	109.959	C2	C1	H8	110.863
C2	C1	H9	109.434	C2	C3	C4	111.093
C2	C3	H12	110.731	C2	C3	H13	109.534
C3	C2	H10	108.985	C3	C2	H11	110.752
C3	C4	N5	112.821	C3	C4	C7	111.782
C3	C4	H14	108.005	C4	C3	H12	110.050
C4	C3	H13	108.101	C4	N5	C6	112.199
C4	N5	H15	108.009	C4	C7	H18	110.500
C4	C7	H19	109.878	C4	C7	H20	111.105
N5	C4	C7	108.919	N5	C4	H14	106.118
N5	C6	H16	108.521	N5	C6	H17	107.265
C6	C1	H8	110.248	C6	C1	H9	108.992
C6	N5	H15	108.850	C7	C4	H14	108.976
H8	C1	H9	107.284	H10	C2	H11	106.891
H12	C3	H13	107.216	H16	C6	H17	106.955
H18	C7	H19	108.275	H18	C7	H20	109.173
H19	C7	H20	107.824

Electronic energy levels

Charges, Dipole, Quadrupole and Polarizability

All results from a given calculation for C₆H₁₃N (2-Methylpiperidine)

using model chemistry: MP2=FULL/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

All results from a given calculation for C6H13N (2-Methylpiperidine)

using model chemistry: MP2=FULL/cc-pVTZ

States and conformations

All results from a given calculation for C₆H₁₃N (2-Methylpiperidine)