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. 2017 Feb 24;51(6):3461–3470. doi: 10.1021/acs.est.7b00107

Table 4. Molecular Vibrational Frequencies (in cm–1) of Adsorbed As(OH)3 at Water–FeS Interfaces.

    ν(As–O)
 ν(O–H)
surface configuration As–O1 As–O2 As–O3 O1–H O2–H O2–H
  free As(OH)3 700.8 (710)71 639.1 (655)71 638.3 (655)71 3738.1 3711.5 3674.7
FeS(001) As–up–outer 695.1 620.7 585.8 3465.9 3182.9 3140.5
FeS(011) Fe–AsO–Fe 580.2 501.5 488.9 3715.1 3670.9 2829.1
FeS(111) Fe–O–Fe 673.5 616.5 456.1 3731.2 3204.2 2884.3