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	-1077.583114
Energy at 298.15K	-1077.592220
HF Energy	-1077.583114
Nuclear repulsion energy	326.473196

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3108	2960	0.00
2	A_g	3066	2920	0.00
3	A_g	1499	1428	0.00
4	A_g	1493	1422	0.00
5	A_g	1424	1357	0.00
6	A_g	1328	1265	0.00
7	A_g	1101	1049	0.00
8	A_g	1057	1007	0.00
9	A_g	789	752	0.00
10	A_g	340	324	0.00
11	A_g	227	217	0.00
12	A_u	3175	3025	22.39
13	A_u	3126	2978	21.07
14	A_u	1336	1273	2.46
15	A_u	1155	1101	1.77
16	A_u	913	870	0.74
17	A_u	743	708	4.09
18	A_u	102	97	0.30
19	A_u	62	59	6.79
20	B_g	3174	3024	0.00
21	B_g	3108	2961	0.00
22	B_g	1342	1279	0.00
23	B_g	1277	1217	0.00
24	B_g	1093	1041	0.00
25	B_g	781	744	0.00
26	B_g	153	145	0.00
27	B_u	3108	2961	42.95
28	B_u	3072	2926	24.00
29	B_u	1509	1437	9.96
30	B_u	1492	1422	2.36
31	B_u	1383	1318	73.68
32	B_u	1260	1201	7.44
33	B_u	1054	1004	18.40
34	B_u	765	729	76.61
35	B_u	431	410	13.60
36	B_u	108	103	5.43

Atom	x (Å)	y (Å)	z (Å)
Cl1	-0.401	-3.410	0.000
Cl2	0.401	3.410	0.000
C3	-0.522	1.863	0.000
C4	0.522	-1.863	0.000
C5	0.401	0.654	0.000
C6	-0.401	-0.654	0.000
H7	-1.158	1.878	0.887
H8	-1.158	1.878	-0.887
H9	1.158	-1.878	-0.887
H10	1.158	-1.878	0.887
H11	1.051	0.698	-0.881
H12	-1.051	-0.698	-0.881
H13	-1.051	-0.698	0.881
H14	1.051	0.698	0.881

	Cl1	Cl2	C3	C4	C5	C6	H7	H8	H9	H10	H11	H12	H13	H14
Cl1		6.8677	5.2747	1.8019	4.1425	2.7565	5.4152	5.4152	2.3593	2.3593	4.4452	2.9254	2.9254	4.4452
Cl2	6.8677		1.8019	5.2747	2.7565	4.1425	2.3593	2.3593	5.4152	5.4152	2.9254	4.4452	4.4452	2.9254
C3	5.2747	1.8019		3.8695	1.5212	2.5197	1.0916	1.0916	4.1956	4.1956	2.1470	2.7590	2.7590	2.1470
C4	1.8019	5.2747	3.8695		2.5197	1.5212	4.1956	4.1956	1.0916	1.0916	2.7590	2.1470	2.1470	2.7590
C5	4.1425	2.7565	1.5212	2.5197		1.5338	2.1714	2.1714	2.7874	2.7874	1.0959	2.1704	2.1704	1.0959
C6	2.7565	4.1425	2.5197	1.5212	1.5338		2.7874	2.7874	2.1714	2.1714	2.1704	1.0959	1.0959	2.1704
H7	5.4152	2.3593	1.0916	4.1956	2.1714	2.7874		1.7746	4.7556	4.4121	3.0658	3.1259	2.5776	2.5044
H8	5.4152	2.3593	1.0916	4.1956	2.1714	2.7874	1.7746		4.4121	4.7556	2.5044	2.5776	3.1259	3.0658
H9	2.3593	5.4152	4.1956	1.0916	2.7874	2.1714	4.7556	4.4121		1.7746	2.5776	2.5044	3.0658	3.1259
H10	2.3593	5.4152	4.1956	1.0916	2.7874	2.1714	4.4121	4.7556	1.7746		3.1259	3.0658	2.5044	2.5776
H11	4.4452	2.9254	2.1470	2.7590	1.0959	2.1704	3.0658	2.5044	2.5776	3.1259		2.5230	3.0774	1.7620
H12	2.9254	4.4452	2.7590	2.1470	2.1704	1.0959	3.1259	2.5776	2.5044	3.0658	2.5230		1.7620	3.0774
H13	2.9254	4.4452	2.7590	2.1470	2.1704	1.0959	2.5776	3.1259	3.0658	2.5044	3.0774	1.7620		2.5230
H14	4.4452	2.9254	2.1470	2.7590	1.0959	2.1704	2.5044	3.0658	3.1259	2.5776	1.7620	3.0774	2.5230

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Cl1	C4	C6	111.818	Cl1	C4	H9	106.660
Cl1	C4	H10	106.660	Cl2	C3	C5	111.818
Cl2	C3	H7	106.660	Cl2	C3	H8	106.660
C3	C5	C6	111.132	C3	C5	H11	109.164
C3	C5	H14	109.164	C4	C6	C5	111.132
C4	C6	H12	109.164	C4	C6	H13	109.164
C5	C3	H7	111.353	C5	C3	H8	111.353
C5	C6	H12	110.132	C5	C6	H13	110.132
C6	C4	H9	111.353	C6	C4	H10	111.353
C6	C5	H11	110.132	C6	C5	H14	110.132
H7	C3	H8	108.757	H9	C4	H10	108.757
H11	C5	H14	107.018	H12	C6	H13	107.018

All results from a given calculation for C₄H₈Cl₂ (1,4-Dichlorobutane)

using model chemistry: wB97X-D/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	Cl	0.015
2	Cl	0.015
3	C	-0.504
4	C	-0.504
5	C	-0.266
6	C	-0.266
7	H	0.203
8	H	0.203
9	H	0.203
10	H	0.203
11	H	0.175
12	H	0.175
13	H	0.175
14	H	0.175

	x	y	z
x	9.198	1.229	0.000
y	1.229	13.970	0.000
z	0.000	0.000	8.223

<r²>	519.186
(<r²>)^1/2	22.786

All results from a given calculation for C4H8Cl2 (1,4-Dichlorobutane)

using model chemistry: wB97X-D/cc-pVDZ

States and conformations

All results from a given calculation for C₄H₈Cl₂ (1,4-Dichlorobutane)