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	-195.184594
Energy at 298.15K	-195.192598
HF Energy	-195.184594
Nuclear repulsion energy	161.399638

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3158	3133	24.03
2	A'	3152	3128	23.00
3	A'	3076	3052	15.74
4	A'	3074	3050	5.44
5	A'	3064	3040	16.12
6	A'	3045	3021	11.89
7	A'	1659	1646	26.20
8	A'	1473	1461	0.69
9	A'	1439	1428	0.29
10	A'	1327	1317	2.24
11	A'	1291	1281	3.31
12	A'	1206	1197	3.52
13	A'	1180	1170	0.92
14	A'	1023	1015	1.81
15	A'	986	979	3.43
16	A'	930	923	34.16
17	A'	805	799	0.91
18	A'	748	742	0.24
19	A'	434	430	1.29
20	A'	264	262	1.20
21	A"	3137	3113	0.08
22	A"	3061	3038	26.01
23	A"	1445	1434	0.40
24	A"	1171	1162	0.50
25	A"	1098	1089	2.05
26	A"	1035	1027	5.24
27	A"	993	985	5.46
28	A"	874	867	8.39
29	A"	870	864	27.78
30	A"	789	783	8.39
31	A"	657	652	2.72
32	A"	302	300	0.75
33	A"	125	124	0.03

Atom	x (Å)	y (Å)	z (Å)
C1	-0.391	0.284	0.000
C2	0.255	-1.052	0.000
C3	-0.393	-2.232	0.000
C4	0.255	1.454	0.756
C5	0.255	1.454	-0.756
H6	-1.486	0.264	0.000
H7	1.354	-1.047	0.000
H8	0.145	-3.182	0.000
H9	-1.486	-2.287	0.000
H10	-0.408	2.144	1.281
H11	1.198	1.259	1.273
H12	-0.408	2.144	-1.281
H13	1.198	1.259	-1.273

	C1	C2	C3	C4	C5	H6	H7	H8	H9	H10	H11	H12	H13
C1		1.4843	2.5157	1.5352	1.5352	1.0947	2.1944	3.5071	2.7942	2.2589	2.2580	2.2589	2.2580
C2	1.4843		1.3459	2.6172	2.6172	2.1822	1.0986	2.1325	2.1343	3.5070	2.8025	3.5070	2.8025
C3	2.5157	1.3459		3.8174	3.8174	2.7241	2.1108	1.0921	1.0940	4.5596	4.0424	4.5596	4.0424
C4	1.5352	2.6172	3.8174		1.5118	2.2400	2.8336	4.6979	4.1943	1.0926	1.0930	2.2513	2.2459
C5	1.5352	2.6172	3.8174	1.5118		2.2400	2.8336	4.6979	4.1943	2.2513	2.2459	1.0926	1.0930
H6	1.0947	2.1822	2.7241	2.2400	2.2400		3.1272	3.8121	2.5506	2.5176	3.1330	2.5176	3.1330
H7	2.1944	1.0986	2.1108	2.8336	2.8336	3.1272		2.4535	3.0985	3.8638	2.6388	3.8638	2.6388
H8	3.5071	2.1325	1.0921	4.6979	4.6979	3.8121	2.4535		1.8604	5.5059	4.7387	5.5059	4.7387
H9	2.7942	2.1343	1.0940	4.1943	4.1943	2.5506	3.0985	1.8604		4.7366	4.6261	4.7366	4.6261
H10	2.2589	3.5070	4.5596	1.0926	2.2513	2.5176	3.8638	5.5059	4.7366		1.8343	2.5628	3.1449
H11	2.2580	2.8025	4.0424	1.0930	2.2459	3.1330	2.6388	4.7387	4.6261	1.8343		3.1449	2.5463
H12	2.2589	3.5070	4.5596	2.2513	1.0926	2.5176	3.8638	5.5059	4.7366	2.5628	3.1449		1.8343
H13	2.2580	2.8025	4.0424	2.2459	1.0930	3.1330	2.6388	4.7387	4.6261	3.1449	2.5463	1.8343

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	125.393	C1	C2	H7	115.527
C1	C4	C5	60.504	C1	C4	H10	117.552
C1	C4	H11	117.452	C1	C5	C4	60.504
C1	C5	H12	117.552	C1	C5	H13	117.452
C2	C1	C4	120.163	C2	C1	C5	120.163
C2	C1	H6	114.751	C2	C3	H8	121.675
C2	C3	H9	121.685	C3	C2	H7	119.080
C4	C1	H6	115.789	C4	C5	H12	118.751
C4	C5	H13	118.246	C5	C1	H6	115.789
C5	C4	H10	118.751	C5	C4	H11	118.246
H8	C3	H9	116.640	H10	C4	H11	114.131
H12	C5	H13	114.131

All results from a given calculation for C₅H₈ (Ethenylcyclopropane)

using model chemistry: BLYP/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	-0.072
2	C	0.034
3	C	-0.232
4	C	-0.193
5	C	-0.193
6	H	0.072
7	H	0.049
8	H	0.075
9	H	0.072
10	H	0.097
11	H	0.097
12	H	0.097
13	H	0.097

	x	y	z	Total
	0.047	0.590	0.000	0.592
CHELPG
AIM
ESP

	x	y	z
x	7.214	0.822	0.000
y	0.822	10.966	0.000
z	0.000	0.000	5.537

<r²>	136.698
(<r²>)^1/2	11.692

All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: BLYP/6-31G**

States and conformations

All results from a given calculation for C₅H₈ (Ethenylcyclopropane)