[
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            "si-unit" "m" 
            "si-value" 3.0828e-10
        } 
        "parameter-names" {
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                0.2 
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        } 
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            "si-unit" "kg m^2 / s^2" 
            "si-value" -1.030600119819752e-18
        } 
        "binding-potential-energy-per-formula" {
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            "si-unit" "kg m^2 / s^2" 
            "si-value" -2.061200239639504e-18
        } 
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    } 
    {
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            ] 
            "source-unit" "eV/angstrom^3" 
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            "si-value" [
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        } 
        "temperature" {
            "source-value" 0.0 
            "source-unit" "K" 
            "si-unit" "K" 
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        } 
        "coordinates-file" {
            "source-value" "instance-2.poscar"
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    }
]