<p dir="ltr">This project used in-situ solid-state NMR to study the crystallization of urea and 1,10-decanediol from methanol. Two solid products were formed. A urea inclusion compound appeared first, followed by a co-crystal.</p><p dir="ltr">The data was acquired on a Bruker AVANCE III NMR spectrometer (20.0 T; <sup>13</sup>C Larmor frequency, 213.8 MHz) at the U.K. High-Field Solid-State NMR Facility.</p><p dir="ltr">The text files contain the real and imaginary parts of the 2D dataset. They were generated by the Bruker software "TopSpin".</p><p dir="ltr">The data can be viewed in any text editor and plotted in Excel or other similar programs. Mathematica was used to process the data for publication.</p>