Other — Reversible iodine absorption of nonporous coordination polymer Cu(TCNQ)

Measurement evidence

Other

Reversible iodine absorption of nonporous coordination polymer Cu(TCNQ) · Miyao K., Funabiki A., Takahashi K. et al. · New Journal of Chemistry · 2014 · 739-743

8 measurement groups · 19 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

reaction-time/composition observation from iodine absorption experiments

Cu(TCNQ)I4 from phase I by liquid-phase iodine absorption · Powder

comparison of solid-state and liquid-phase iodine absorption/desorption rates for phase I and phase II Cu(TCNQ)

Temperature
285 for liquid-phase recipe where specified
Atmosphere
not explicitly stated
Geometry
powder reaction observation with XRD/TG confirmation
Context
pristine phase I/II transformed to iodine-loaded salts
Measurement source
p001-p003 / article pages 739-741 · Results · Fig. 2; Fig. 6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
hexane desorption time to Cu(TCNQ)Iproducing Cu(TCNQ)I in 40 days960 hText
Exact Reported
p002 / article page 740 · Results · Fig. 2
reaction outcome under airreactions under air produced only heterogeneous mixtures containing hygroscopic materialsText
Qualitative
p004 / article page 742 · Experimental
liquid-phase phase II iodine loading after two monthsn approximately 0.7 after two monthsapproximatelyText
Approximate
p003 / article page 741 · Results
liquid-phase phase I time to Cu(TCNQ)I4within two weeks336 hwithinText
Approximate
p003 / article page 741 · Results · Fig. 6
solid-state grinding time to Cu(TCNQ)I4within 30 min0.5 hwithinText
Approximate
p001 / article page 739 · Results · Fig. 2

elemental analysis, Yanaco MT5 analyser

Cu(TCNQ)I4 from phase I by liquid-phase iodine absorption · Powder

analysis of iodine-loaded product assigned as C12H4N4CuI4

Geometry
bulk elemental analysis
Context
iodine-loaded salt
Measurement source
p004 / article page 742 · Experimental
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
found carbon content for C12H4N4CuI4 productC found 18.84% (calcd 18.54%)calcd 18.54%Text
Exact Reported
p004 / article page 742 · Experimental
found hydrogen content for C12H4N4CuI4 productH found 1.17% (calcd 0.52%)calcd 0.52%Text
Exact Reported
p004 / article page 742 · Experimental
found nitrogen content for C12H4N4CuI4 productN found 7.25% (calcd 7.23%)calcd 7.23%Text
Exact Reported
p004 / article page 742 · Experimental

thermogravimetric analysis

Cu(TCNQ)I4 from phase I by liquid-phase iodine absorption · Powder

Cu(TCNQ)I4 prepared by liquid-phase reaction of phase I Cu(TCNQ)

Temperature
about 323-563
Atmosphere
nitrogen, based on Experimental TG method
Geometry
TG trace
Context
liquid-phase guest-loaded iodine salt
Measurement source
p003 / article page 741 · Iodine absorption by liquid-phase reaction · Fig. S5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
first TG weight loss for liquid-phase Cu(TCNQ)I452.1% first large weight loss labelled in Fig. S5Figure Axis
Approximate
p002 · Supporting Information · Fig. S5
total TG weight loss for liquid-phase phase I-derived Cu(TCNQ)I465.9% total weight lossText
Exact Reported
p003 / article page 741 · Results · Fig. S5

thermogravimetric analysis, Rigaku TG 8120, 1 K min-1

Cu(TCNQ)I4 from phase II by solid-state grinding · Powder

Cu(TCNQ)I4 prepared by solid-state reaction of phase II Cu(TCNQ); heating under nitrogen

Temperature
about 333-503
Atmosphere
nitrogen
Geometry
TG trace
Context
guest-loaded iodine salt
Measurement source
p002 / article page 740 · Results · Fig. S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
first TG weight loss for solid-state phase II-derived Cu(TCNQ)I459.0% first-step weight loss labelled in SI Fig. S2calculated value labelled 58.9%Figure Axis
Approximate
p001 · Supporting Information · Fig. S2
total TG weight loss for solid-state phase II-derived Cu(TCNQ)I465.1% total weight lossText
Exact Reported
p002 / article page 740 · Results · Fig. S2

thermogravimetric analysis, Rigaku TG 8120, 1 K min-1

Cu(TCNQ)I4 from phase I by solid-state grinding · Powder

Cu(TCNQ)I4 prepared by solid-state reaction of phase I Cu(TCNQ); heating under nitrogen

Temperature
333-503
Atmosphere
nitrogen
Geometry
TG trace
Context
guest-loaded iodine salt
Measurement source
p002 / article page 740 · Results; Experimental · Fig. 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
first TG weight loss for solid-state phase I-derived Cu(TCNQ)I449.4% weight loss from 60-120 C, assigned to desorption of three iodine atomsText
Exact Reported
p002 / article page 740 · Results · Fig. 4
second TG weight loss for solid-state phase I-derived Cu(TCNQ)I415.3% weight loss from 120-230 C, assigned to desorption of one iodine atomText
Exact Reported
p002 / article page 740 · Results · Fig. 4
total TG weight loss for solid-state phase I-derived Cu(TCNQ)I464.7% total weight loss labelled in Fig. 4calculated value labelled 65.5% in figureFigure Axis
Approximate
p002 / article page 740 · Results · Fig. 4

thermogravimetric analysis

Cu(TCNQ)I2 from phase II by stepwise solid-state iodine addition · Powder

Cu(TCNQ)I2 from solid-state reaction of phase II

Temperature
about 323-493
Atmosphere
nitrogen, based on Experimental TG method
Geometry
TG trace
Context
guest-loaded intermediate
Measurement source
p002 / article page 740 · Results · Fig. S4b
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
total TG weight loss for Cu(TCNQ)I2 from phase II47.6% continuous weight loss labelled in Fig. S4bcalculated value 48.7%Figure Axis
Approximate
p002 · Supporting Information · Fig. S4

thermogravimetric analysis

Cu(TCNQ)I2 from phase I by stepwise solid-state iodine addition · Powder

Cu(TCNQ)I2 from solid-state reaction of phase I

Temperature
about 323-493
Atmosphere
nitrogen, based on Experimental TG method
Geometry
TG trace
Context
guest-loaded intermediate
Measurement source
p002 · Supporting Information · Fig. S4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
first TG weight loss for Cu(TCNQ)I2 from phase I23.5% first-step weight loss labelled in Fig. S4acalculated value 24.3%Figure Axis
Approximate
p002 · Supporting Information · Fig. S4
total TG weight loss for Cu(TCNQ)I2 from phase I44.8% total weight loss labelled in Fig. S4acalculated value 48.7%Figure Axis
Approximate
p002 · Supporting Information · Fig. S4

X-ray fluorescence analysis, Shimadzu EDX-720

regenerated phase I Cu(TCNQ) after iodine desorption by annealing · Powder

amount of CuI in product after iodine desorption from phase I sample

Geometry
XRF elemental/phase impurity estimate
Context
regenerated Cu(TCNQ) after iodine desorption
Measurement source
p002 and p004 / article pages 740 and 742 · Results; Experimental · Fig. 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
CuI impurity in phase I-derived desorbed productabout 3% CuIaboutText
Approximate
p002 / article page 740 · Results · Fig. 3