[
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            ]
        } 
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            "source-unit" "angstrom" 
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            "si-unit" "K" 
            "source-unit" "K" 
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            "source-value" 0
        } 
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        } 
        "basis-atom-coordinates" {
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                ] 
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        } 
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            "source-unit" "GPa" 
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                0.0 
                0.0 
                0.0 
                0.0 
                0.0 
                0.0
            ] 
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            ]
        } 
        "species" {
            "source-value" [
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                "Nb"
            ]
        } 
        "instance-id" 1
    } 
    {
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            "source-value" [
                "hcp"
            ]
        } 
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        } 
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        } 
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        } 
        "basis-atom-coordinates" {
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                ] 
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        } 
        "species" {
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            ]
        } 
        "instance-id" 2
    }
]