Class information for:
Level 2: INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY//SLATER TYPE ORBITALS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
6 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1698077
60 3       PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//CHEMISTRY, PHYSICAL//JOURNAL OF CHEMICAL PHYSICS 92506
882 2             INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY//SLATER TYPE ORBITALS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL 11599
871 1                   MULTIREFERENCE//COUPLED CLUSTER THEORY//MULTIREFERENCE PERTURBATION THEORY 3038
8052 1                   ELECTRON LOCALIZATION FUNCTION//MOL THEORY GRP//ATOMS IN MOLECULES 1321
12991 1                   SLATER TYPE ORBITALS//OVERLAP INTEGRALS//EXPONENTIAL TYPE ORBITALS 898
13232 1                   ELECTRON PAIR DENSITY//PL CHEM UNIT//EXTRACULE DENSITY 882
14678 1                   VALENCE BOND//VALENCE BOND THEORY//GRP CHIM THEOR 784
16366 1                   MOLECULAR INFORMATION CHANNELS//MOLECULAR COMMUNICATION SYSTEMS//ORBITAL COMMUNICATION THEORY 685
16719 1                   LATTICE SUMMATIONS//PHYS CHEM PHYS CHEM 3//MULTIPLE HARTREE FOCK SOLUTIONS 665
17146 1                   CONTRACTED SCHRODINGER EQUATION//REDUCED DENSITY MATRICES//NATURAL ORBITAL FUNCTIONAL 642
17811 1                   GAUSSIAN BASIS SETS//GENERATOR COORDINATE HARTREE FOCK METHOD//INFORMAT SAO CARLOS 609
18388 1                   CLASS SUMS//ANTISYMMETRIC A PARTICLE STATES//COEFFICIENT OF FRACTIONAL PARENTAGE 578
22505 1                   ONE ELECTRON DENSITY MATRIX//CHARGE BOND ORDER MATRIX//DIRECT THROUGH SPACE AND INDIRECT THROUGH BOND INTERACTIONS 401
26884 1                   ANHARMONIC CALCULATION//CHEM PROBLEMS ECOL//QUANTUM SELF ASSEMBLY OF PHOTOSYNTHETIC CENTERS 263
28277 1                   SEMIEMPIRICAL CI METHODS//COUPLED QUANTUM MECHANICS GREEN FUNCTION//POS FIS 229
28569 1                   LOWDINS PAIRING THEOREM//ORTHOGONAL GRADIENT METHOD//PAIRING THEOREM 222
33841 1                   VERTICAL IONIZATION//INVEST BASICA PROC//BREIT EFFECT 133
34052 1                   LEWIS STRUCTURES//LEWIS FORMULA//BIOMETHYLATION OF METALLOIDS 130
34924 1                   10 P 3//8 P 3//8 P 4 119

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY journal 425543 11% 12% 1325
2 SLATER TYPE ORBITALS authKW 310100 1% 91% 126
3 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL WoSSC 213743 53% 1% 6141
4 THEORETICA CHIMICA ACTA journal 166817 3% 21% 292
5 OVERLAP INTEGRALS authKW 117469 1% 63% 69
6 CHEMISTRY, PHYSICAL WoSSC 111501 64% 1% 7421
7 JOURNAL OF CHEMICAL PHYSICS journal 107540 16% 2% 1868
8 EXPONENTIAL TYPE ORBITALS authKW 86966 0% 97% 33
9 MOLECULAR INTEGRALS authKW 81668 0% 79% 38
10 JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM journal 79139 5% 5% 580

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Atomic, Molecular & Chemical 213743 53% 1% 6141
2 Chemistry, Physical 111501 64% 1% 7421
3 Mathematics, Interdisciplinary Applications 35902 13% 1% 1505
4 Chemistry, Multidisciplinary 4314 15% 0% 1750
5 Optics 1155 6% 0% 652
6 Physics, Mathematical 1035 3% 0% 387
7 Education, Scientific Disciplines 528 1% 0% 146
8 Physics, Multidisciplinary 318 4% 0% 488
9 Computer Science, Interdisciplinary Applications 272 2% 0% 231
10 Chemistry, Inorganic & Nuclear 248 3% 0% 319

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 QUANTUM THEORY PROJECT 56713 1% 14% 147
2 MOL THEORY GRP 46322 0% 74% 23
3 UMR 7616 42724 1% 19% 84
4 CHIM THEOR 41376 1% 10% 150
5 PHYS CHEM THEORY GRP 36579 0% 84% 16
6 GWC2 29560 0% 78% 14
7 GRP CHIM THEOR 27826 0% 49% 21
8 GUELPH WATERLOO WORK CHEM 27766 1% 16% 64
9 KIMIKA FAK 22027 0% 16% 50
10 THEORET CHEM 21558 2% 3% 284

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 425543 11% 12% 1325
2 THEORETICA CHIMICA ACTA 166817 3% 21% 292
3 JOURNAL OF CHEMICAL PHYSICS 107540 16% 2% 1868
4 JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM 79139 5% 5% 580
5 CHEMICAL PHYSICS LETTERS 48240 8% 2% 927
6 THEORETICAL CHEMISTRY ACCOUNTS 43881 2% 8% 216
7 JOURNAL OF COMPUTATIONAL CHEMISTRY 41343 3% 5% 311
8 ADVANCES IN QUANTUM CHEMISTRY 31106 1% 13% 89
9 JOURNAL OF MATHEMATICAL CHEMISTRY 28042 1% 6% 166
10 MOLECULAR PHYSICS 26746 3% 3% 338

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SLATER TYPE ORBITALS 310100 1% 91% 126 Search SLATER+TYPE+ORBITALS Search SLATER+TYPE+ORBITALS
2 OVERLAP INTEGRALS 117469 1% 63% 69 Search OVERLAP+INTEGRALS Search OVERLAP+INTEGRALS
3 EXPONENTIAL TYPE ORBITALS 86966 0% 97% 33 Search EXPONENTIAL+TYPE+ORBITALS Search EXPONENTIAL+TYPE+ORBITALS
4 MOLECULAR INTEGRALS 81668 0% 79% 38 Search MOLECULAR+INTEGRALS Search MOLECULAR+INTEGRALS
5 ATOMS IN MOLECULES 75888 1% 35% 79 Search ATOMS+IN+MOLECULES Search ATOMS+IN+MOLECULES
6 MULTIREFERENCE 74005 0% 62% 44 Search MULTIREFERENCE Search MULTIREFERENCE
7 VALENCE BOND 69181 0% 55% 46 Search VALENCE+BOND Search VALENCE+BOND
8 MULTICENTER INTEGRALS 68664 0% 90% 28 Search MULTICENTER+INTEGRALS Search MULTICENTER+INTEGRALS
9 ELECTRON LOCALIZATION FUNCTION 68132 1% 40% 63 Search ELECTRON+LOCALIZATION+FUNCTION Search ELECTRON+LOCALIZATION+FUNCTION
10 VALENCE BOND THEORY 66204 0% 54% 45 Search VALENCE+BOND+THEORY Search VALENCE+BOND+THEORY

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 2


rank cluster_id2 link
1 573 JOURNAL OF CHEMICAL THEORY AND COMPUTATION//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//QUANTUM THEORY GRP
2 2666 FUKUI FUNCTION//CONCEPTUAL DFT//EENHEID ALGEMENE CHEM
3 93 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//JOURNAL OF CHEMICAL PHYSICS//CHEMISTRY, PHYSICAL
4 2654 ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS//RHENIUMIV COMPLEXES//ENERGY ENGN SYST ANAL DIRECTORATE
5 2022 JOURNAL OF MOLECULAR SPECTROSCOPY//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//NITROGEN CLUSTERS
6 2259 ELECTRON MOMENTUM SPECTROSCOPY//JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA//CORE EXCITATION
7 2053 HALOGEN BONDING//SIGMA HOLE//CHALCOGEN BOND
8 3030 TOTAL PRESSURE MEASUREMENTS//GAS PHASE ELECTRON DIFFRACTION//SEKT SPEKTREN STRUKTURDOKUMENTAT
9 2993 ESR ENDOR SPECTRA//ELECTRON SPIN RESONANCE-A SPECIALIST PERIODICAL REPORT//DISTONIC DIMER RADICAL CATION
10 4216 POTENTIAL ENERGY PROFILE//GERMANIUM CARBON//CYCLOADDITIONAL REACTION

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