GS energy in the bulk configuration: -233.50320695 (Ry)
GS energy in the surface configuration: -233.55762890 (Ry)
GS energy in the layer(-1) configuration: -233.52789398 (Ry)

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FS shift for the surface atom: .74013852 (eV)
FS shift for the layer(-1) atom: .33574360 (eV)