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	-308.442132
Energy at 298.15K	-308.446924
HF Energy	-308.442132
Nuclear repulsion energy	298.866048

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3505	3383	81.05
2	A₁	3205	3092	5.22
3	A₁	3191	3080	21.55
4	A₁	3170	3059	0.30
5	A₁	2208	2131	2.34
6	A₁	1636	1578	1.74
7	A₁	1518	1465	13.93
8	A₁	1221	1178	1.56
9	A₁	1196	1155	0.08
10	A₁	1046	1010	2.47
11	A₁	1006	971	0.05
12	A₁	767	740	2.47
13	A₁	463	447	0.36
14	A₂	964	931	0.00
15	A₂	863	833	0.00
16	A₂	405	391	0.00
17	B₁	995	960	0.19
18	B₁	935	902	3.44
19	B₁	779	752	42.41
20	B₁	706	682	17.96
21	B₁	594	574	26.42
22	B₁	540	521	15.40
23	B₁	363	350	1.31
24	B₁	140	135	1.09
25	B₂	3200	3088	24.45
26	B₂	3180	3069	6.44
27	B₂	1606	1550	1.22
28	B₂	1469	1417	4.59
29	B₂	1351	1304	0.30
30	B₂	1322	1276	0.00
31	B₂	1179	1138	0.00
32	B₂	1097	1058	3.64
33	B₂	641	619	40.56
34	B₂	622	600	0.02
35	B₂	520	502	0.95
36	B₂	150	145	0.72

Atom	y (Å)	z (Å)
C1	0.000	0.594
C2	0.000	2.020
C3	1.212	-0.119
C4	-1.212	-0.119
C5	1.207	-1.510
C6	-1.207	-1.510
C7	0.000	-2.210
C8	0.000	3.227
H9	0.000	4.290
H10	2.147	0.430
H11	-2.147	0.430
H12	2.149	-2.049
H13	-2.149	-2.049
H14	0.000	-3.295

	C1	C2	C3	C4	C5	C6	C7	C8	H9	H10	H11	H12	H13	H14
C1		1.4256	1.4058	1.4058	2.4254	2.4254	2.8035	2.6332	3.6957	2.1533	2.1533	3.4065	3.4065	3.8888
C2	1.4256		2.4578	2.4578	3.7300	3.7300	4.2292	1.2076	2.2701	2.6716	2.6716	4.6014	4.6014	5.3145
C3	1.4058	2.4578		2.4233	1.3909	2.7901	2.4165	3.5586	4.5720	1.0844	3.4032	2.1459	3.8755	3.3993
C4	1.4058	2.4578	2.4233		2.7901	1.3909	2.4165	3.5586	4.5720	3.4032	1.0844	3.8755	2.1459	3.3993
C5	2.4254	3.7300	1.3909	2.7901		2.4141	1.3952	4.8883	5.9237	2.1554	3.8745	1.0854	3.3990	2.1549
C6	2.4254	3.7300	2.7901	1.3909	2.4141		1.3952	4.8883	5.9237	3.8745	2.1554	3.3990	1.0854	2.1549
C7	2.8035	4.2292	2.4165	2.4165	1.3952	1.3952		5.4368	6.4993	3.4024	3.4024	2.1548	2.1548	1.0853
C8	2.6332	1.2076	3.5586	3.5586	4.8883	4.8883	5.4368		1.0625	3.5264	3.5264	5.6972	5.6972	6.5221
H9	3.6957	2.2701	4.5720	4.5720	5.9237	5.9237	6.4993	1.0625		4.4168	4.4168	6.6932	6.6932	7.5845
H10	2.1533	2.6716	1.0844	3.4032	2.1554	3.8745	3.4024	3.5264	4.4168		4.2941	2.4790	4.9599	4.2992
H11	2.1533	2.6716	3.4032	1.0844	3.8745	2.1554	3.4024	3.5264	4.4168	4.2941		4.9599	2.4790	4.2992
H12	3.4065	4.6014	2.1459	3.8755	1.0854	3.3990	2.1548	5.6972	6.6932	2.4790	4.9599		4.2977	2.4838
H13	3.4065	4.6014	3.8755	2.1459	3.3990	1.0854	2.1548	5.6972	6.6932	4.9599	2.4790	4.2977		2.4838
H14	3.8888	5.3145	3.3993	3.3993	2.1549	2.1549	1.0853	6.5221	7.5845	4.2992	4.2992	2.4838	2.4838

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C8	180.000	C1	C3	C5	120.277
C1	C3	H10	119.141	C1	C4	C6	120.277
C1	C4	H11	119.141	C2	C1	C3	120.467
C2	C1	C4	120.467	C2	C8	H9	180.000
C3	C1	C4	119.067	C3	C5	C7	120.294
C3	C5	H12	119.614	C4	C6	C7	120.294
C4	C6	H13	119.614	C5	C3	H10	120.582
C5	C7	C6	119.791	C5	C7	H14	120.104
C6	C4	H11	120.582	C6	C7	H14	120.104
C7	C5	H12	120.092	C7	C6	H13	120.092

All results from a given calculation for C₆H₅CCH (phenylacetylene)

using model chemistry: TPSSh/6-31G(2df,p)

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 C6H5CCH (phenylacetylene)

using model chemistry: TPSSh/6-31G(2df,p)

States and conformations

All results from a given calculation for C₆H₅CCH (phenylacetylene)