¢ ¥ ! ¡ § ¥ i 254 H h i 2 1 A A }| 9 D 4 A 4¤£ 6 2 f 684 ¥ 0.1910 0.1915 0.1920 0.1925 0.1930 0.1935 0.1940 0.1945 0.1950 0.1955 0.135 0.140 0.145 0.150 0.155 0.160 0.165 0.170 -4.0 -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 6.0 6.2 6.4 6.6 6.8 7.0 7.2 7.4 xc (cryst. units) ln(ρ), ln(∇2ρ) (a.u.) 1/a (bohr-1) a (bohr) ln(ρ) ln(∇2ρ) b-point position p 2¨6 f§¦ D H A©¨ i i n ¥ W( h 2 ¨ 684 T ¦7D 4RH Q 2 ¨BA 4! A I n " k $# 6% ¦5D 4 H D 1 H A 1 0.001 0.01 0.1 1 10 1.0 1.5 2.0 2.5 3.0 3.5 4.0 ρb (e/Å3) ROO (Å) aiPI: Several crystals aiPI interpolation Several molecules O2 (g) Crytalline regime Molecular regime −1.2 −1.0 −0.8 −0.6 −0.4 −0.2 0.0 0.2 0.4 2 3 4 5 6 7 8 arctg(∇2ρb /u) (u = 1 e/bohr5) ROO (bohr) O2 (g) Several crystals, aiPI Several molecules Shared Interactions Closed-shell Interactions C CxH F Ged1HQP @BC F P'& I & H~@ ( A£CDP) F G T10 2 @BCFE P C F H4365 & F F G G E P HGgCFd d5@BCxH @ T T E 5 @75 F H43!0