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	-53.406134
Energy at 298.15K	-53.416575
HF Energy	-52.586241
Nuclear repulsion energy	137.222673

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3750	3560	37.07
2	A	3604	3422	46.32
3	A	3198	3036	37.80
4	A	3194	3033	4.26
5	A	3180	3019	40.82
6	A	3176	3016	23.53
7	A	3106	2949	35.36
8	A	3081	2925	22.66
9	A	3081	2925	35.10
10	A	1780	1690	265.72
11	A	1645	1562	101.16
12	A	1540	1462	18.90
13	A	1531	1453	11.55
14	A	1517	1440	2.90
15	A	1514	1437	0.90
16	A	1448	1375	54.33
17	A	1445	1372	17.55
18	A	1430	1358	5.57
19	A	1357	1289	0.56
20	A	1291	1225	107.43
21	A	1223	1161	7.97
22	A	1159	1100	0.66
23	A	1148	1090	9.31
24	A	1070	1016	9.04
25	A	1000	949	0.62
26	A	952	904	2.33
27	A	950	902	2.35
28	A	778	739	3.92
29	A	762	723	3.06
30	A	615	584	15.81
31	A	581	552	31.35
32	A	477	453	3.13
33	A	328	311	35.92
34	A	303	288	195.95
35	A	293	278	22.95
36	A	251	239	4.96
37	A	242	230	5.62
38	A	219	208	9.36
39	A	29	27	6.59

Atom	x (Å)	y (Å)	z (Å)
C1	-1.368	-1.258	-0.105
H2	-0.853	-2.162	-0.479
H3	-1.451	-1.336	0.992
H4	-2.383	-1.231	-0.540
C5	-1.331	1.286	0.037
H6	-0.783	2.207	-0.232
H7	-1.419	1.241	1.135
C8	-0.595	0.027	-0.478
H9	-0.495	0.091	-1.579
N10	1.867	0.108	-0.724
H11	2.796	-0.061	-0.339
H12	1.733	-0.061	-1.717
C13	0.800	-0.022	0.159
O14	0.973	-0.117	1.388
H15	-2.344	1.340	-0.402

	C1	H2	H3	H4	C5	H6	H7	C8	H9	N10	H11	H12	C13	O14	H15
C1		1.1052	1.1029	1.1048	2.5485	3.5164	2.7902	1.5456	2.1808	3.5657	4.3384	3.6939	2.5099	3.0018	2.7915
H2	1.1052		1.7900	1.7922	3.5188	4.3762	3.8082	2.2041	2.5327	3.5511	4.2122	3.5540	2.7784	3.3167	3.8069
H3	1.1029	1.7900		1.7963	2.7930	3.8072	2.5806	2.1799	3.0919	4.0048	4.6292	4.3704	2.7366	2.7421	3.1464
H4	1.1048	1.7922	1.7963		2.7882	3.8044	3.1374	2.1870	2.5284	4.4597	5.3128	4.4376	3.4762	4.0275	2.5750
C5	2.5485	3.5188	2.7930	2.7882		1.1047	1.1030	1.5463	2.1762	3.4916	4.3570	3.7783	2.5035	3.0169	1.1049
H6	3.5164	4.3762	3.8072	3.8044	1.1047		1.7909	2.2015	2.5243	3.4157	4.2379	3.6983	2.7615	3.3325	1.7934
H7	2.7902	3.8082	2.5806	3.1374	1.1030	1.7909		2.1805	3.0888	3.9416	4.6508	4.4457	2.7336	2.7621	1.7964
C8	1.5456	2.2041	2.1799	2.1870	1.5463	2.2015	2.1805		1.1069	2.4756	3.3947	2.6384	1.5350	2.4418	2.1879
H9	2.1808	2.5327	3.0919	2.5284	2.1762	2.5243	3.0888	1.1069		2.5116	3.5195	2.2368	2.1702	3.3162	2.5225
N10	3.5657	3.5511	4.0048	4.4597	3.4916	3.4157	3.9416	2.4756	2.5116		1.0195	1.0167	1.3907	2.3039	4.3989
H11	4.3384	4.2122	4.6292	5.3128	4.3570	4.2379	4.6508	3.3947	3.5195	1.0195		1.7408	2.0567	2.5109	5.3272
H12	3.6939	3.5540	4.3704	4.4376	3.7783	3.6983	4.4457	2.6384	2.2368	1.0167	1.7408		2.0956	3.1970	4.5067
C13	2.5099	2.7784	2.7366	3.4762	2.5035	2.7615	2.7336	1.5350	2.1702	1.3907	2.0567	2.0956		1.2444	3.4719
O14	3.0018	3.3167	2.7421	4.0275	3.0169	3.3325	2.7621	2.4418	3.3162	2.3039	2.5109	3.1970	1.2444		4.0406
H15	2.7915	3.8069	3.1464	2.5750	1.1049	1.7934	1.7964	2.1879	2.5225	4.3989	5.3272	4.5067	3.4719	4.0406

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C8	C5	111.027	C1	C8	H9	109.495
C1	C8	C13	109.126	H2	C1	H3	108.320
H2	C1	H4	108.375	H2	C1	C8	111.424
H3	C1	H4	108.910	H3	C1	C8	109.658
H4	C1	C8	110.095	C5	C8	H9	109.089
C5	C8	C13	108.682	H6	C5	H7	108.425
H6	C5	C8	111.196	H6	C5	H15	108.511
H7	C5	C8	109.645	H7	C5	H15	108.897
C8	C5	H15	110.114	C8	C13	N10	115.510
C8	C13	O14	122.592	H9	C8	C13	109.399
N10	C13	O14	121.837	H11	N10	H12	117.500
H11	N10	C13	116.309	H12	N10	C13	120.227

All results from a given calculation for C₄H₉NO (Propanamide, 2-methyl-)

using model chemistry: MP2/CEP-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 C4H9NO (Propanamide, 2-methyl-)

using model chemistry: MP2/CEP-31G*

States and conformations

All results from a given calculation for C₄H₉NO (Propanamide, 2-methyl-)