[
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        "property-id" "tag:staff@noreply.openkim.org,2023-02-21:property/binding-energy-crystal" 
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        "prototype-label" {
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        } 
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        } 
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        } 
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                "x2" 
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        } 
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            "si-unit" "kg m^2 / s^2" 
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        } 
        "binding-potential-energy-per-formula" {
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        } 
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            "source-value" "instance-1.poscar"
        }
    } 
    {
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        "prototype-label" {
            "source-value" "A2B_oP12_62_2c_c"
        } 
        "stoichiometric-species" {
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        } 
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            "source-unit" "eV/angstrom^3" 
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            "si-value" [
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        } 
        "temperature" {
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            "source-unit" "K" 
            "si-unit" "K" 
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        } 
        "coordinates-file" {
            "source-value" "instance-2.poscar"
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]