cyclo -Tetra-μ-fluorido-1:2κ 2F ;2:3κ 2F ;3:4κ 2F ;1:4κ 2F -octanitrato-1κ 8O , O ′;3κ 8O , O ′-tetrakis(1,10-phenanthroline)-2κ 4N , N ′;4κ 4N , N ′-2,4-dichromium(III)-1,3-dineodymium(III) methanol tetrasolvate monohydr