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Enum: CatalystTypeEnum

Types of catalysts

URI: valuesets:CatalystTypeEnum

Permissible Values

Value Title Meaning Description Activation Examples Function Mechanism Metal Free Phase Sites Specificity Type
HOMOGENEOUS Catalyst in same phase as reactants acid, base, metal complexes same as reactants
HETEROGENEOUS Catalyst in different phase from reactants Pt/Pd on carbon, zeolites different from reactants
ENZYME cofactor CHEBI:23357 Biological catalyst high protein
ORGANOCATALYST Small organic molecule catalyst proline, thiourea true
PHOTOCATALYST Light-activated catalyst light TiO2, Ru complexes
PHASE_TRANSFER Catalyst facilitating reaction between phases transfers reactant between phases
ACID Acid catalyst proton donation
BASE Base catalyst proton abstraction
METAL Metal catalyst Pd, Pt, Ni, Ru
BIFUNCTIONAL Catalyst with two active sites multiple

Slots

Name Description
catalyst_type Types of catalysts

Identifier and Mapping Information

Schema Source

  • from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: CatalystTypeEnum
instantiates:
- valuesets_meta:ValueSetEnumDefinition
description: Types of catalysts
title: Catalyst Type
from_schema: https://w3id.org/linkml/valuesets
contributors:
- orcid:0000-0002-6601-2165
- https://github.com/anthropics/claude-code
status: DRAFT
rank: 1000
permissible_values:
  HOMOGENEOUS:
    text: HOMOGENEOUS
    description: Catalyst in same phase as reactants
    annotations:
      phase:
        tag: phase
        value: same as reactants
      examples:
        tag: examples
        value: acid, base, metal complexes
  HETEROGENEOUS:
    text: HETEROGENEOUS
    description: Catalyst in different phase from reactants
    annotations:
      phase:
        tag: phase
        value: different from reactants
      examples:
        tag: examples
        value: Pt/Pd on carbon, zeolites
  ENZYME:
    text: ENZYME
    description: Biological catalyst
    meaning: CHEBI:23357
    annotations:
      type:
        tag: type
        value: protein
      specificity:
        tag: specificity
        value: high
    title: cofactor
  ORGANOCATALYST:
    text: ORGANOCATALYST
    description: Small organic molecule catalyst
    annotations:
      metal_free:
        tag: metal_free
        value: 'true'
      examples:
        tag: examples
        value: proline, thiourea
  PHOTOCATALYST:
    text: PHOTOCATALYST
    description: Light-activated catalyst
    annotations:
      activation:
        tag: activation
        value: light
      examples:
        tag: examples
        value: TiO2, Ru complexes
  PHASE_TRANSFER:
    text: PHASE_TRANSFER
    description: Catalyst facilitating reaction between phases
    annotations:
      function:
        tag: function
        value: transfers reactant between phases
  ACID:
    text: ACID
    description: Acid catalyst
    annotations:
      mechanism:
        tag: mechanism
        value: proton donation
  BASE:
    text: BASE
    description: Base catalyst
    annotations:
      mechanism:
        tag: mechanism
        value: proton abstraction
  METAL:
    text: METAL
    description: Metal catalyst
    annotations:
      examples:
        tag: examples
        value: Pd, Pt, Ni, Ru
  BIFUNCTIONAL:
    text: BIFUNCTIONAL
    description: Catalyst with two active sites
    annotations:
      sites:
        tag: sites
        value: multiple