Photolysis#

Photolysis reactions take the form:

\[\ce{X + h $\nu$ -> Y_1 ( + Y_2 \dots )}\]

where $\ce{X}$ is the species being photolyzed, and $\ce{Y_n}$ are the photolysis products.

Photolysis rate constants (including the $\ce{h $\nu$}$ term) are constant over the solver time step. A conforming implementation of version 1.0 of the configuration will provide ways to set the photolysis rate constant using the name of the reaction.

Input data for photolysis reactions have the following format:

YAML

type: PHOTOLYSIS
name: foo-photo
gas phase: gas
scaling factor: 1.2
reactants:
  - species name: foo
    coefficient: 1.0
products:
  - species name: bar
    coefficient: 0.5
  - species name: baz
    coefficient: 0.3

JSON

{
    "type": "PHOTOLYSIS",
    "name": "foo-photo",
    "gas phase": "gas",
    "scaling factor": 1.2,
    "reactants": [
        {
            "species name": "foo",
            "coefficient": 1.0
        }
    ],
    "products": [
        {
            "species name": "bar",
            "coefficient": 0.5
        },
        {
            "species name": "baz",
            "coefficient": 0.3
        }
    ]
}

The key-value pairs reactants and products are required. There should be exactly one reactant, which is the species being photolyzed. Any number of products may be present. Products without a specified coefficient are assumed to have a coefficient of 1.0.

The gas phase key is required and must be set to the name of the phase the reaction takes place in. Each reactant and product must be present in the specified phase.

The scaling factor is optional and can be used to set a constant scaling factor for the rate constant. When the scaling factor is not provided, it is assumed to be 1.0.

Rate constants are in units of $\mathrm{s}^{-1}$.

Photolysis#

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