AFPM-EXAM-2-into-to-MOFS

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Who Pioneered MOFs

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31 Terms

1

Who Pioneered MOFs

Omar Yaghi

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2

What Does MOF stand for

metal-organic framework

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3

Define a MOF

crystalline compound consisting of metal ions or clusters coordinated to often ridged organic molecules to form 1, 2, or 3 d structures that can be porous

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4

What are hybrid frameworks

another name for MOFs

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5

what are coordination polymers

another name for MOFs

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6

What is MOF-5 made of

ZnO4 tetrahedra joined by benzene dicarboxylate linkers

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7

What is the Structure of MOF-5

extended 3D cubic framework with interconnected pores of 8 A aperture width and 12 A pore diameter

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8

What is the topology of MOF-5

cubic net

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9

Are MOFS or zeolites more flexible

MOFs

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10

Are MOFs or zeolites more chemically diverse

MOFs

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11

Are you able to synthesize MOFs or zeolites at room temp

MOFs

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12

Do you need to calcine MOFs to remove the template

No

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13

Do MOFs are zeolites have a broader range of textual properties (pore size, surface area, pore volume)

MOFs

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14

Do MOFs are zeolites have higher surface area

MOFs

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15

What does ZIFs stand for

Zeolite Imidazolate Frameworks

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16

How do ZIFs compare to zeolites (SiO4, AlO4)

Transition metal atoms (Zn, Co) replace T atoms and imidazolates replace bridging oxygen atoms

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17

What is the aperture size and pore size of ZIF-8

aperture size: 0.34 nm pore size: 1.16 nm

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18

What are some examples of CoN4 ZIFs aperture and pore size

Aperture size: 0.34 nm, pore size: 1.04 nm Aperture size: 0.34 nm, pore size: 1.16 nm

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19

What is an example of ZnN4 ZIF aperture and pore size

Aperture size: 0.29 nm, pore size: 0.36 nm

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20

What are the important properties of ZIFS

high surface area (100-4500 m^2/g) thermal/chemical stability microporous crystalline structures (functionality) polar walls (uncoordinated N atoms)

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21

What does BioMOFs stand for

Bio-metal-organic frameworks

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22

What is the relationship between MOFs and BioMOFS

BioMOFS are MOFS with metal ions coordinate with at least one biomolecule serving as organic linker forming a crystalline porous framework

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23

What type of biomolecules make up BioMOFs

aminoacids, peptides, proteins, saccharides, and nucleobases

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24

What is BioMOF-1 made of

Cages consist of 8 Zn2+ cations with 4 adeninate liners columns composed of octahedral cages columns interconnected with biphenyldicarboxylate linkers

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25

What is the structure of BioMOF-1

tetragonal lattice crystal system pore size ~(5.2 A)

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26

What is BioMOF-11 made of

two Co2+ bridged via two adeninate and two acetate groups cobalt-adeninate-acetate clusters

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27

What is the structure of BioMOF-11

paddle wheel clusters Aperture: 5.2 A pore size: 5.8 A

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28

What are some properties of BioMOF-11

High CO2 uptake multidentate stable (decomp temp ~200 C)

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29

What is the timeline of most common synthetic route of MOFs from oldest to newest

solvothermal electrochemistry hydrothermal microwave/mechanochemistry sonochemical/template isothermal spray dryer/sol gel supercritical flow chemistry

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30

What makes MOFs attractive for gas storgae

their huge surface areas

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31

What can MOFs be used for

gas storage gas separation acid-base catalysis catalysis

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