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	-306.445238
Energy at 298.15K	-306.450730
Nuclear repulsion energy	300.828412

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3625	3293	90.89
2	A	3359	3051	6.24
3	A	3344	3038	24.40
4	A	3322	3018	0.18
5	A	2382	2164	4.89
6	A	1791	1627	1.71
7	A	1647	1496	23.30
8	A	1296	1177	1.36
9	A	1285	1167	0.06
10	A	1118	1016	3.04
11	A	1083	984	0.01
12	A	819	744	4.03
13	A	500	455	0.19
14	A	1101	1001	0.00
15	A	951	864	0.00
16	A	449	408	0.00
17	A	1118	1016	0.04
18	A	1045	949	4.72
19	A	853	775	57.76
20	A	793	720	47.12
21	A	765	695	40.85
22	A	605	549	2.75
23	A	407	370	5.39
24	A	156	142	2.33
25	A	3354	3047	25.76
26	A	3334	3029	6.00
27	A	1758	1598	1.45
28	A	1591	1446	8.12
29	A	1454	1321	0.21
30	A	1318	1198	1.03
31	A	1198	1089	4.35
32	A	1168	1062	1.13
33	A	832	756	39.95
34	A	681	619	0.54
35	A	586	532	8.06
36	A	178	162	1.59

Atom	y (Å)	z (Å)
C1	0.000	0.582
C2	0.000	2.023
C3	1.202	-0.120
C4	-1.202	-0.120
C5	1.199	-1.502
C6	-1.199	-1.502
C7	0.000	-2.196
C8	0.000	3.209
H9	0.000	4.264
H10	2.129	0.422
H11	-2.129	0.422
H12	2.132	-2.037
H13	-2.132	-2.037
H14	0.000	-3.271

	C1	C2	C3	C4	C5	C6	C7	C8	H9	H10	H11	H12	H13	H14
C1		1.4415	1.3915	1.3915	2.4045	2.4045	2.7779	2.6269	3.6819	2.1354	2.1354	3.3768	3.3768	3.8531
C2	1.4415		2.4571	2.4571	3.7240	3.7240	4.2194	1.1854	2.2403	2.6643	2.6643	4.5859	4.5859	5.2947
C3	1.3915	2.4571		2.4034	1.3825	2.7705	2.3990	3.5388	4.5452	1.0744	3.3749	2.1308	3.8456	3.3729
C4	1.3915	2.4571	2.4034		2.7705	1.3825	2.3990	3.5388	4.5452	3.3749	1.0744	3.8456	2.1308	3.3729
C5	2.4045	3.7240	1.3825	2.7705		2.3984	1.3854	4.8612	5.8894	2.1374	3.8449	1.0751	3.3738	2.1372
C6	2.4045	3.7240	2.7705	1.3825	2.3984		1.3854	4.8612	5.8894	3.8449	2.1374	3.3738	1.0751	2.1372
C7	2.7779	4.2194	2.3990	2.3990	1.3854	1.3854		5.4048	6.4598	3.3748	3.3748	2.1379	2.1379	1.0752
C8	2.6269	1.1854	3.5388	3.5388	4.8612	4.8612	5.4048		1.0550	3.5071	3.5071	5.6622	5.6622	6.4800
H9	3.6819	2.2403	4.5452	4.5452	5.8894	5.8894	6.4598	1.0550		4.3923	4.3923	6.6514	6.6514	7.5350
H10	2.1354	2.6643	1.0744	3.3749	2.1374	3.8449	3.3748	3.5071	4.3923		4.2589	2.4589	4.9199	4.2633
H11	2.1354	2.6643	3.3749	1.0744	3.8449	2.1374	3.3748	3.5071	4.3923	4.2589		4.9199	2.4589	4.2633
H12	3.3768	4.5859	2.1308	3.8456	1.0751	3.3738	2.1379	5.6622	6.6514	2.4589	4.9199		4.2639	2.4636
H13	3.3768	4.5859	3.8456	2.1308	3.3738	1.0751	2.1379	5.6622	6.6514	4.9199	2.4589	4.2639		2.4636
H14	3.8531	5.2947	3.3729	3.3729	2.1372	2.1372	1.0752	6.4800	7.5350	4.2633	4.2633	2.4636	2.4636

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C8	180.000	C1	C3	C5	120.174
C1	C3	H10	119.433	C1	C4	C6	120.174
C1	C4	H11	119.433	C2	C1	C3	120.279
C2	C1	C4	120.279	C2	C8	H9	180.000
C3	C1	C4	119.442	C3	C5	C7	120.155
C3	C5	H12	119.710	C4	C6	C7	120.155
C4	C6	H13	119.710	C5	C3	H10	120.392
C5	C7	C6	119.898	C5	C7	H14	120.051
C6	C4	H11	120.392	C6	C7	H14	120.051
C7	C5	H12	120.134	C7	C6	H13	120.134

All results from a given calculation for C₆H₅CCH (phenylacetylene)

using model chemistry: HF/6-311G**

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	-0.185
2	C	0.062
3	C	-0.063
4	C	-0.063
5	C	-0.086
6	C	-0.086
7	C	-0.093
8	C	-0.114
9	H	0.117
10	H	0.102
11	H	0.102
12	H	0.102
13	H	0.102
14	H	0.103

<r²>	262.354
(<r²>)^1/2	16.197

All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: HF/6-311G**

States and conformations

All results from a given calculation for C₆H₅CCH (phenylacetylene)