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Conical intersection: Characters, Local characterization & Overview

In quantum chemistry, a conical intersection of two or more potential energy surfaces is the set of molecular geometry points where the potential energy surfaces are degenerate (intersect) and the non-adiabatic couplings between these states are non-vanishing. In the vicinity of conical intersections, the Born–Oppenheimer approximation breaks down and…

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Conical intersection topic overview

The analysis highlights Characters, Local characterization and Overview as prominent areas in the source structure around Conical intersection.

Related topics
32
Source areas
4
Connected nodes
36
Extracted relationships
61
Concept neighborhoods
17
Bridge connections
36

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 17 topics
Local characterization · 12 topics
Categorization by symmetry of intersecting electronic states · 2 topics
Experimental observation · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Experimental observation

Local characterization

Categorization by symmetry of intersecting electronic states

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Conical intersection connects Entity context

The extracted context around Conical intersection shows recurring relationship patterns in the source. For example, Conical intersection → Advanced Series, Baer, Beyond Born, Bibcode, Born, Computation, Conical Intersections, David, Diabolical Conical Intersections, Domcke, Dynamics, Electronic Nonadiabatic Coupling Terms, Electronic Structure, Experiment, Horst, ISBN, Köppel, Lock-gray-alt-2, Lock-green, Lock-red-alt-2 Another extracted example is Conical intersection → C3h, C3v, Conical, Coulomb Hamiltonian, D3h, For, It, Jahn, Symmetry-required, Teller, When. Use these groups to spot repeated connection types before inspecting the individual relationships.

Conical intersection

Top relations

see also · 36
Conical intersection → Advanced Series, Baer, Beyond Born, Bibcode, Born, Computation, Conical Intersections, David, Diabolical Conical Intersections, Domcke, Dynamics, Electronic Nonadiabatic Coupling Terms, Electronic Structure, Experiment, Horst, ISBN, Köppel, Lock-gray-alt-2, Lock-green, Lock-red-alt-2
related to Categorization by symmetry of intersecting electronic states · 11
Conical intersection → C3h, C3v, Conical, Coulomb Hamiltonian, D3h, For, It, Jahn, Symmetry-required, Teller, When
related to Local characterization · 7
Conical intersection → Conical, If, In, Instead, The, This, Without
is a · 3
Conical intersection → intersection between two electronic states carrying the same multidimensional irreducible representation, intersection between two electronic states that carry different point group symmetry, intersection between two electronic states that carry the same point group symmetry
related to External links · 3
Conical intersection → Computational Organic PhotochemistryPotential Energy, Conical Intersections, Surfaces
related to Experimental observation · 1
Conical intersection → In

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

conical intersections states electronic intersection two space symmetry energy degeneracy non-adiabatic point potential molecular coupling seam important points degenerate group

Conical intersection relationships Subject–Predicate–Object triples

TTTA extracted 61 structured relationships around Conical intersection. Examples in this analysis include Conical intersection → is a → intersection between two electronic states carrying the same multidimensional irreducible representation and Conical intersection → is a → intersection between two electronic states that carry different point group symmetry. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Conical intersectionis aintersection between two electronic states carrying the same multidimensional irreducible representation0.90text
Conical intersectionis aintersection between two electronic states that carry different point group symmetry0.90text
Conical intersectionis aintersection between two electronic states that carry the same point group symmetry0.90text
Conical intersectionrelated to Categorization by symmetry of intersecting electronic statesConical0.60section
Conical intersectionrelated to Categorization by symmetry of intersecting electronic statesWhen0.60section
Conical intersectionrelated to Categorization by symmetry of intersecting electronic statesCoulomb Hamiltonian0.60section
Conical intersectionrelated to Categorization by symmetry of intersecting electronic statesFor0.60section
Conical intersectionrelated to Categorization by symmetry of intersecting electronic statesC3h0.60section
Conical intersectionrelated to Categorization by symmetry of intersecting electronic statesC3v0.60section
Conical intersectionrelated to Categorization by symmetry of intersecting electronic statesD3h0.60section
Conical intersectionrelated to Categorization by symmetry of intersecting electronic statesIt0.60section
Conical intersectionrelated to Categorization by symmetry of intersecting electronic statesSymmetry-required0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Conical intersection bring nearby vocabulary together. In this analysis, examples include Intersections, Intersection and Electronic. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Conical intersection
    • Intersections
    • Intersection
    • Electronic
    • Couplings
    • States
    • Two
    • Important
    • Symmetry-allowed
    • Coupling
    • Molecular
    • Number
    • Non-adiabatic
  • conical intersection
    • Intersections
    • Intersection
    • Electronic
    • Two
    • Couplings
    • States
    • Potential
    • Non-adiabatic
    • Point
    • Energy
    • Uv
    • Important
  • potential energy surfaces
    • Potential
    • Surfaces
    • Points
    • Non-adiabatic
    • Two
    • Couplings
    • Degenerate
    • Molecular
    • Intersection
    • Point
    • Called
    • Coupling
  • molecular geometry
    • Molecular
    • Points
    • Two
    • Example
    • Potential
    • Vectors
    • Symmetry
    • Couplings
    • Degenerate
    • Surfaces
    • Uv
    • Also
  • electronic ground state
    • States
    • Symmetry
    • Two
    • Uv
    • Point
    • State
    • Vibronic
    • Group
    • Intersection
    • Molecules
    • Non-adiabatic
    • Energy
  • categorization by symmetry of intersecting electronic states
    • Electronic
    • States
    • Symmetry
    • Two
    • Group
    • Point
    • State
    • Intersection
    • Non-adiabatic
    • Energy
    • Intersections
    • Symmetry-allowed
  • transition states
    • Electronic
    • Symmetry
    • Two
    • Group
    • Point
    • Intersections
    • Also
    • Called
    • Different
    • Important
    • Symmetry-allowed
    • Degeneracy
  • molecular vibrations
    • Points
    • Potential
    • Two
    • Uv
    • Also
    • Called
    • State
    • Different
    • Molecules
    • Number
    • Vectors
    • States

Connections between topic areas Semantic bridges

For Conical intersection, one of the stronger structural bridges in this analysis connects Conical intersection with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Conical intersection — Overview · splits 19 ⟂ 18
Conical intersection — Local characterization · splits 24 ⟂ 13
Conical intersection — Categorization by symmetry of intersecting electronic states · splits 34 ⟂ 3

Map overview Semantic statistics

Conical intersection

Nodes37
Edges36
Triples61
Avg. degree1.95
Density0.054054
Components1

Source & methodology

TTTA analyzes the structure around Conical intersection to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Characters, Local characterization & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Conical intersection · EN edition · Analysis: TopicsToTalkAbout

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