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            "inchi": "InChI=1/H2O/h1H2",
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        },
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            "cas": "7440-23-5",
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            "smiles": "[Na+]"
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    {
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                0.0
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    {
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                0.0
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    {
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                0.0
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                0.0,
                0.0,
                0.0
            ]
        }
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    {
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        },
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            "cas": "24203-36-9",
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                0.0
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        }
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                0.0
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        }
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                0.0
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                0.0
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        "id1": {
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        "id1": {
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                0.0
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        "id1": {
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                0.0
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        "id1": {
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        "id1": {
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    {
        "id1": {
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            "smiles": "[F-]"
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        "id1": {
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                0.0
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        "id1": {
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        "id1": {
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            "smiles": "[I-]"
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    {
        "id1": {
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                0.0
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    {
        "id1": {
            "cas": "14797-55-8",
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                0.0
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    {
        "id1": {
            "cas": "7440-23-5",
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        "id1": {
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        "id1": {
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    {
        "id1": {
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    },
    {
        "id1": {
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            "smiles": "[F-]"
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        "id1": {
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        "id1": {
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            "smiles": "[K+]"
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                0.0
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    {
        "id1": {
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            "smiles": "[I-]"
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        "id1": {
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        "id1": {
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        "id1": {
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        "id1": {
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            "name": "carbonate",
            "formula": "CO3",
            "smiles": "O=C([O-])[O-]"
        },
        "model_record": {
            "k_ij": [
                1.0,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "24203-36-9",
            "name": "potassium ion",
            "formula": "K",
            "smiles": "[K+]"
        },
        "id2": {
            "cas": "72-52-3",
            "name": "hydrogen-carbonate",
            "formula": "HCO3",
            "smiles": "C(=O)(O)[O-]"
        },
        "model_record": {
            "k_ij": [
                -0.476,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "16984-48-8",
            "name": "fluoride ion",
            "formula": "F",
            "smiles": "[F-]"
        },
        "id2": {
            "cas": "18459-37-5",
            "name": "cesium ion",
            "formula": "Cs",
            "smiles": "[Cs+]"
        },
        "model_record": {
            "k_ij": [
                1.0,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "16887-00-6",
            "name": "chloride ion",
            "formula": "Cl",
            "smiles": "[Cl-]"
        },
        "id2": {
            "cas": "18459-37-5",
            "name": "cesium ion",
            "formula": "Cs",
            "smiles": "[Cs+]"
        },
        "model_record": {
            "k_ij": [
                -0.417,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "24959-67-9",
            "name": "bromide ion",
            "formula": "Br",
            "smiles": "[Br-]"
        },
        "id2": {
            "cas": "18459-37-5",
            "name": "cesium ion",
            "formula": "Cs",
            "smiles": "[Cs+]"
        },
        "model_record": {
            "k_ij": [
                -0.67,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "20461-54-5",
            "name": "iodide ion",
            "formula": "I",
            "smiles": "[I-]"
        },
        "id2": {
            "cas": "18459-37-5",
            "name": "cesium ion",
            "formula": "Cs",
            "smiles": "[Cs+]"
        },
        "model_record": {
            "k_ij": [
                -1.0,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "14797-55-8",
            "name": "nitrate ion",
            "formula": "NO3",
            "smiles": "[N+](=O)([O-])[O-]"
        },
        "id2": {
            "cas": "18459-37-5",
            "name": "cesium ion",
            "formula": "Cs",
            "smiles": "[Cs+]"
        },
        "model_record": {
            "k_ij": [
                -0.855,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "14280-30-9",
            "name": "hydroxide",
            "formula": "OH",
            "smiles": "[OH-]"
        },
        "id2": {
            "cas": "18459-37-5",
            "name": "cesium ion",
            "formula": "Cs",
            "smiles": "[Cs+]"
        },
        "model_record": {
            "k_ij": [
                0.564,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "16887-00-6",
            "name": "chloride ion",
            "formula": "Cl",
            "smiles": "[Cl-]"
        },
        "id2": {
            "cas": "14798-03-9",
            "name": "ammonium ion",
            "formula": "NH4",
            "smiles": "[NH4+]"
        },
        "model_record": {
            "k_ij": [
                -0.566,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "24959-67-9",
            "name": "bromide ion",
            "formula": "Br",
            "smiles": "[Br-]"
        },
        "id2": {
            "cas": "14798-03-9",
            "name": "ammonium ion",
            "formula": "NH4",
            "smiles": "[NH4+]"
        },
        "model_record": {
            "k_ij": [
                -0.639,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "20461-54-5",
            "name": "iodide ion",
            "formula": "I",
            "smiles": "[I-]"
        },
        "id2": {
            "cas": "14798-03-9",
            "name": "ammonium ion",
            "formula": "NH4",
            "smiles": "[NH4+]"
        },
        "model_record": {
            "k_ij": [
                -0.787,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "14797-73-0",
            "name": "perchlorate ion",
            "formula": "ClO4",
            "smiles": "[O-]Cl(=O)(=O)=O"
        },
        "id2": {
            "cas": "14798-03-9",
            "name": "ammonium ion",
            "formula": "NH4",
            "smiles": "[NH4+]"
        },
        "model_record": {
            "k_ij": [
                -1.0,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "14797-55-8",
            "name": "nitrate ion",
            "formula": "NO3",
            "smiles": "[N+](=O)([O-])[O-]"
        },
        "id2": {
            "cas": "14798-03-9",
            "name": "ammonium ion",
            "formula": "NH4",
            "smiles": "[NH4+]"
        },
        "model_record": {
            "k_ij": [
                -0.419,
                0.0,
                0.0,
                0.0
            ]
        }
    },
    {
        "id1": {
            "cas": "14798-03-9",
            "name": "ammonium ion",
            "formula": "NH4",
            "smiles": "[NH4+]"
        },
        "id2": {
            "cas": "14066-20-7",
            "name": "dihydrogenphosphate ion",
            "formula": "H2PO4",
            "smiles": "OP(=O)(O)[O-]"
        },
        "model_record": {
            "k_ij": [
                -1.0,
                0.0,
                0.0,
                0.0
            ]
        }
    }
]