Spectroscopy — A conducting coordination polymer based on assembled Cu9 cages

Measurement evidence

Spectroscopy

A conducting coordination polymer based on assembled Cu9 cages · Delgado S., Sanz Miguel P.J., Priego J.L. et al. · Inorganic Chemistry · 2008 · 9128-9130

5 measurement groups · 12 results

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

Electrospray ionisation mass spectrometry of reaction dissolutions

compound 1 yellow crystals · Single Crystal

All dissolutions were examined by ESI-MS to support the proposed bond-cleavage/recombination mechanism.

Context
reaction mixture/solution species from compound 1 and 2 synthesis
Measurement source
main p.3, article p.9130 · main text
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
ESI-MS peak assigned to monoprotonated 2-dpsm/z 189.05Text
Exact Reported
main p.3, article p.9130 · main text
ESI-MS peak attributed to deprotonated 2,2'-bipym/z 158.01Text
Exact Reported
main p.3, article p.9130 · main text
ESI-MS peak attributed to deprotonated 2-dpdsm/z 221.02Text
Exact Reported
main p.3, article p.9130 · main text

Solid-state photoluminescence spectroscopy

compound 1 yellow crystals · Single Crystal

Emission spectra of solid compound 1 under photoexcitation at 350 nm in main text; SI methods state JASCO FP-6500 with diode laser emission at 355 nm and sample holder for powders at 298 K.

Temperature
298
Geometry
solid sample holder for powders
Context
pristine framework
Measurement source
main p.3, article p.9130 · main text · Figure SI-3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
compound 1 emission maximum600 nm upon photoexcitation at 350 nmText
Exact Reported
main p.3, article p.9130 · main text · Figure SI-3

Solid-state photoluminescence spectroscopy

free 2-dpds ligand solid · Powder

Emission spectrum of solid free 2-dpds ligand under 350 nm excitation, used as reference for compound 1.

Temperature
298
Geometry
solid sample holder for powders
Context
reference molecular ligand
Measurement source
main p.3, article p.9130 · main text · Figure SI-3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
2-dpds ligand emission maximum609 nm upon photoexcitation at 350 nmText
Exact Reported
main p.3, article p.9130 · main text · Figure SI-3

Diffuse reflectance UV-visible spectroscopy

compound 1 yellow crystals · Single Crystal

Solid-state UV-vis absorption spectrum measured on compound 1.

Context
pristine framework
Measurement source
main p.3, article p.9130 · main text
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
compound 1 visible absorptionlittle absorption in the visible rangeQualitative
Qualitative
main p.3, article p.9130 · main text

X-ray photoelectron spectroscopy (VG Escalab 200 R)

compound 1 powder pellet for XPS · Pellet

Measured at 298 K under UHV around 10-8 Pa with nonmonochromatized Mg Kalpha source at 10 kV and 10 mA; C 1s binding energy used as internal standard.

Temperature
298
Atmosphere
UHV, 10-8 Pa range
Geometry
pressed powder pellet
Context
pristine framework
Measurement source
SI p.S-1 and S-6 · Materials and Methods · Figure SI-1; Tables SI-1 and SI-2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Cu 2p1/2 binding energy952.4 eVText
Exact Reported
main p.3, article p.9130 · main text · Figure SI-1
Cu 2p3/2 binding energy932.6 eVSI Table
Exact Reported
SI p.S-6 · Table SI-1 · Table SI-1
N 1s binding energy400.8 eVSI Table
Exact Reported
SI p.S-6 · Table SI-1 · Table SI-1
S 2p binding energy163.0 eVSI Table
Exact Reported
SI p.S-6 · Table SI-1 · Table SI-1
XPS surface atomic ratio N/CuN/Cu at 1.18SI Table
Exact Reported
SI p.S-6 · Table SI-2 · Table SI-2
XPS surface atomic ratio S/CuS/Cu at 1.67SI Table
Exact Reported
SI p.S-6 · Table SI-2 · Table SI-2