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	-232.546075
Energy at 298.15K	-232.554523
Nuclear repulsion energy	175.612229

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3094	2992	24.87
2	A'	3087	2985	50.97
3	A'	3048	2948	4.21
4	A'	3022	2922	17.34
5	A'	2832	2739	99.56
6	A'	1808	1748	228.08
7	A'	1514	1464	15.46
8	A'	1506	1456	8.20
9	A'	1428	1381	0.76
10	A'	1410	1364	3.16
11	A'	1319	1275	1.39
12	A'	1183	1144	5.92
13	A'	1179	1140	3.84
14	A'	912	882	21.22
15	A'	843	815	19.76
16	A'	544	526	5.06
17	A'	353	341	7.45
18	A'	332	321	0.19
19	A'	229	222	0.83
20	A"	3093	2991	15.89
21	A"	3080	2979	3.81
22	A"	3019	2919	22.37
23	A"	1493	1444	1.71
24	A"	1491	1442	1.34
25	A"	1401	1355	2.97
26	A"	1343	1299	1.21
27	A"	1132	1095	1.47
28	A"	981	948	0.07
29	A"	959	927	0.22
30	A"	932	901	1.26
31	A"	331	320	1.02
32	A"	208	201	0.03
33	A"	70	68	6.74

Atom	x (Å)	y (Å)	z (Å)
H1	0.309	0.565	2.170
H2	0.309	0.565	-2.170
H3	-1.028	1.350	-1.323
H4	-1.028	1.350	1.323
H5	0.584	2.059	1.272
H6	0.584	2.059	-1.272
C7	0.038	1.116	-1.269
C8	0.038	1.116	1.269
H9	1.422	0.040	0.000
C10	0.366	0.316	0.000
C11	-0.428	-0.970	0.000
H12	-1.533	-0.826	0.000
O13	0.038	-2.078	0.000

	H1	H2	H3	H4	H5	H6	C7	C8	H9	C10	C11	H12	O13
H1		4.3406	3.8216	1.7669	1.7649	3.7632	3.4938	1.0903	2.4951	2.1853	2.7583	3.1681	3.4310
H2	4.3406		1.7669	3.8216	3.7632	1.7649	1.0903	3.4938	2.4951	2.1853	2.7583	3.1681	3.4310
H3	3.8216	1.7669		2.6454	3.1364	1.7621	1.0924	2.8122	3.0772	2.1823	2.7364	2.5956	3.8258
H4	1.7669	3.8216	2.6454		1.7621	3.1364	2.8122	1.0924	3.0772	2.1823	2.7364	2.5956	3.8258
H5	1.7649	3.7632	3.1364	1.7621		2.5449	2.7657	1.0906	2.5298	2.1693	3.4377	3.7980	4.3635
H6	3.7632	1.7649	1.7621	3.1364	2.5449		1.0906	2.7657	2.5298	2.1693	3.4377	3.7980	4.3635
C7	3.4938	1.0903	1.0924	2.8122	2.7657	1.0906		2.5384	2.1646	1.5357	2.4850	2.8011	3.4370
C8	1.0903	3.4938	2.8122	1.0924	1.0906	2.7657	2.5384		2.1646	1.5357	2.4850	2.8011	3.4370
H9	2.4951	2.4951	3.0772	3.0772	2.5298	2.5298	2.1646	2.1646		1.0915	2.1079	3.0794	2.5310
C10	2.1853	2.1853	2.1823	2.1823	2.1693	2.1693	1.5357	1.5357	1.0915		1.5112	2.2160	2.4170
C11	2.7583	2.7583	2.7364	2.7364	3.4377	3.4377	2.4850	2.4850	2.1079	1.5112		1.1140	1.2027
H12	3.1681	3.1681	2.5956	2.5956	3.7980	3.7980	2.8011	2.8011	3.0794	2.2160	1.1140		2.0085
O13	3.4310	3.4310	3.8258	3.8258	4.3635	4.3635	3.4370	3.4370	2.5310	2.4170	1.2027	2.0085

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
H1	C8	H4	108.095	H1	C8	H5	108.048
H1	C8	C10	111.519	H2	C7	H3	108.095
H2	C7	H6	108.048	H2	C7	C10	111.519
H3	C7	H6	107.651	H3	C7	C10	111.155
H4	C8	H5	107.651	H4	C8	C10	111.155
H5	C8	C10	110.232	H6	C7	C10	110.232
C7	C10	C8	111.476	C7	C10	H9	109.803
C7	C10	C11	109.292	C8	C10	H9	109.803
C8	C10	C11	109.292	H9	C10	C11	107.069
C10	C11	H12	114.309	C10	C11	O13	125.516
H12	C11	O13	120.175

All results from a given calculation for CHOCH(CH₃)CH₃ (Propanal, 2-methyl-)

using model chemistry: B3LYP/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	H	0.156
2	H	0.156
3	H	0.161
4	H	0.161
5	H	0.150
6	H	0.150
7	C	-0.434
8	C	-0.434
9	H	0.138
10	C	-0.250
11	C	0.515
12	H	0.130
13	O	-0.601

	x	y	z	Total
	-0.493	2.975	0.000	3.016
CHELPG
AIM
ESP

	x	y	z
x	7.418	-0.127	0.000
y	-0.127	9.036	0.000
z	0.000	0.000	7.646

<r²>	135.133
(<r²>)^1/2	11.625

All results from a given calculation for CHOCH(CH3)CH3 (Propanal, 2-methyl-)

using model chemistry: B3LYP/6-311+G(3df,2p)

States and conformations

All results from a given calculation for CHOCH(CH₃)CH₃ (Propanal, 2-methyl-)