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	-195.212840
Energy at 298.15K	-195.221923
HF Energy	-195.212840
Nuclear repulsion energy	175.808782

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3134	3093	33.85
2	A'	3115	3074	9.52
3	A'	3050	3011	57.31
4	A'	3032	2992	30.55
5	A'	2983	2944	80.66
6	A'	1477	1458	1.12
7	A'	1455	1436	1.86
8	A'	1335	1318	1.38
9	A'	1207	1191	1.59
10	A'	1191	1176	0.00
11	A'	1109	1095	0.69
12	A'	1009	996	0.09
13	A'	961	949	2.98
14	A'	918	906	6.90
15	A'	887	875	1.03
16	A'	769	759	0.33
17	A'	765	756	7.79
18	A'	412	406	0.43
19	A"	3107	3067	32.91
20	A"	3031	2992	2.01
21	A"	2973	2935	60.56
22	A"	1453	1434	0.34
23	A"	1273	1257	5.87
24	A"	1235	1219	1.33
25	A"	1196	1181	0.01
26	A"	1100	1086	0.04
27	A"	1049	1036	2.58
28	A"	1031	1018	0.80
29	A"	976	963	4.98
30	A"	915	903	0.06
31	A"	784	774	13.15
32	A"	670	661	0.13
33	A"	264	260	0.35

Atom	x (Å)	y (Å)	z (Å)
C1	-0.245	-0.538	0.765
C2	-0.245	-0.538	-0.765
C3	-0.245	0.995	0.784
C4	-0.245	0.995	-0.784
C5	0.941	-1.049	0.000
H6	-0.801	-1.176	1.446
H7	-0.801	-1.176	-1.446
H8	0.612	1.466	1.280
H9	0.612	1.466	-1.280
H10	-1.165	1.420	1.193
H11	-1.165	1.420	-1.193
H12	1.876	-0.489	0.000
H13	1.067	-2.128	0.000

	C1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11	H12	H13
C1		1.5304	1.5335	2.1795	1.5011	1.0855	2.3671	2.2395	2.9891	2.2056	2.9182	2.2556	2.1987
C2	1.5304		2.1795	1.5335	1.5011	2.3671	1.0855	2.9891	2.2395	2.9182	2.2056	2.2556	2.1987
C3	1.5335	2.1795		1.5670	2.4900	2.3369	3.1610	1.0966	2.2837	1.0929	2.2211	2.7050	3.4771
C4	2.1795	1.5335	1.5670		2.4900	3.1610	2.3369	2.2837	1.0966	2.2211	1.0929	2.7050	3.4771
C5	1.5011	1.5011	2.4900	2.4900		2.2670	2.2670	2.8413	2.8413	3.4578	3.4578	1.0902	1.0863
H6	1.0855	2.3671	2.3369	3.1610	2.2670		2.8910	3.0002	4.0503	2.6338	3.7194	3.1189	2.5462
H7	2.3671	1.0855	3.1610	2.3369	2.2670	2.8910		4.0503	3.0002	3.7194	2.6338	3.1189	2.5462
H8	2.2395	2.9891	1.0966	2.2837	2.8413	3.0002	4.0503		2.5608	1.7796	3.0457	2.6569	3.8423
H9	2.9891	2.2395	2.2837	1.0966	2.8413	4.0503	3.0002	2.5608		3.0457	1.7796	2.6569	3.8423
H10	2.2056	2.9182	1.0929	2.2211	3.4578	2.6338	3.7194	1.7796	3.0457		2.3858	3.7838	4.3583
H11	2.9182	2.2056	2.2211	1.0929	3.4578	3.7194	2.6338	3.0457	1.7796	2.3858		3.7838	4.3583
H12	2.2556	2.2556	2.7050	2.7050	1.0902	3.1189	3.1189	2.6569	2.6569	3.7838	3.7838		1.8283
H13	2.1987	2.1987	3.4771	3.4771	1.0863	2.5462	2.5462	3.8423	3.8423	4.3583	4.3583	1.8283

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C4	90.745	C1	C2	C5	59.409
C1	C2	H7	128.939	C1	C3	C4	89.255
C1	C3	H8	115.755	C1	C3	H10	113.196
C1	C5	C2	61.183	C1	C5	H12	120.249
C1	C5	H13	115.495	C2	C1	C3	90.745
C2	C1	C5	59.409	C2	C1	H6	128.939
C2	C4	C3	89.255	C2	C4	H9	115.755
C2	C4	H11	113.196	C2	C5	H12	120.249
C2	C5	H13	115.495	C3	C1	C5	110.327
C3	C1	H6	125.367	C3	C4	H9	117.006
C3	C4	H11	112.014	C4	C2	C5	110.327
C4	C2	H7	125.367	C4	C3	H8	117.006
C4	C3	H10	112.014	C5	C1	H6	121.545
C5	C2	H7	121.545	H8	C3	H10	108.682
H9	C4	H11	108.682	H12	C5	H13	114.180

All results from a given calculation for C₅H₈ (Bicyclo[2.1.0]pentane)

using model chemistry: B97D3/6-311+G(3df,2p)

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	0.009
2	C	0.009
3	C	-0.304
4	C	-0.304
5	C	-0.283
6	H	0.092
7	H	0.092
8	H	0.120
9	H	0.120
10	H	0.111
11	H	0.111
12	H	0.119
13	H	0.109

	x	y	z	Total
	-0.256	-0.080	0.000	0.269
CHELPG
AIM
ESP

	x	y	z
x	8.081	-0.452	0.000
y	-0.452	8.990	0.000
z	0.000	0.000	8.557

<r²>	98.598
(<r²>)^1/2	9.930

All results from a given calculation for C5H8 (Bicyclo[2.1.0]pentane)

using model chemistry: B97D3/6-311+G(3df,2p)

States and conformations

All results from a given calculation for C₅H₈ (Bicyclo[2.1.0]pentane)