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	-229.869449
Energy at 298.15K	-229.877419
Nuclear repulsion energy	81.671845

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3398	3367	27.53
2	A	3154	3125	235.11
3	A	3068	3040	12.93
4	A	3064	3036	19.41
5	A	2971	2944	40.39
6	A	2963	2936	85.23
7	A	2925	2899	55.95
8	A	2914	2887	44.77
9	A	1695	1680	35.54
10	A	1541	1527	0.94
11	A	1520	1506	19.27
12	A	1504	1490	18.60
13	A	1496	1482	1.13
14	A	1471	1458	1.36
15	A	1433	1420	2.44
16	A	1215	1204	0.47
17	A	1146	1136	1.12
18	A	1114	1104	29.94
19	A	1111	1101	7.90
20	A	1054	1044	55.62
21	A	871	863	26.15
22	A	692	685	166.29
23	A	400	396	8.24
24	A	368	364	104.23
25	A	260	257	4.89
26	A	240	238	5.81
27	A	169	167	3.64
28	A	134	133	100.89
29	A	57	56	11.53
30	A	39	39	1.77

Atom	x (Å)	y (Å)	z (Å)
H1	1.427	-0.356	0.076
O2	2.438	-0.234	0.134
O3	-0.363	-0.137	-0.171
C4	-0.611	1.296	0.013
C5	-1.582	-0.909	0.060
H6	2.757	-0.618	-0.740
H7	-1.003	1.519	1.027
H8	0.369	1.782	-0.114
H9	-1.329	1.687	-0.737
H10	-1.308	-1.967	-0.078
H11	-1.975	-0.764	1.088
H12	-2.381	-0.641	-0.662

	H1	O2	O3	C4	C5	H6	H7	H8	H9	H10	H11	H12
H1		1.0197	1.8203	2.6252	3.0600	1.5815	3.2139	2.3940	3.5262	3.1776	3.5735	3.8901
O2	1.0197		2.8189	3.4139	4.0773	1.0070	3.9635	2.8998	4.3173	4.1326	4.5463	4.9018
O3	1.8203	2.8189		1.4658	1.4623	3.2070	2.1420	2.0542	2.1402	2.0619	2.1402	2.1380
C4	2.6252	3.4139	1.4658		2.4100	3.9466	1.1097	1.1014	1.1092	3.3376	2.6944	2.7095
C5	3.0600	4.0773	1.4623	2.4100		4.4217	2.6775	3.3287	2.7282	1.1013	1.1100	1.1098
H6	1.5815	1.0070	3.2070	3.9466	4.4217		4.6717	3.4433	4.6910	4.3331	5.0750	5.1388
H7	3.2139	3.9635	2.1420	1.1097	2.6775	4.6717		1.8036	1.8021	3.6698	2.4825	3.0693
H8	2.3940	2.8998	2.0542	1.1014	3.3287	3.4433	1.8036		1.8103	4.1069	3.6638	3.7061
H9	3.5262	4.3173	2.1402	1.1092	2.7282	4.6910	1.8021	1.8103		3.7132	3.1239	2.5567
H10	3.1776	4.1326	2.0619	3.3376	1.1013	4.3331	3.6698	4.1069	3.7132		1.8034	1.8030
H11	3.5735	4.5463	2.1402	2.6944	1.1100	5.0750	2.4825	3.6638	3.1239	1.8034		1.8003
H12	3.8901	4.9018	2.1380	2.7095	1.1098	5.1388	3.0693	3.7061	2.5567	1.8030	1.8003

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
H1	O2	H6	102.576	H1	O3	C4	105.546
H1	O3	C5	137.297	O2	H1	O3	165.431
O3	C4	H7	111.801	O3	C4	H8	105.412
O3	C4	H9	111.691	O3	C5	H10	106.235
O3	C5	H11	111.891	O3	C5	H12	111.721
C4	O3	C5	110.790	H7	C4	H8	109.314
H7	C4	H9	108.614	H8	C4	H9	109.957
H10	C5	H11	109.286	H10	C5	H12	109.261
H11	C5	H12	108.391

All results from a given calculation for H₂OCH₃OCH₃ (water dimethylether dimer)

using model chemistry: PBEPBE_cp_opt/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
1	H	0.000
2	O	0.000
3	O	-0.431
4	C	-0.377
5	C	-0.372
6	H	0.000
7	H	0.185
8	H	0.222
9	H	0.189
10	H	0.218
11	H	0.183
12	H	0.183

	x	y	z	Total
	-3.474	-0.161	-1.181	3.673
CHELPG
AIM
ESP

	x	y	z
x	3.979	0.586	-0.016
y	0.586	4.133	-0.021
z	-0.016	-0.021	3.400

<r²>	0.000
(<r²>)^1/2	0.000

All results from a given calculation for H2OCH3OCH3 (water dimethylether dimer)

using model chemistry: PBEPBE_cp_opt/3-21G

States and conformations

All results from a given calculation for H₂OCH₃OCH₃ (water dimethylether dimer)