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	-194.517048
Energy at 298.15K	-194.527133
HF Energy	-194.060910
Nuclear repulsion energy	170.485048

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3182	3037	54.58
2	A	3166	3022	1.14
3	A	3165	3021	40.33
4	A	3156	3013	25.76
5	A	3147	3003	4.67
6	A	3131	2989	16.75
7	A	3131	2989	4.93
8	A	3085	2944	16.87
9	A	3082	2942	23.13
10	A	3078	2938	17.74
11	A	1703	1625	0.36
12	A	1605	1532	6.19
13	A	1602	1529	6.10
14	A	1599	1527	4.28
15	A	1592	1519	5.40
16	A	1580	1508	1.41
17	A	1495	1427	4.33
18	A	1491	1423	5.68
19	A	1480	1413	2.26
20	A	1397	1334	1.48
21	A	1360	1298	0.42
22	A	1343	1282	0.31
23	A	1210	1155	1.43
24	A	1140	1088	5.82
25	A	1129	1077	0.28
26	A	1099	1049	0.58
27	A	1022	975	0.28
28	A	1013	967	2.35
29	A	938	895	7.47
30	A	866	826	1.40
31	A	817	779	4.98
32	A	743	710	37.69
33	A	581	554	6.17
34	A	489	467	1.75
35	A	321	306	0.05
36	A	259	247	0.05
37	A	231	221	0.01
38	A	110	105	0.26
39	A	41	39	0.08

Atom	x (Å)	y (Å)	z (Å)
C1	2.115	-0.383	-0.441
H2	2.590	0.543	-0.784
H3	2.890	-1.044	-0.037
H4	1.647	-0.871	-1.302
C5	1.036	-0.069	0.637
H6	0.574	-1.003	0.972
H7	1.520	0.388	1.510
C8	-2.013	-0.725	-0.028
H9	-2.385	-1.091	-0.993
H10	-1.352	-1.487	0.395
H11	-2.876	-0.610	0.640
C12	-0.014	0.885	0.091
H13	0.351	1.894	-0.107
C14	-1.298	0.605	-0.205
H15	-1.916	1.403	-0.617

	C1	H2	H3	H4	C5	H6	H7	C8	H9	H10	H11	C12	H13	C14	H15
C1		1.0955	1.0956	1.0946	1.5568	2.1810	2.1804	4.1631	4.5888	3.7337	5.1120	2.5345	2.8992	3.5606	4.4122
H2	1.0955		1.7793	1.7760	2.1923	3.0884	2.5357	4.8342	5.2404	4.5881	5.7649	2.7683	2.7009	3.9306	4.5898
H3	1.0956	1.7793		1.7816	2.1999	2.5266	2.5138	4.9134	5.3610	4.2870	5.8218	3.4886	3.8831	4.5036	5.4238
H4	1.0946	1.7760	1.7816		2.1853	2.5183	3.0835	3.8789	4.0502	3.5011	4.9296	2.7897	3.2787	3.4718	4.2819
C5	1.5568	2.1923	2.1999	2.1853		1.0950	1.0980	3.1896	3.9252	2.7885	3.9499	1.5205	2.2078	2.5713	3.5290
H6	2.1810	3.0884	2.5266	2.5183	1.0950		1.7668	2.7874	3.5529	2.0681	3.4882	2.1649	3.0992	2.7342	3.8097
H7	2.1804	2.5357	2.5138	3.0835	1.0980	1.7668		4.0115	4.8688	3.6074	4.5919	2.1485	2.4993	3.3062	4.1665
C8	4.1631	4.8342	4.9134	3.8789	3.1896	2.7874	4.0115		1.0970	1.0934	1.0969	2.5696	3.5295	1.5216	2.2112
H9	4.5888	5.2404	5.3610	4.0502	3.9252	3.5529	4.8688	1.0970		1.7746	1.7713	3.2709	4.1450	2.1635	2.5661
H10	3.7337	4.5881	4.2870	3.5011	2.7885	2.0681	3.6074	1.0934	1.7746		1.7752	2.7402	3.8188	2.1776	3.1139
H11	5.1120	5.7649	5.8218	4.9296	3.9499	3.4882	4.5919	1.0969	1.7713	1.7752		3.2752	4.1524	2.1643	2.5606
C12	2.5345	2.7683	3.4886	2.7897	1.5205	2.1649	2.1485	2.5696	3.2709	2.7402	3.2752		1.0910	1.3463	2.0939
H13	2.8992	2.7009	3.8831	3.2787	2.2078	3.0992	2.4993	3.5295	4.1450	3.8188	4.1524	1.0910		2.0947	2.3746
C14	3.5606	3.9306	4.5036	3.4718	2.5713	2.7342	3.3062	1.5216	2.1635	2.1776	2.1643	1.3463	2.0947		1.0900
H15	4.4122	4.5898	5.4238	4.2819	3.5290	3.8097	4.1665	2.2112	2.5661	3.1139	2.5606	2.0939	2.3746	1.0900

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C5	H6	109.426	C1	C5	H7	109.208
C1	C5	C12	110.893	H2	C1	H3	108.594
H2	C1	H4	108.372	H2	C1	C5	110.286
H3	C1	H4	108.871	H3	C1	C5	110.878
H4	C1	C5	109.783	C5	C12	H13	114.425
C5	C12	C14	127.410	H6	C5	H7	107.348
H6	C5	C12	110.679	H7	C5	C12	109.207
C8	C14	C12	127.169	C8	C14	H15	114.697
H9	C8	H10	108.222	H9	C8	H11	107.679
H9	C8	C14	110.370	H10	C8	H11	108.289
H10	C8	C14	111.721	H11	C8	C14	110.434
C12	C14	H15	118.133	H13	C12	C14	118.126

All results from a given calculation for C₅H₁₀ (2-Pentene, (Z)-)

using model chemistry: MP2/3-21G

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	ESP
1	C	-0.517	-0.356
2	H	0.179	0.091
3	H	0.179	0.066
4	H	0.187	0.104
5	C	-0.443	0.360
6	H	0.193	-0.039
7	H	0.195	-0.030
8	C	-0.590	-0.256
9	H	0.194	0.086
10	H	0.192	0.102
11	H	0.194	0.083
12	C	-0.149	-0.454
13	H	0.177	0.168
14	C	-0.170	-0.023
15	H	0.179	0.097

	x	y	z	Total
	-0.007	-0.176	-0.014	0.176
CHELPG
AIM
ESP	-0.026	-0.201	-0.027	0.204

	x	y	z
x	9.371	0.374	0.675
y	0.374	6.742	-0.257
z	0.675	-0.257	5.472

<r²>	163.667
(<r²>)^1/2	12.793

All results from a given calculation for C5H10 (2-Pentene, (Z)-)

using model chemistry: MP2/3-21G

States and conformations

All results from a given calculation for C₅H₁₀ (2-Pentene, (Z)-)