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	-233.746485
Energy at 298.15K	-233.755901
HF Energy	-232.965379
Nuclear repulsion energy	226.437941

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3520	3320	52.99
2	A₁	3191	3009	52.55
3	A₁	3099	2923	16.50
4	A₁	2153	2031	0.06
5	A₁	1579	1489	8.84
6	A₁	1481	1396	2.50
7	A₁	1324	1249	20.71
8	A₁	934	880	0.95
9	A₁	716	676	0.86
10	A₁	392	370	0.18
11	A₂	3196	3014	0.00
12	A₂	1538	1451	0.00
13	A₂	996	939	0.00
14	A₂	249	235	0.00
15	E	3199	3017	29.28
15	E	3199	3017	29.28
16	E	3186	3005	4.43
16	E	3186	3005	4.43
17	E	3096	2919	17.06
17	E	3096	2919	17.06
18	E	1562	1473	6.70
18	E	1562	1473	6.70
19	E	1548	1460	0.33
19	E	1548	1460	0.33
20	E	1449	1367	7.08
20	E	1449	1367	7.08
21	E	1285	1212	4.31
21	E	1285	1212	4.31
22	E	1088	1026	0.05
22	E	1088	1026	0.05
23	E	978	923	0.78
23	E	978	923	0.78
24	E	577	544	37.59
24	E	577	544	37.59
25	E	530	500	13.68
25	E	530	500	13.68
26	E	369	348	0.23
26	E	369	348	0.23
27	E	304	287	0.00
27	E	304	287	0.00
28	E	171	161	0.15
28	E	171	161	0.15

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	1.172
C2	0.000	0.000	-0.313
C3	0.000	1.450	-0.813
C4	1.256	-0.725	-0.813
C5	-1.256	-0.725	-0.813
C6	0.000	0.000	2.400
H7	0.000	0.000	3.457
H8	0.000	1.457	-1.890
H9	1.262	-0.729	-1.890
H10	-1.262	-0.729	-1.890
H11	-0.876	1.967	-0.451
H12	0.876	1.967	-0.451
H13	2.142	-0.225	-0.451
H14	1.266	-1.742	-0.451
H15	-1.266	-1.742	-0.451
H16	-2.142	-0.225	-0.451

	C1	C2	C3	C4	C5	C6	H7	H8	H9	H10	H11	H12	H13	H14	H15	H16
C1		1.4845	2.4580	2.4580	2.4580	1.2283	2.2850	3.3911	3.3911	3.3911	2.6964	2.6964	2.6964	2.6964	2.6964	2.6964
C2	1.4845		1.5342	1.5342	1.5342	2.7128	3.7695	2.1476	2.1476	2.1476	2.1579	2.1579	2.1579	2.1579	2.1579	2.1579
C3	2.4580	1.5342		2.5123	2.5123	3.5250	4.5090	1.0776	2.7391	2.7391	1.0796	1.0796	2.7431	3.4535	3.4535	2.7431
C4	2.4580	1.5342	2.5123		2.5123	3.5250	4.5090	2.7391	1.0776	2.7391	3.4535	2.7431	1.0796	1.0796	2.7431	3.4535
C5	2.4580	1.5342	2.5123	2.5123		3.5250	4.5090	2.7391	2.7391	1.0776	2.7431	3.4535	3.4535	2.7431	1.0796	1.0796
C6	1.2283	2.7128	3.5250	3.5250	3.5250		1.0566	4.5311	4.5311	4.5311	3.5730	3.5730	3.5730	3.5730	3.5730	3.5730
H7	2.2850	3.7695	4.5090	4.5090	4.5090	1.0566		5.5420	5.5420	5.5420	4.4618	4.4618	4.4618	4.4618	4.4618	4.4618
H8	3.3911	2.1476	1.0776	2.7391	2.7391	4.5311	5.5420		2.5242	2.5242	1.7604	1.7604	3.0803	3.7298	3.7298	3.0803
H9	3.3911	2.1476	2.7391	1.0776	2.7391	4.5311	5.5420	2.5242		2.5242	3.7298	3.0803	1.7604	1.7604	3.0803	3.7298
H10	3.3911	2.1476	2.7391	2.7391	1.0776	4.5311	5.5420	2.5242	2.5242		3.0803	3.7298	3.7298	3.0803	1.7604	1.7604
H11	2.6964	2.1579	1.0796	3.4535	2.7431	3.5730	4.4618	1.7604	3.7298	3.0803		1.7524	3.7300	4.2835	3.7300	2.5311
H12	2.6964	2.1579	1.0796	2.7431	3.4535	3.5730	4.4618	1.7604	3.0803	3.7298	1.7524		2.5311	3.7300	4.2835	3.7300
H13	2.6964	2.1579	2.7431	1.0796	3.4535	3.5730	4.4618	3.0803	1.7604	3.7298	3.7300	2.5311		1.7524	3.7300	4.2835
H14	2.6964	2.1579	3.4535	1.0796	2.7431	3.5730	4.4618	3.7298	1.7604	3.0803	4.2835	3.7300	1.7524		2.5311	3.7300
H15	2.6964	2.1579	3.4535	2.7431	1.0796	3.5730	4.4618	3.7298	3.0803	1.7604	3.7300	4.2835	3.7300	2.5311		1.7524
H16	2.6964	2.1579	2.7431	3.4535	1.0796	3.5730	4.4618	3.0803	3.7298	1.7604	2.5311	3.7300	4.2835	3.7300	1.7524

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	109.015	C1	C2	C4	109.015
C1	C2	C5	109.015	C1	C6	H7	180.000
C2	C1	C6	180.000	C2	C3	H8	109.381
C2	C3	H11	110.082	C2	C3	H12	110.082
C2	C4	H9	109.381	C2	C4	H13	110.082
C2	C4	H14	110.082	C2	C5	H10	109.381
C2	C5	H15	110.082	C2	C5	H16	110.082
C3	C2	C4	109.923	C3	C2	C5	109.923
C4	C2	C5	109.923	H8	C3	H11	109.387
H8	C3	H12	109.387	H9	C4	H13	109.387
H9	C4	H14	109.387	H10	C5	H15	109.387
H10	C5	H16	109.387	H11	C3	H12	108.503
H13	C4	H14	108.503	H15	C5	H16	108.503

All results from a given calculation for C₆H₁₀ (1-Butyne, 3,3-dimethyl-)

using model chemistry: MP2/6-31G*

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 C6H10 (1-Butyne, 3,3-dimethyl-)

using model chemistry: MP2/6-31G*

States and conformations

All results from a given calculation for C₆H₁₀ (1-Butyne, 3,3-dimethyl-)