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. Author manuscript; available in PMC: 2021 Jun 29.
Published in final edited form as: J Am Chem Soc. 2018 Jan 23;140(5):1663–1673. doi: 10.1021/jacs.7b09453

Figure 4.

Figure 4.

(a) PFG NMR (7.1 T) spectra for Zn2(dobpdc) crystals (sample 1) at a pressure of 625 mbar 13CO2 with different applied gradient strengths (T = 25 °C). (b) Data and fit for results shown in (a) with PFG NMR signal decays shown as a function of crystal orientation, θ. The fit is represented as a meshed surface. Data points are shown as blue circles and are normalized to 1 for g = 0.05 T m−1 for all crystal orientations (note that this normalization results in more noisy data at intermediate θ values where absolute signal intensities are weaker, due to the small number of crystals at these orientations). (c) Self-diffusion coefficients obtained at 25 °C for Zn2(dobpdc) crystals (Sample 1) dosed with different pressures of 13CO2. The errors in these values arise from uncertainty in the fitting procedure, and represent 95% confidence limits.