上海交通大学：《大学化学》教学资源_加州理工课件学习_Series12CrystalsPart1

Crystals Part 1 References:Gray:Chapter 6 OGC:Chapters 21 &22 1

Crystals Part 1 References: Gray: Chapter 6 OGC: Chapters 21 & 22 XII-1

Aspects of Chemical Bonds Bonding in Chem 1a< Atomic Structure Explain Atomic Line Spectra,Galaxies,etc. Shapes of Orbitals in Atoms for Bonding lonization Energies and Trends in Chemical Reactivity (e.g.,Lit vs Li) 。 Which Molecules are Likely to Exist and Their Shapes and Reactivities (Ozone,Glo.Warm.) Magnetic and Bonding Properties of Molecules(Magnetic Tapes,Disks,etc.) Special Properties of Resonance Stabilization Directionality of Covalent Chemical Bonds Bonding in Solids XⅫ1-2

Aspects of Chemical Bonds Bonding in Chem 1a • Atomic Structure • Explain Atomic Line Spectra, Galaxies, etc. • Shapes of Orbitals in Atoms for Bonding • Ionization Energies and Trends in Chemical Reactivity (e.g., Li+ vs Li) • Which Molecules are Likely to Exist and Their Shapes and Reactivities (Ozone, Glo. Warm.) • Magnetic and Bonding Properties of Molecules (Magnetic Tapes, Disks, etc.) • Special Properties of Resonance Stabilization • Directionality of Covalent Chemical Bonds • Bonding in Solids XII-2

A Simple Cubic Lattice XⅫ1-3

A Simple Cubic Lattice XII-3

A Face-Centered Cubic Lattice 6 Face Atoms 8 Corner Atoms XⅫ1-4

A Face-Centered Cubic Lattice 6 Face Atoms 8 Corner Atoms XII-4

FCC Lattice of Metals and Insulators Metals Are“Closed Packed”Atomic Spheres Insulators Arise from Binary Compounds with “Holes”Filled in FCC Lattice XⅫ1-5

FCC Lattice of Metals and Insulators • Metals Are “Closed Packed” Atomic Spheres • Insulators Arise from Binary Compounds with “Holes” Filled in FCC Lattice XII-5

A Face-Centered Cubic Lattice XⅫI-6

A Face-Centered Cubic Lattice XII-6

Two Face-Centered Cubic Lattices Replicate the Original Lattice XⅫ-7

Two Face-Centered Cubic Lattices Replicate the Original Lattice XII-7

Two Face-Centered Cubic Lattices Offset the Lattice by 1/2 An Edge-Edge Distance Ⅻ1-8

Offset the Lattice by 1/2 An Edge-Edge Distance Two Face-Centered Cubic Lattices XII-8

Two Face-Centered Cubic Lattices Start to Interpenetrate the Two Lattices Ⅻ-9

Start to Interpenetrate the Two Lattices Two Face-Centered Cubic Lattices XII-9

Two Face-Centered Cubic Lattices Two Interpenetrating FCC Lattices X-10

Two Interpenetrating FCC Lattices Two Face-Centered Cubic Lattices XII-10