# network

Fortran module: `network`

## Parameters

User-configurable parameters (can be set via `param_dict`):

| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| `beta` | `float64[(3421,)]` | `array(3421,)` |  |
| `bindingenergy` | `float64[(166,)]` | `array(166,)` |  |
| `diffusionbarrier` | `float64[(166,)]` | `array(166,)` |  |
| `exothermicities` | `float64[(3421,)]` | `array(3421,)` |  |
| `formationenthalpy` | `float64[(166,)]` | `array(166,)` |  |
| `gama` | `float64[(3421,)]` | `array(3421,)` |  |
| `inertiaproducts` | `float64[(166,)]` | `array(166,)` |  |
| `moleculeislinear` | `int32[(166,)]` | `array(166,)` |  |
| `storeratescomputation` | `<class 'numpy.ndarray'>` | `0` |  |
| `surfgrowthuncorrected` | `<class 'numpy.ndarray'>` | `0.0` |  |

## Constants (Read-Only)

Fortran PARAMETER constants (compile-time values):

| Constant | Type | Value |
|----------|------|-------|
| `alpha` | `float64[(3421,)]` | `array(3421,)` |
| `atomcounts` | `int32[(335,)]` | `array(335,)` |
| `bulklist` | `int32[(83,)]` | `array(83,)` |
| `bulkswapreacs` | `int32[(2,)]` | `[ 1 83]` |
| `crphotreacs` | `int32[(2,)]` | `[124 363]` |
| `crpreacs` | `int32[(2,)]` | `[ 84 123]` |
| `crsreacs` | `int32[(2,)]` | `[99999 99999]` |
| `customvdes` | `float64[(166,)]` | `array(166,)` |
| `customvdiff` | `float64[(166,)]` | `array(166,)` |
| `descrreacs` | `int32[(2,)]` | `[364 446]` |
| `desoh2reacs` | `int32[(2,)]` | `[447 529]` |
| `desorbreacs` | `int32[(2,)]` | `[99999 99999]` |
| `deuvcrreacs` | `int32[(2,)]` | `[530 612]` |
| `edreacs` | `int32[(2,)]` | `[613 614]` |
| `elem_count` | `int32[(335, 9)]` | `array(335, 9)` |
| `elem_names` | `bytes16[(9,)]` | `array(9,)` |
| `enablechemicalheating` | `<class 'numpy.ndarray'>` | `0` |
| `erdescorrespondingerreacs` | `int32[(2,)]` | `[615 615]` |
| `erdesreacs` | `int32[(2,)]` | `[616 616]` |
| `erreacs` | `int32[(2,)]` | `[615 615]` |
| `exrelaxreacs` | `int32[(2,)]` | `[99999 99999]` |
| `exsolidreacs` | `int32[(2,)]` | `[99999 99999]` |
| `extrapolaterates` | `int32[(3421,)]` | `array(3421,)` |
| `freezepartners` | `int32[(83,)]` | `array(83,)` |
| `freezereacs` | `int32[(2,)]` | `[617 783]` |
| `garparams` | `float64[(6, 7)]` | `array(6, 7)` |
| `garreacs` | `int32[(2,)]` | `[784 789]` |
| `gasicelist` | `int32[(166,)]` | `array(166,)` |
| `h2formreacs` | `int32[(2,)]` | `[790 790]` |
| `icelist` | `int32[(166,)]` | `array(166,)` |
| `ionopol1reacs` | `int32[(2,)]` | `[99999 99999]` |
| `ionopol2reacs` | `int32[(2,)]` | `[99999 99999]` |
| `lhdescorrespondinglhreacs` | `int32[(56,)]` | `array(56,)` |
| `lhdesreacs` | `int32[(2,)]` | `[883 938]` |
| `lhreacs` | `int32[(2,)]` | `[791 882]` |
| `mass` | `float64[(335,)]` | `array(335,)` |
| `maxtemps` | `float64[(3421,)]` | `array(3421,)` |
| `mintemps` | `float64[(3421,)]` | `array(3421,)` |
| `monofractions` | `float64[(83,)]` | `array(83,)` |
| `n13c` | `<class 'numpy.ndarray'>` | `336` |
| `n15n` | `<class 'numpy.ndarray'>` | `336` |
| `n18o` | `<class 'numpy.ndarray'>` | `336` |
| `n_elem_tracked` | `<class 'numpy.ndarray'>` | `9` |
| `nbulk` | `<class 'numpy.ndarray'>` | `334` |
| `nc` | `<class 'numpy.ndarray'>` | `9` |
| `nch3oh` | `<class 'numpy.ndarray'>` | `79` |
| `ncl` | `<class 'numpy.ndarray'>` | `95` |
| `nclx` | `<class 'numpy.ndarray'>` | `96` |
| `nco` | `<class 'numpy.ndarray'>` | `50` |
| `ncx` | `<class 'numpy.ndarray'>` | `10` |
| `nd` | `<class 'numpy.ndarray'>` | `336` |
| `nelec` | `<class 'numpy.ndarray'>` | `333` |
| `nf` | `<class 'numpy.ndarray'>` | `336` |
| `nfe` | `<class 'numpy.ndarray'>` | `336` |
| `ngh` | `<class 'numpy.ndarray'>` | `167` |
| `ngh2` | `<class 'numpy.ndarray'>` | `168` |
| `ngn` | `<class 'numpy.ndarray'>` | `173` |
| `ngo` | `<class 'numpy.ndarray'>` | `178` |
| `ngoh` | `<class 'numpy.ndarray'>` | `180` |
| `nh` | `<class 'numpy.ndarray'>` | `1` |
| `nh2` | `<class 'numpy.ndarray'>` | `3` |
| `nh2o` | `<class 'numpy.ndarray'>` | `32` |
| `nhe` | `<class 'numpy.ndarray'>` | `6` |
| `nhex` | `<class 'numpy.ndarray'>` | `7` |
| `nhx` | `<class 'numpy.ndarray'>` | `2` |
| `nli` | `<class 'numpy.ndarray'>` | `336` |
| `nmg` | `<class 'numpy.ndarray'>` | `38` |
| `nmgx` | `<class 'numpy.ndarray'>` | `39` |
| `nn` | `<class 'numpy.ndarray'>` | `15` |
| `nna` | `<class 'numpy.ndarray'>` | `336` |
| `nnx` | `<class 'numpy.ndarray'>` | `16` |
| `no` | `<class 'numpy.ndarray'>` | `25` |
| `nox` | `<class 'numpy.ndarray'>` | `26` |
| `np` | `<class 'numpy.ndarray'>` | `336` |
| `npah` | `<class 'numpy.ndarray'>` | `336` |
| `nr_c_hv` | `<class 'numpy.ndarray'>` | `1067` |
| `nr_co_hv` | `<class 'numpy.ndarray'>` | `1111` |
| `nr_efreeze` | `<class 'numpy.ndarray'>` | `666` |
| `nr_h2_crp` | `<class 'numpy.ndarray'>` | `120` |
| `nr_h2_ed` | `<class 'numpy.ndarray'>` | `614` |
| `nr_h2_hv` | `<class 'numpy.ndarray'>` | `1117` |
| `nr_h2form_ct` | `<class 'numpy.ndarray'>` | `790` |
| `nr_h2form_er` | `<class 'numpy.ndarray'>` | `615` |
| `nr_h2form_erdes` | `<class 'numpy.ndarray'>` | `616` |
| `nr_h2form_lh` | `<class 'numpy.ndarray'>` | `797` |
| `nr_h2form_lhdes` | `<class 'numpy.ndarray'>` | `891` |
| `nr_h2freeze` | `<class 'numpy.ndarray'>` | `669` |
| `nr_h_ed` | `<class 'numpy.ndarray'>` | `613` |
| `nr_hfreeze` | `<class 'numpy.ndarray'>` | `667` |
| `ns` | `<class 'numpy.ndarray'>` | `83` |
| `nsi` | `<class 'numpy.ndarray'>` | `56` |
| `nsix` | `<class 'numpy.ndarray'>` | `57` |
| `nsurface` | `<class 'numpy.ndarray'>` | `335` |
| `nsx` | `<class 'numpy.ndarray'>` | `84` |
| `p1` | `int32[(3421,)]` | `array(3421,)` |
| `p2` | `int32[(3421,)]` | `array(3421,)` |
| `p3` | `int32[(3421,)]` | `array(3421,)` |
| `p4` | `int32[(3421,)]` | `array(3421,)` |
| `photonreacs` | `int32[(2,)]` | `[ 939 1205]` |
| `re1` | `int32[(3421,)]` | `array(3421,)` |
| `re2` | `int32[(3421,)]` | `array(3421,)` |
| `re3` | `int32[(3421,)]` | `array(3421,)` |
| `reducedmasses` | `float64[(3421,)]` | `array(3421,)` |
| `refractorylist` | `int32[(1,)]` | `[-999]` |
| `solidfractions` | `float64[(83,)]` | `array(83,)` |
| `specname` | `bytes56[(335,)]` | `array(335,)` |
| `surfacelist` | `int32[(83,)]` | `array(83,)` |
| `surfswapreacs` | `int32[(2,)]` | `[1206 1287]` |
| `thermreacs` | `int32[(2,)]` | `[1288 1453]` |
| `three_phase` | `<class 'numpy.ndarray'>` | `1` |
| `twobodyreacs` | `int32[(2,)]` | `[1454 3421]` |
| `volcanicfractions` | `float64[(83,)]` | `array(83,)` |

## Internal Variables

```{dropdown} Internal solver variables (advanced)
| Variable | Type | Current Value |
|----------|------|---------------|
| `reactionrate` | `float64[(1,)]` | `[0.]` |
```

## Runtime Access

Access `network` parameters at runtime using `uclchem.advanced.GeneralSettings()`.
See [Accessing Fortran Parameters](index.html#accessing-fortran-parameters-at-runtime) on the main Fortran API page for examples.