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	-322.632180
Energy at 298.15K	-322.641904
Nuclear repulsion energy	251.365497

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3765	3477	211.03
2	A	3741	3455	12.87
3	A	3647	3368	6.08
4	A	3291	3040	7.18
5	A	3250	3002	27.63
6	A	3182	2939	14.76
7	A	3177	2935	12.59
8	A	1995	1843	303.44
9	A	1779	1644	44.78
10	A	1599	1477	16.84
11	A	1592	1470	2.42
12	A	1526	1409	417.67
13	A	1517	1402	5.33
14	A	1488	1374	50.07
15	A	1422	1314	58.83
16	A	1327	1226	5.76
17	A	1303	1204	7.08
18	A	1236	1141	9.34
19	A	1178	1089	60.92
20	A	1082	999	0.39
21	A	1007	930	62.45
22	A	963	889	87.50
23	A	865	799	5.55
24	A	834	770	128.06
25	A	781	721	18.75
26	A	586	541	10.90
27	A	563	520	1.34
28	A	434	401	6.89
29	A	386	357	17.96
30	A	307	284	17.91
31	A	299	276	13.27
32	A	246	227	1.02
33	A	74	68	1.36

Atom	x (Å)	y (Å)	z (Å)
N1	1.044	1.364	-0.066
C2	1.484	-1.115	-0.167
C3	0.640	0.029	0.372
C4	-0.841	-0.178	0.050
O5	-1.533	0.947	-0.110
O6	-1.347	-1.261	-0.013
H7	1.329	1.347	-1.036
H8	1.834	1.696	0.465
H9	1.110	-2.067	0.193
H10	1.452	-1.132	-1.255
H11	0.689	0.027	1.462
H12	2.520	-0.998	0.146
H13	-0.897	1.678	-0.060

	N1	C2	C3	C4	O5	O6	H7	H8	H9	H10	H11	H12	H13
N1		2.5195	1.4623	2.4389	2.6119	3.5516	1.0109	1.0083	3.4418	2.7949	2.0612	2.7934	1.9662
C2	2.5195		1.5201	2.5162	3.6546	2.8386	2.6150	2.9024	1.0846	1.0890	2.1419	1.0880	3.6710
C3	1.4623	1.5201		1.5298	2.4077	2.3997	2.0477	2.0533	2.1558	2.1575	1.0910	2.1543	2.2945
C4	2.4389	2.5162	1.5298		1.3302	1.1970	2.8657	3.2934	2.7197	2.8055	2.0924	3.4610	1.8600
O5	2.6119	3.6546	2.4077	1.3302		2.2180	3.0344	3.4980	4.0202	3.8134	2.8733	4.5029	0.9711
O6	3.5516	2.8386	2.3997	1.1970	2.2180		3.8738	4.3699	2.5935	3.0645	2.8245	3.8785	2.9739
H7	1.0109	2.6150	2.0477	2.8657	3.0344	3.8738		1.6222	3.6349	2.4916	2.8964	2.8835	2.4523
H8	1.0083	2.9024	2.0533	3.2934	3.4980	4.3699	1.6222		3.8424	3.3327	2.2565	2.7988	2.7810
H9	3.4418	1.0846	2.1558	2.7197	4.0202	2.5935	3.6349	3.8424		1.7570	2.4849	1.7698	4.2562
H10	2.7949	1.0890	2.1575	2.8055	3.8134	3.0645	2.4916	3.3327	1.7570		3.0508	1.7666	3.8522
H11	2.0612	2.1419	1.0910	2.0924	2.8733	2.8245	2.8964	2.2565	2.4849	3.0508		2.4770	2.7483
H12	2.7934	1.0880	2.1543	3.4610	4.5029	3.8785	2.8835	2.7988	1.7698	1.7666	2.4770		4.3445
H13	1.9662	3.6710	2.2945	1.8600	0.9711	2.9739	2.4523	2.7810	4.2562	3.8522	2.7483	4.3445

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	C3	C2	115.284	N1	C3	C4	109.177
N1	C3	H11	106.752	C2	C3	C4	111.175
C2	C3	H11	109.126	C3	N1	H7	110.449
C3	N1	H8	111.094	C3	C2	H9	110.602
C3	C2	H10	110.473	C3	C2	H12	110.278
C3	C4	O5	114.494	C3	C4	O6	122.832
C4	C3	H11	104.705	C4	O5	H13	106.807
O5	C4	O6	122.635	H7	N1	H8	106.920
H9	C2	H10	107.859	H9	C2	H12	109.087
H10	C2	H12	108.474

All results from a given calculation for CH₃CH(NH₂)COOH (Alanine)

using model chemistry: CID/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

All results from a given calculation for CH3CH(NH2)COOH (Alanine)

using model chemistry: CID/6-31G*

States and conformations

All results from a given calculation for CH₃CH(NH₂)COOH (Alanine)