def _create_water_vapour():
name = "<STR_LIT>"<EOL>namel = name.lower().replace("<STR_LIT:U+0020>", "<STR_LIT:->")<EOL>mm = M("<STR_LIT>")  <EOL>ds_dict = _create_ds_dict([<EOL>f"<STR_LIT>"])<EOL>active_ds = f"<STR_LIT>"<EOL>model_dict = {<EOL>"<STR_LIT>": IgRhoT(mm, <NUM_LIT>),<EOL>"<STR_LIT>": IgBetaT()}<EOL>model_type = "<STR_LIT>"<EOL>for property in ["<STR_LIT>", "<STR_LIT>", "<STR_LIT:k>"]:<EOL><INDENT>name = f"<STR_LIT>"<EOL>model_dict[property] = PolynomialModelT.read(_path(name))<EOL><DEDENT>material = Material(name, StateOfMatter.gas, model_dict)<EOL>return material, ds_dict<EOL>
Create a dictionary of datasets and a material object for water vapour.

:return: (Material, {str, DataSet})