Spectroscopy — Solid state electrical conductivity studies on manganese-molybdenum Schiff base polymer

Measurement evidence

Spectroscopy

Solid state electrical conductivity studies on manganese-molybdenum Schiff base polymer · Suganya S., Xavier F.P., Nagaraja K.S. · Bulletin of Materials Science · 1998 · 403-407

3 measurement groups · 5 results

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

EPR spectroscopy, Varian E-4 X-band spectrometer

dark yellow manganese-molybdenum Schiff base polymer solid · Powder

Powder form at room temperature

Temperature
room temperature
Geometry
powder
Context
pristine polymer
Measurement source
404 · 2. Synthesis of the sample
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
EPR metal-centre assignmentno Mo(V) signal; ill-defined fine-line pattern due to Mn(II); interpreted as Mn(II) and Mo(VI)Text
Qualitative
406 · 4. Results and discussion

solid-state IR spectroscopy using KBr pellet, Perkin-Elmer model 983

dark yellow manganese-molybdenum Schiff base polymer solid · Powder

4000-40 cm^-1 spectral range

Geometry
KBr pellet
Context
pristine polymer
Measurement source
404 · 2. Synthesis of the sample · Figure 3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
azomethine C=N IR band1610 cm^-1Text
Rounded Reported
406 · 4. Results and discussion · Figure 3
phenolic oxygen IR band1100 cm^-1Text
Rounded Reported
406 · 4. Results and discussion · Figure 3
weak trans dioxo molybdenum band900 cm^-1Text
Rounded Reported
406 · 4. Results and discussion · Figure 3

1H NMR spectroscopy, Hitachi R-600 high resolution spectrometer

dark yellow manganese-molybdenum Schiff base polymer solid · Powder

1H NMR spectrum of coordination polymer

Context
pristine polymer
Measurement source
404 · 2. Synthesis of the sample · Figure 4
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
1H NMR coordination assignmentsupports coordination of azomethine nitrogen and aromatic structureText
Qualitative
406 · 4. Results and discussion · Figure 4