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	-307.769462
Energy at 298.15K	-307.778779
HF Energy	-307.769462
Nuclear repulsion energy	237.733507

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3696	3575	48.52
2	A	3124	3022	31.99
3	A	3102	3000	41.00
4	A	3099	2997	37.76
5	A	3073	2972	0.35
6	A	3059	2959	22.20
7	A	3039	2940	12.72
8	A	3024	2925	31.64
9	A	1787	1729	324.98
10	A	1500	1451	5.43
11	A	1489	1441	6.53
12	A	1486	1437	0.89
13	A	1472	1424	5.56
14	A	1401	1356	1.19
15	A	1368	1323	37.11
16	A	1352	1307	31.66
17	A	1313	1270	3.79
18	A	1276	1235	1.05
19	A	1250	1209	18.16
20	A	1192	1153	135.76
21	A	1104	1068	6.87
22	A	1064	1030	103.82
23	A	1049	1015	7.39
24	A	913	883	2.89
25	A	881	853	1.29
26	A	865	837	10.63
27	A	744	720	6.14
28	A	732	708	29.82
29	A	621	601	70.77
30	A	570	552	44.68
31	A	414	400	3.03
32	A	321	311	1.08
33	A	238	230	0.02
34	A	179	173	0.15
35	A	90	87	0.39
36	A	37	35	0.88

Atom	x (Å)	y (Å)	z (Å)
C1	1.172	-0.132	0.110
C2	-0.242	-0.153	0.633
C3	-1.264	0.069	-0.502
C4	-2.706	0.014	0.009
O5	1.652	1.141	-0.011
O6	1.832	-1.102	-0.211
H7	-0.406	-1.133	1.099
H8	-0.358	0.632	1.393
H9	-1.111	-0.700	-1.273
H10	-1.070	1.044	-0.974
H11	-3.416	0.170	-0.814
H12	-2.926	-0.962	0.466
H13	-2.888	0.791	0.766
H14	2.546	1.058	-0.390

	C1	C2	C3	C4	O5	O6	H7	H8	H9	H10	H11	H12	H13	H14
C1		1.5081	2.5197	3.8818	1.3660	1.2155	2.1138	2.1385	2.7292	2.7545	4.6905	4.1967	4.2150	1.8850
C2	1.5081		1.5437	2.5469	2.3823	2.4317	1.0968	1.0987	2.1657	2.1684	3.5038	2.8084	2.8123	3.2069
C3	2.5197	1.5437		1.5310	3.1445	3.3222	2.1783	2.1748	1.0998	1.0995	2.1775	2.1830	2.1835	3.9370
C4	3.8818	2.5469	1.5310		4.5005	4.6775	2.7914	2.7942	2.1675	2.1680	1.0988	1.0999	1.1000	5.3687
O5	1.3660	2.3823	3.1445	4.5005		2.2588	3.2608	2.5040	3.5516	2.8890	5.2221	5.0602	4.6185	0.9744
O6	1.2155	2.4317	3.3222	4.6775	2.2588		2.5928	3.2210	3.1541	3.6887	5.4335	4.8078	5.1779	2.2819
H7	2.1138	1.0968	2.1783	2.7914	3.2608	2.5928		1.7895	2.5126	3.0781	3.7976	2.6045	3.1581	3.9655
H8	2.1385	1.0987	2.1748	2.7942	2.5040	3.2210	1.7895		3.0744	2.5061	3.7997	3.1615	2.6110	3.4340
H9	2.7292	2.1657	1.0998	2.1675	3.5516	3.1541	2.5126	3.0744		1.7695	2.5067	2.5278	3.0887	4.1523
H10	2.7545	2.1684	1.0995	2.1680	2.8890	3.6887	3.0781	2.5061	1.7695		2.5083	3.0886	2.5284	3.6629
H11	4.6905	3.5038	2.1775	1.0988	5.2221	5.4335	3.7976	3.7997	2.5067	2.5083		1.7779	1.7780	6.0426
H12	4.1967	2.8084	2.1830	1.0999	5.0602	4.8078	2.6045	3.1615	2.5278	3.0886	1.7779		1.7792	5.8952
H13	4.2150	2.8123	2.1835	1.1000	4.6185	5.1779	3.1581	2.6110	3.0887	2.5284	1.7780	1.7792		5.5611
H14	1.8850	3.2069	3.9370	5.3687	0.9744	2.2819	3.9655	3.4340	4.1523	3.6629	6.0426	5.8952	5.5611

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	111.299	C1	C2	H7	107.425
C1	C2	H8	109.232	C1	O5	H14	106.095
C2	C1	O5	111.874	C2	C1	O6	126.118
C2	C3	C4	111.853	C2	C3	H9	108.852
C2	C3	H10	109.086	C3	C2	H7	110.017
C3	C2	H8	109.629	C3	C4	H11	110.719
C3	C4	H12	111.086	C3	C4	H13	111.116
C4	C3	H9	109.863	C4	C3	H10	109.925
O5	C1	O6	121.982	H7	C2	H8	109.191
H9	C3	H10	107.137	H11	C4	H12	107.914
H11	C4	H13	107.921	H12	C4	H13	107.947

All results from a given calculation for C₄H₈O₂ (Butanoic acid)

using model chemistry: TPSSh/aug-cc-pVDZ

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	0.938
2	C	0.453
3	C	0.456
4	C	0.428
5	O	-0.511
6	O	-0.618
7	H	-0.220
8	H	-0.217
9	H	-0.253
10	H	-0.258
11	H	-0.148
12	H	-0.113
13	H	-0.114
14	H	0.179

	x	y	z	Total
	-1.289	1.406	0.200	1.917
CHELPG
AIM
ESP

	x	y	z
x	10.677	-0.053	-0.346
y	-0.053	8.568	0.026
z	-0.346	0.026	7.513

<r²>	210.002
(<r²>)^1/2	14.491

All results from a given calculation for C4H8O2 (Butanoic acid)

using model chemistry: TPSSh/aug-cc-pVDZ

States and conformations

All results from a given calculation for C₄H₈O₂ (Butanoic acid)