___________________________________ Computational data from the paper entitled "Water and Cu+ synergy in selective CO2 hydrogenation to methanol over Cu/MgO catalysts" by Estefanía Fernández Villanueva*, Pablo Germán Lustemberg, Minjie Zhao, Jose Soriano, Patricia Concepción, M. Verónica Ganduglia-Pirovano*. The calculations were carried out using the slab−supercell approach, with the Vienna Ab-initio Simulation Program (VASP, http://www.vasp.at; version 6.3.0). ____________________________________ The data is divided into two folders: - "Main": Contains the structures reported in the main text. - "SI": Contains the structures reported in the Supporting Information. Subsequent folders are named according to the specific Figure ("FigS1", for instance), section ("a", "b", etc) and name of the structure (for example, "FS"). All folders contain the INCAR, CONTCAR, KPOINTS and OUTCAR vasp files for the optimization calculation of the specific structure. List of structures: (Main) Fig1/a Fig1/b Fig1/c/Bidentate Fig1/c/Monodentate Fig2/a Fig2/b/IS Fig2/b/TS Fig2/b/FS Fig2/c/Bidentate Fig2/c/Monodentate Fig3/1 Fig3/2 Fig3/3 Fig3/4 Fig3/5 Fig3/6 Fig3/7 Fig3/8 Fig3/9 Fig3/10 Fig3/11 Fig3/12 Fig3/13 (SI) FigS1/a FigS1/b FigS1/c FigS1/d FigS2/a/S1 FigS2/a/S2 FigS2/a/S3 FigS2/a/S4 FigS2/a/S5 FigS2/a/S6 FigS2/a/S7 FigS2/a/S8 FigS2/b/S9 FigS2/b/S10 FigS2/b/S11 FigS2/b/S12 FigS2/b/S13 FigS2/b/S14 FigS2/b/S15 FigS2/b/S16 FigS2/b/S17 FigS2/b/S18 FigS2/b/S19 FigS2/b/S20 FigS2/c/S21 FigS2/c/S22 FigS2/c/S23 FigS2/c/S24 FigS2/c/S25 FigS2/c/S26 FigS2/c/S27 FigS2/c/S28 FigS2/c/S29 FigS3/a/S30 FigS3/a/S31 FigS3/a/S32 FigS3/a/S33 FigS3/a/S34 FigS3/b/S35 FigS3/b/S36 FigS3/b/S37 FigS3/b/S38 FigS3/b/S39 FigS3/b/S40 FigS3/b/S41 FigS3/c/S42 FigS3/c/S43 FigS3/c/S44 FigS3/c/S45 FigS3/c/S46 FigS3/c/S47 FigS3/c/S48 FigS4/a/S49 FigS4/a/S50 FigS4/a/S51 FigS4/b/S52 FigS4/b/S53 FigS4/b/S54 FigS4/b/S55 FigS4/c/S56 FigS4/c/S57 FigS4/c/S58 FigS4/d/S59 FigS4/d/S60 FigS4/d/S61 FigS4/d/S62 FigS8/a/S63 FigS8/a/S64 FigS8/a/S65 FigS8/a/S66 FigS8/a/S67 FigS8/a/S68 FigS8/a/S69 FigS8/b/S70 FigS8/b/S71 FigS9/Cu5_MgO(100) FigS9/Cu5_MgO(100)-1Mg FigS10/Spillover_FS FigS11/S72 FigS11/S73 FigS11/S74 FigS11/S75 FigS11/S76 FigS12/FS FigS12/TS FigS14/S77 FigS14/S78 FigS14/S79 FigS14/S80 FigS14/S81 FigS15/S82 FigS15/S83 FigS15/S84 FigS16/S85 FigS17/S86 FigS18/S87 FigS18/S88 FigS19/S89 FigS19/S90