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Figure 5
IR absorption spectra for the QTNiNO2 complex in the solid state recorded at 160 K. As indicted in the legend the green solid line denotes the ground-state structure, and the blue and red lines represent spectra recorded after 10 and 20 min after LED (660 nm centre wavelength) irradiation, respectively. Bottom panels show the 556 and 815 cm−1 bands [wagging ω(NO2) and scissoring δ(NO2) modes, respectively] behaviour in more detail.

IUCrJ
Volume 7| Part 6| November 2020| Pages 1188-1198
ISSN: 2052-2525
https://doi.org/10.1107/S205225252001307X