Spectroscopy — CO2-Sensitive Porous Magnet: Antiferromagnet Creation from a Paramagnetic Charge-Transfer Layered Metal-Organic Framework

Measurement evidence

Spectroscopy

CO2-Sensitive Porous Magnet: Antiferromagnet Creation from a Paramagnetic Charge-Transfer Layered Metal-Organic Framework · Zhang J., Kosaka W., Liu Q. et al. · Journal of the American Chemical Society · 2023 · 26179-26189

2 measurement groups · 5 results

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

In situ infrared spectroscopy under controlled CO2 atmosphere

Activated crystals of compound 1 · Single Crystal

Transmission FT-IR through CaF2 windows; 100 kPa CO2; cooled from 300 to 195 K and heated from 270 to 290 K.

Temperature
195-300
Atmosphere
100 kPa CO2
Geometry
neat samples between CaF2 plates in cryostat
Context
electronic-state transition from 1 to 1-CO2
Measurement source
p005 · In Situ IR Spectroscopy · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
IR C-N bands for 1e-I state of 1-CO22186 and 2124 cm-1Text
Exact Reported
p005 · In Situ IR Spectroscopy · Figure 3
IR C-N bands for 2e-I state of 12184, 2156, 2063, and 2038 cm-1Text
Exact Reported
p005 · In Situ IR Spectroscopy · Figure 3

In situ Raman spectroscopy

Activated crystals of compound 1 · Single Crystal

Raman spectra measured for 1 under air at STP and for 1-CO2 under 100 kPa CO2 at 240 K.

Temperature
240 for CO2-loaded spectrum
Atmosphere
air at STP; 100 kPa CO2
Geometry
crystal/powder Raman sample not otherwise specified
Context
pristine and guest-loaded framework comparison
Measurement source
S32 · Raman spectra measurements for 1 and 1-CO2 · Figure S18
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Raman C=C bands for 1-CO21549 and 1403 cm-1 vs 1600, 1415, and 1328 cm-1 for 1Text
Exact Reported
S32 · Raman spectra measurements · Figure S18
Raman C-N bands for parent 12160 and 2069 cm-1Text
Exact Reported
S32 · Raman spectra measurements · Figure S18
Raman C-N bands for 1-CO22212 and 2151 cm-1Text
Exact Reported
S32 · Raman spectra measurements · Figure S18