Spectroscopy — Semiconducting Manganese-Bipyridyl Coordination Polymer via a Manganese-Metal-Nanoparticle Approach

4 measurement groups · 12 results

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

FT-IR spectroscopy and elemental analysis

Infrared spectroscopy Bulk elemental and compositional analysis

As-prepared Mn(0) nanoparticles · Powder

Powder samples analysed for nanoparticle surface functionalisation; compared with THF, toluene and naphthalene references.

Context: Mn(0) nanoparticle precursor
Measurement source: 3 · Results and Discussion - Mn(0) Nanoparticles · Figure 3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Elemental analysis carbon content	8.1 wt % C	—	—	Text Exact Reported	3 · Results and Discussion - Mn(0) Nanoparticles · Figure 3a
Elemental analysis hydrogen content	0.9 wt % H	—	—	Text Exact Reported	3 · Results and Discussion - Mn(0) Nanoparticles · Figure 3a

FT-IR spectroscopy and elemental analysis

Infrared spectroscopy Bulk elemental and compositional analysis

As-prepared 1 containing residual NaCl · Powder

As-prepared compound 1 was analysed without separation of NaCl for elemental analysis; FT-IR spectra compared with 2,2'-bipy and 4,4'-bipy references.

Atmosphere: air-tight/inert handling for air-sensitive material
Context: As-prepared 1 with residual NaCl impurity
Measurement source: S2,S7 · Elemental analysis; Characterization · Figure S2b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Experimental C:N ratio	4.4	—	—	Text Exact Reported	S7 · Characterization
Elemental analysis carbon content of as-prepared 1	59.7 wt-% C	—	—	Text Exact Reported	S7 · Characterization
Elemental analysis hydrogen content of as-prepared 1	4.2 wt-% H	—	—	Text Exact Reported	S7 · Characterization
Elemental analysis nitrogen content of as-prepared 1	13.5 wt-% N	—	—	Text Exact Reported	S7 · Characterization
Elemental analysis sulphur content of as-prepared 1	0 wt-% S	—	—	Text Exact Reported	S7 · Characterization
FT-IR ligand assignment	2,2'-bipy and 4,4'-bipy present; no other ligands such as THF or H2O	—	—	Text Qualitative	S7 · Characterization · Figure S2b

UV-vis optical spectroscopy/reflectance

UV-visible and optical absorption spectroscopy

Black-red shiny metallic crystals of 1 · Single Crystal

UV-vis spectrum measured from 220-850 nm using an integrating sphere against BaSO4; 0.5 mg of 1 was mortared with 50 mg BaSO4 and held air-tight under inert conditions.

Context: Pristine coordination polymer
Measurement source: 4-5 · Optical Properties and Electrical Conductivity · Figure 6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Optical band gap upper limit	<1.5 eV	—	upper bound	Text Range	4 · Optical Properties and Electrical Conductivity · Figure 6a
UV absorption minimum	238 nm	—	—	Text Exact Reported	4 · Optical Properties and Electrical Conductivity · Figure 6a
UV absorption minimum	273 nm	—	—	Text Exact Reported	4 · Optical Properties and Electrical Conductivity · Figure 6a

Mn K-edge XANES spectroscopy

X-ray absorption spectroscopy

Black-red shiny metallic crystals of 1 · Single Crystal

Mn K-edge XANES spectra of 1 recorded in transmission mode at SUL-X and compared with MnCl2, Mn(acac)3 and MnO2 references for Mn(+II), Mn(+III) and Mn(+IV).

Context: Pristine coordination polymer
Measurement source: 4-5 · [Na2Mn2(4,4'-bipy)7(2,2'-bipy)4] Coordination Polymer · Figure 5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Manganese oxidation state from XANES	Mn2+ / Mn(+II)	—	—	Text Exact Reported	4 · [Na2Mn2(4,4'-bipy)7(2,2'-bipy)4] Coordination Polymer · Figure 5