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	-233.013305
Energy at 298.15K	-233.022720
Nuclear repulsion energy	211.976681

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3110	3082	61.03
2	A'	3099	3071	0.00
3	A'	3086	3058	0.00
4	A'	3082	3054	22.34
5	A'	3070	3042	1.48
6	A'	3064	3036	0.00
7	A'	2966	2939	0.00
8	A'	2966	2939	49.34
9	A'	1655	1640	0.00
10	A'	1624	1609	8.56
11	A'	1507	1493	0.00
12	A'	1503	1489	26.28
13	A'	1457	1444	0.00
14	A'	1419	1406	20.19
15	A'	1411	1398	0.00
16	A'	1381	1369	2.08
17	A'	1303	1291	0.00
18	A'	1272	1260	2.01
19	A'	1160	1149	0.00
20	A'	1079	1069	4.77
21	A'	1005	996	0.00
22	A'	915	906	42.55
23	A'	893	885	0.00
24	A'	640	634	0.00
25	A'	527	523	18.21
26	A'	279	277	0.00
27	A'	192	190	0.26
28	A"	3010	2983	33.95
29	A"	3010	2982	0.00
30	A"	1504	1490	0.00
31	A"	1504	1490	18.93
32	A"	1054	1045	0.00
33	A"	1054	1044	0.18
34	A"	987	978	1.19
35	A"	953	944	0.00
36	A"	786	779	0.00
37	A"	687	681	89.00
38	A"	455	451	0.00
39	A"	302	299	0.00
40	A"	131	129	0.00
41	A"	125	124	0.72
42	A"	67	67	0.81

Atom	x (Å)	y (Å)	z (Å)
H1	-0.938	2.617	0.000
C2	-1.095	1.530	0.000
H3	0.981	1.218	0.000
C4	0.000	0.729	0.000
H5	-0.981	-1.218	0.000
C6	0.000	-0.729	0.000
H7	0.938	-2.617	0.000
C8	1.095	-1.530	0.000
H9	2.651	0.001	0.000
H10	3.066	-1.494	0.890
H11	3.066	-1.494	-0.890
C12	2.542	-1.095	0.000
H13	-2.651	-0.001	0.000
H14	-3.066	1.494	0.890
H15	-3.066	1.494	-0.890
C16	-2.542	1.095	0.000

	H1	C2	H3	C4	H5	C6	H7	C8	H9	H10	H11	C12	H13	H14	H15	C16
H1		1.0976	2.3743	2.1079	3.8350	3.4745	5.5592	4.6186	4.4409	5.8073	5.8073	5.0875	3.1283	2.5655	2.5655	2.2109
C2	1.0976		2.0997	1.3573	2.7509	2.5108	4.6186	3.7640	4.0466	5.2211	5.2211	4.4856	2.1828	2.1627	2.1627	1.5104
H3	2.3743	2.0997		1.0962	3.1280	2.1802	3.8350	2.7509	2.0666	3.5352	3.5352	2.7904	3.8310	4.1531	4.1531	3.5248
C4	2.1079	1.3573	1.0962		2.1802	1.4577	3.4745	2.5108	2.7491	3.8906	3.8906	3.1284	2.7495	3.2832	3.2832	2.5679
H5	3.8350	2.7509	3.1280	2.1802		1.0962	2.3743	2.0997	3.8310	4.1531	4.1531	3.5248	2.0666	3.5352	3.5352	2.7904
C6	3.4745	2.5108	2.1802	1.4577	1.0962		2.1079	1.3573	2.7495	3.2832	3.2832	2.5679	2.7491	3.8906	3.8906	3.1284
H7	5.5592	4.6186	3.8350	3.4745	2.3743	2.1079		1.0976	3.1283	2.5655	2.5655	2.2109	4.4409	5.8073	5.8073	5.0875
C8	4.6186	3.7640	2.7509	2.5108	2.0997	1.3573	1.0976		2.1828	2.1627	2.1627	1.5104	4.0466	5.2211	5.2211	4.4856
H9	4.4409	4.0466	2.0666	2.7491	3.8310	2.7495	3.1283	2.1828		1.7888	1.7888	1.1012	5.3019	5.9757	5.9757	5.3067
H10	5.8073	5.2211	3.5352	3.8906	4.1531	3.2832	2.5655	2.1627	1.7888		1.7796	1.1074	5.9757	6.8221	7.0503	6.2407
H11	5.8073	5.2211	3.5352	3.8906	4.1531	3.2832	2.5655	2.1627	1.7888	1.7796		1.1074	5.9757	7.0503	6.8221	6.2407
C12	5.0875	4.4856	2.7904	3.1284	3.5248	2.5679	2.2109	1.5104	1.1012	1.1074	1.1074		5.3067	6.2407	6.2407	5.5351
H13	3.1283	2.1828	3.8310	2.7495	2.0666	2.7491	4.4409	4.0466	5.3019	5.9757	5.9757	5.3067		1.7888	1.7888	1.1012
H14	2.5655	2.1627	4.1531	3.2832	3.5352	3.8906	5.8073	5.2211	5.9757	6.8221	7.0503	6.2407	1.7888		1.7796	1.1074
H15	2.5655	2.1627	4.1531	3.2832	3.5352	3.8906	5.8073	5.2211	5.9757	7.0503	6.8221	6.2407	1.7888	1.7796		1.1074
C16	2.2109	1.5104	3.5248	2.5679	2.7904	3.1284	5.0875	4.4856	5.3067	6.2407	6.2407	5.5351	1.1012	1.1074	1.1074

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
H1	C2	C4	117.940	H1	C2	C16	115.009
C2	C4	H3	117.297	C2	C4	C6	126.195
C2	C16	H13	112.448	C2	C16	H14	110.465
C2	C16	H15	110.465	H3	C4	C6	116.508
C4	C2	C16	127.052	C4	C6	H5	116.508
C4	C6	C8	126.195	H5	C6	C8	117.297
C6	C8	H7	117.940	C6	C8	C12	127.052
H7	C8	C12	115.009	C8	C12	H9	112.448
C8	C12	H10	110.465	C8	C12	H11	110.465
H9	C12	H10	108.170	H9	C12	H11	108.170
H10	C12	H11	106.925	H13	C16	H14	108.170
H13	C16	H15	108.170	H14	C16	H15	106.925

All results from a given calculation for C₆H₁₀ (2,4-Hexadiene, (Z,Z)-)

using model chemistry: PBEPBE/3-21G

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	H	0.193
2	C	-0.174
3	H	0.192
4	C	-0.210
5	H	0.192
6	C	-0.210
7	H	0.193
8	C	-0.174
9	H	0.215
10	H	0.219
11	H	0.219
12	C	-0.655
13	H	0.215
14	H	0.219
15	H	0.219
16	C	-0.655

	x	y	z
x	13.775	-4.324	0.000
y	-4.324	11.540	0.000
z	0.000	0.000	4.722

<r²>	247.882
(<r²>)^1/2	15.744

All results from a given calculation for C6H10 (2,4-Hexadiene, (Z,Z)-)

using model chemistry: PBEPBE/3-21G

States and conformations

All results from a given calculation for C₆H₁₀ (2,4-Hexadiene, (Z,Z)-)