Class information for:
Level 1: MULTIREFERENCE//COUPLED CLUSTER THEORY//MULTIREFERENCE PERTURBATION THEORY

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

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MULTIREFERENCE authKW 257667 1% 59% 42
2 COUPLED CLUSTER THEORY authKW 168315 2% 32% 50
3 MULTIREFERENCE PERTURBATION THEORY authKW 166926 1% 62% 26
4 COUPLED CLUSTER authKW 166417 2% 30% 53
5 SIZE CONSISTENCY authKW 161930 1% 71% 22
6 QUANTUM THEORY PROJECT address 142394 4% 12% 119
7 COUPLED CLUSTER METHOD authKW 140589 1% 34% 40
8 JOURNAL OF CHEMICAL PHYSICS journal 127827 34% 1% 1033
9 PHYS CHEM THEORY GRP address 122824 0% 79% 15
10 SIZE EXTENSIVITY authKW 122824 0% 79% 15

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Atomic, Molecular & Chemical 119103 77% 1% 2326
2 Chemistry, Physical 51731 84% 0% 2549
3 Mathematics, Interdisciplinary Applications 5310 10% 0% 300
4 Chemistry, Multidisciplinary 128 7% 0% 226
5 Optics 53 3% 0% 100
6 Physics, Mathematical 6 1% 0% 34
7 Computer Science, Interdisciplinary Applications 2 1% 0% 28
8 Physics, Multidisciplinary 1 2% 0% 65
9 Mathematical & Computational Biology -0 0% 0% 9
10 Computer Science, Hardware & Architecture -2 0% 0% 5

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 QUANTUM THEORY PROJECT 142394 4% 12% 119
2 PHYS CHEM THEORY GRP 122824 0% 79% 15
3 GWC2 112937 0% 78% 14
4 GUELPH WATERLOO WORK CHEM 64902 2% 13% 50
5 ELECT STRUCT THEORY GRP 44209 0% 47% 9
6 WILLIAM R WILEY ENVIRONM MOL SCI 41653 1% 11% 38
7 RAMAN ATOM MOL OPT SCI 40446 1% 19% 21
8 GWC 39089 0% 54% 7
9 GUELPH WATERLOO WORK CHEM GWC2 31757 0% 44% 7
10 COMPUTAT MOL SCI TECHNOL 31569 1% 13% 24

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF CHEMICAL PHYSICS 127827 34% 1% 1033
2 INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 77734 10% 3% 290
3 THEORETICA CHIMICA ACTA 57873 3% 6% 88
4 CHEMICAL PHYSICS LETTERS 43173 15% 1% 445
5 JOURNAL OF CHEMICAL THEORY AND COMPUTATION 19768 3% 2% 97
6 MOLECULAR PHYSICS 18713 5% 1% 144
7 THEORETICAL CHEMISTRY ACCOUNTS 15664 2% 2% 66
8 ADVANCES IN QUANTUM CHEMISTRY 11766 1% 4% 28
9 JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM 5531 3% 1% 79
10 JOURNAL OF COMPUTATIONAL CHEMISTRY 4723 2% 1% 54

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 MULTIREFERENCE 257667 1% 59% 42 Search MULTIREFERENCE Search MULTIREFERENCE
2 COUPLED CLUSTER THEORY 168315 2% 32% 50 Search COUPLED+CLUSTER+THEORY Search COUPLED+CLUSTER+THEORY
3 MULTIREFERENCE PERTURBATION THEORY 166926 1% 62% 26 Search MULTIREFERENCE+PERTURBATION+THEORY Search MULTIREFERENCE+PERTURBATION+THEORY
4 COUPLED CLUSTER 166417 2% 30% 53 Search COUPLED+CLUSTER Search COUPLED+CLUSTER
5 SIZE CONSISTENCY 161930 1% 71% 22 Search SIZE+CONSISTENCY Search SIZE+CONSISTENCY
6 COUPLED CLUSTER METHOD 140589 1% 34% 40 Search COUPLED+CLUSTER+METHOD Search COUPLED+CLUSTER+METHOD
7 SIZE EXTENSIVITY 122824 0% 79% 15 Search SIZE+EXTENSIVITY Search SIZE+EXTENSIVITY
8 METHOD OF MOMENTS OF COUPLED CLUSTER EQUATIONS 103723 0% 100% 10 Search METHOD+OF+MOMENTS+OF+COUPLED+CLUSTER+EQUATIONS Search METHOD+OF+MOMENTS+OF+COUPLED+CLUSTER+EQUATIONS
9 BRILLOUIN WIGNER PERTURBATION THEORY 72606 0% 100% 7 Search BRILLOUIN+WIGNER+PERTURBATION+THEORY Search BRILLOUIN+WIGNER+PERTURBATION+THEORY
10 QUASI DEGENERATE STATES 72606 0% 100% 7 Search QUASI+DEGENERATE+STATES Search QUASI+DEGENERATE+STATES

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 1


rank cluster_id2 link
1 28569 LOWDINS PAIRING THEOREM//ORTHOGONAL GRADIENT METHOD//PAIRING THEOREM
2 17146 CONTRACTED SCHRODINGER EQUATION//REDUCED DENSITY MATRICES//NATURAL ORBITAL FUNCTIONAL
3 25675 LOCALIZATION TENSOR//TOTAL POSITION SPREAD//BERYLLIUM DIMER
4 4198 HALL ATWATER S CHEM//BASIS SET EXTRAPOLATION//CORRELATION CONSISTENT BASIS SETS
5 6796 ELONGATION METHOD//QLE THEORET CHEM//FRAGMENT MOLECULAR ORBITAL METHOD
6 18388 CLASS SUMS//ANTISYMMETRIC A PARTICLE STATES//COEFFICIENT OF FRACTIONAL PARENTAGE
7 18646 ELECTRON REPULSION INTEGRALS//BOYS FUNCTION//GLOBAL ARRAYS
8 18081 BROKEN SYMMETRY APPROACH//DDCI//BROKEN SYMMETRY THEORY
9 14678 VALENCE BOND//VALENCE BOND THEORY//GRP CHIM THEOR
10 4625 RELATIVISTIC BASIS SETS//CORRELATING FUNCTIONS//RELATIVISTIC EFFECTS

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