Skip to content
Weave templates

Materials — crystal lattice types and packing

Metallic, ionic and covalent-network solids side by side: the four metal packings with their coordination numbers and packing fractions, the classic ionic structure types with their stoichiometric ratios, and diamond against graphite.

Template previewWeave
Rendering…

Make it your own.

{
  "nodes": [
    { "id": "metal", "type": "iso-cube", "label": "Metallic — cations in an e⁻ sea", "x": 215, "y": 40, "width": 150, "height": 104, "fill": "#dbeafe", "stroke": "#1d4ed8", "bold": true },
    { "id": "sc", "type": "iso-cube", "label": "Simple cubic — CN 6, APF 0.52 (α-Po)", "x": 390, "y": 40, "width": 150, "height": 104, "fill": "#fef3c7", "stroke": "#a16207" },
    { "id": "fcc", "type": "iso-cube", "label": "FCC — CN 12, APF 0.74 (Cu, Al)", "x": 565, "y": 40, "width": 150, "height": 104, "fill": "#fef3c7", "stroke": "#a16207", "bold": true },
    { "id": "abc", "type": "layers", "label": "FCC stacking is ABCABC", "x": 740, "y": 40, "width": 150, "height": 104, "fill": "#e0f2fe", "stroke": "#0369a1" },
    { "id": "slip", "type": "bar-chart", "label": "FCC has 12 slip systems — ductile", "x": 915, "y": 40, "width": 150, "height": 104, "fill": "#e0f2fe", "stroke": "#0369a1" },
    { "id": "bcc", "type": "iso-cube", "label": "BCC — CN 8, APF 0.68 (α-Fe, W)", "x": 390, "y": 200, "width": 150, "height": 104, "fill": "#fef3c7", "stroke": "#a16207" },
    { "id": "hcp", "type": "honeycomb", "label": "HCP — CN 12, APF 0.74 (Mg, Zn)", "x": 565, "y": 200, "width": 150, "height": 104, "fill": "#fef3c7", "stroke": "#a16207" },
    { "id": "abab", "type": "layers", "label": "HCP stacking is ABAB", "x": 740, "y": 200, "width": 150, "height": 104, "fill": "#e0f2fe", "stroke": "#0369a1" },
    { "id": "root", "type": "iso-cube", "label": "Crystalline solid — long-range order", "x": 40, "y": 360, "width": 150, "height": 104, "fill": "#f1f5f9", "stroke": "#475569", "bold": true },
    { "id": "ionic", "type": "iso-cube", "label": "Ionic — 3-D lattice of ions", "x": 215, "y": 360, "width": 150, "height": 104, "fill": "#dbeafe", "stroke": "#1d4ed8", "bold": true },
    { "id": "nacl", "type": "honeycomb", "label": "Rock salt NaCl — 6:6 octahedral", "x": 390, "y": 360, "width": 150, "height": 104, "fill": "#dcfce7", "stroke": "#15803d" },
    { "id": "zns", "type": "tetrahedron", "label": "Zinc blende ZnS — 4:4 tetrahedral", "x": 565, "y": 360, "width": 150, "height": 104, "fill": "#dcfce7", "stroke": "#15803d" },
    { "id": "radius", "type": "gauge-chart", "label": "Radius ratio r₊/r₋ picks the hole", "x": 740, "y": 360, "width": 150, "height": 104, "fill": "#e0f2fe", "stroke": "#0369a1" },
    { "id": "cscl", "type": "iso-cube", "label": "Caesium chloride — 8:8, simple cubic", "x": 390, "y": 520, "width": 150, "height": 104, "fill": "#dcfce7", "stroke": "#15803d" },
    { "id": "caf2", "type": "iso-cube", "label": "Fluorite CaF₂ — 8:4", "x": 565, "y": 520, "width": 150, "height": 104, "fill": "#dcfce7", "stroke": "#15803d" },
    { "id": "covalent", "type": "iso-cube", "label": "Covalent network", "x": 215, "y": 680, "width": 150, "height": 104, "fill": "#dbeafe", "stroke": "#1d4ed8", "bold": true },
    { "id": "diamond", "type": "tetrahedron", "label": "Diamond — sp³ tetrahedral network", "x": 390, "y": 680, "width": 150, "height": 104, "fill": "#ede9fe", "stroke": "#6d28d9" },
    { "id": "graphite", "type": "layers", "label": "Graphite — sheets held by dispersion", "x": 565, "y": 680, "width": 150, "height": 104, "fill": "#ede9fe", "stroke": "#6d28d9" }
  ],
  "edges": [
    { "id": "e1", "source": "root", "target": "metal", "thickness": 2.5 },
    { "id": "e2", "source": "root", "target": "ionic", "thickness": 2.5 },
    { "id": "e3", "source": "root", "target": "covalent", "thickness": 2.5 },
    { "id": "e4", "source": "metal", "target": "sc" },
    { "id": "e5", "source": "metal", "target": "bcc" },
    { "id": "e6", "source": "metal", "target": "fcc", "thickness": 2.5 },
    { "id": "e7", "source": "metal", "target": "hcp" },
    { "id": "e8", "source": "fcc", "target": "abc", "label": "close-packed", "style": "dashed" },
    { "id": "e9", "source": "hcp", "target": "abab", "label": "close-packed", "style": "dashed" },
    { "id": "e10", "source": "fcc", "target": "slip", "label": "why it is ductile", "style": "dashed" },
    { "id": "e11", "source": "ionic", "target": "nacl" },
    { "id": "e12", "source": "ionic", "target": "cscl" },
    { "id": "e13", "source": "ionic", "target": "zns" },
    { "id": "e14", "source": "ionic", "target": "caf2" },
    { "id": "e15", "source": "nacl", "target": "radius", "label": "r₊/r₋ = 0.56", "style": "dashed" },
    { "id": "e16", "source": "covalent", "target": "diamond" },
    { "id": "e17", "source": "covalent", "target": "graphite" }
  ]
}