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	-234.303177
Energy at 298.15K
HF Energy	-234.046770
Nuclear repulsion energy	206.780412

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3173	3012	0.00
2	A	3165	3004	11.18
3	A	3100	2942	0.00
4	A	3089	2932	27.71
5	A	3067	2911	30.45
6	A	2336	2217	0.01
7	A	1556	1477	1.27
8	A	1545	1467	0.00
9	A	1532	1454	2.56
10	A	1455	1381	2.09
11	A	1389	1318	0.00
12	A	1316	1249	0.00
13	A	1122	1065	0.00
14	A	1116	1059	0.85
15	A	1012	960	0.03
16	A	800	760	0.00
17	A	702	667	0.14
18	A	428	406	5.67
19	A	367	348	0.00
20	A	227	216	0.00
21	A	89	84	1.30
22	A	14i	13i	0.00
23	B	3173	3012	58.07
24	B	3164	3003	58.91
25	B	3100	2942	26.26
26	B	3088	2931	29.52
27	B	3067	2911	31.08
28	B	1556	1477	1.71
29	B	1546	1467	10.62
30	B	1530	1452	2.40
31	B	1454	1380	0.01
32	B	1388	1318	49.82
33	B	1320	1253	0.14
34	B	1184	1124	0.35
35	B	1143	1085	0.48
36	B	1100	1044	4.82
37	B	944	896	0.17
38	B	805	764	3.68
39	B	535	508	0.76
40	B	295	280	3.25
41	B	203	193	0.13
42	B	157	149	3.64

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.608	-0.574
C2	-0.000	-0.608	-0.574
C3	0.000	2.073	-0.551
C4	-0.000	-2.073	-0.551
C5	-0.000	2.647	0.874
C6	0.000	-2.647	0.874
H7	0.876	2.446	-1.095
H8	-0.876	2.446	-1.095
H9	-0.876	-2.446	-1.095
H10	0.876	-2.446	-1.095
H11	-0.000	3.740	0.847
H12	-0.884	2.315	1.424
H13	0.884	2.315	1.424
H14	0.000	-3.740	0.847
H15	0.884	-2.315	1.424
H16	-0.884	-2.315	1.424

	C1	C2	C3	C4	C5	C6	H7	H8	H9	H10	H11	H12	H13	H14	H15	H16
C1		1.2152	1.4660	2.6811	2.5009	3.5618	2.1023	2.1023	3.2195	3.2195	3.4395	2.7730	2.7730	4.5738	3.6491	3.6492
C2	1.2152		2.6811	1.4660	3.5618	2.5009	3.2195	3.2195	2.1023	2.1023	4.5738	3.6491	3.6492	3.4395	2.7730	2.7730
C3	1.4660	2.6811		4.1468	1.5362	4.9305	1.0964	1.0964	4.6359	4.6359	2.1752	2.1775	2.1775	5.9790	4.8930	4.8931
C4	2.6811	1.4660	4.1468		4.9305	1.5362	4.6359	4.6359	1.0964	1.0964	5.9790	4.8930	4.8931	2.1752	2.1775	2.1775
C5	2.5009	3.5618	1.5362	4.9305		5.2931	2.1644	2.1644	5.5300	5.5302	1.0937	1.0925	1.0925	6.3865	5.0698	5.0696
C6	3.5618	2.5009	4.9305	1.5362	5.2931		5.5300	5.5302	2.1644	2.1644	6.3865	5.0698	5.0696	1.0937	1.0925	1.0925
H7	2.1023	3.2195	1.0964	4.6359	2.1644	5.5300		1.7520	5.1970	4.8927	2.4922	3.0757	2.5224	6.5426	5.3865	5.6669
H8	2.1023	3.2195	1.0964	4.6359	2.1644	5.5302	1.7520		4.8927	5.1968	2.4922	2.5225	3.0757	6.5428	5.6670	5.3870
H9	3.2195	2.1023	4.6359	1.0964	5.5300	2.1644	5.1970	4.8927		1.7520	6.5426	5.3865	5.6669	2.4922	3.0757	2.5224
H10	3.2195	2.1023	4.6359	1.0964	5.5302	2.1644	4.8927	5.1968	1.7520		6.5428	5.6670	5.3870	2.4922	2.5225	3.0757
H11	3.4395	4.5738	2.1752	5.9790	1.0937	6.3865	2.4922	2.4922	6.5426	6.5428		1.7732	1.7732	7.4797	6.1464	6.1463
H12	2.7730	3.6491	2.1775	4.8930	1.0925	5.0698	3.0757	2.5225	5.3865	5.6670	1.7732		1.7678	6.1464	4.9565	4.6302
H13	2.7730	3.6492	2.1775	4.8931	1.0925	5.0696	2.5224	3.0757	5.6669	5.3870	1.7732	1.7678		6.1463	4.6302	4.9560
H14	4.5738	3.4395	5.9790	2.1752	6.3865	1.0937	6.5426	6.5428	2.4922	2.4922	7.4797	6.1464	6.1463		1.7732	1.7732
H15	3.6491	2.7730	4.8930	2.1775	5.0698	1.0925	5.3865	5.6670	3.0757	2.5225	6.1464	4.9565	4.6302	1.7732		1.7678
H16	3.6492	2.7730	4.8931	2.1775	5.0696	1.0925	5.6669	5.3870	2.5224	3.0757	6.1463	4.6302	4.9560	1.7732	1.7678

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	179.105	C1	C3	C5	112.801
C1	C3	H7	109.411	C1	C3	H8	109.411
C2	C1	C3	179.105	C2	C4	C6	112.801
C2	C4	H9	109.411	C2	C4	H10	109.411
C3	C5	H11	110.479	C3	C5	H12	110.724
C3	C5	H13	110.724	C4	C6	H14	110.479
C4	C6	H15	110.724	C4	C6	H16	110.724
C5	C3	H7	109.465	C5	C3	H8	109.466
C6	C4	H9	109.465	C6	C4	H10	109.466
H7	C3	H8	106.064	H9	C4	H10	106.064
H11	C5	H12	108.409	H11	C5	H13	108.409
H12	C5	H13	108.008	H14	C6	H15	108.409
H14	C6	H16	108.409	H15	C6	H15	0.000

All results from a given calculation for C₆H₁₀ (3-Hexyne)

using model chemistry: B2PLYP/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	0.011
2	C	0.011
3	C	-0.379
4	C	-0.379
5	C	-0.450
6	C	-0.450
7	H	0.172
8	H	0.172
9	H	0.172
10	H	0.172
11	H	0.151
12	H	0.161
13	H	0.161
14	H	0.151
15	H	0.161
16	H	0.161

<r²>	273.568
(<r²>)^1/2	16.540

All results from a given calculation for C6H10 (3-Hexyne)

using model chemistry: B2PLYP/6-31G*

States and conformations

All results from a given calculation for C₆H₁₀ (3-Hexyne)