A Variable Temperature Study of the π–π Stacking Interaction in the Co-Crystal Naphthalene-Octafluoronaphthalene

Table 2: Selected bond distances (Å) and angles (°) for naphthalene-octafluoronaphthalene, 1.^a

	100 K	150 K	200 K	250 K	294 [³²]
C(1)—C(1)	1.431(4)	1.433(3)	1.427(4)	1.433(4)	1.423(6)
C(1)—C(2)	1.415(3)	1.412(3)	1.412(3)	1.409(3)	1.415(6)
C(2)—C(3)	1.359(3)	1.360(3)	1.356(3)	1.357(3)	1.358(5)
C(3)—C(4)	1.393(3)	1.392(3)	1.390(3)	1.392(3)	1.374(6)
C(4)—C(5)	1.359(3)	1.361(2)	1.358(3)	1.355(3)	1.343(6)
C(5)—C(1)	1.414(3)	1.411(3)	1.413(3)	1.415(3)	1.419(6)
C(2)—F(2)	1.338(2)	1.341(2)	1.338(2)	1.337(2)	1.336(5)
C(3)—F(3)	1.342(2)	1.337(2)	1.342(2)	1.338(2)	1.342(5)
C(4)—F(4)	1.338(2)	1.343(2)	1.339(2)	1.339(2)	1.344(5)
C(5)—F(5)	1.344(2)	1.339(2)	1.341(2)	1.340(2)	1.336(4)
C(11)—C(11)	1.426(4)	1.428(4)	1.418(4)	1.418(4)	1.405(7)
C(11)—C(12)	1.423(3)	1.418(3)	1.420(3)	1.417(3)	1.423(7)
C(12)—C(13)	1.371(3)	1.364(3)	1.364(3)	1.362(3)	1.357(7)
C(13)—C(14)	1.408(3)	1.407(3)	1.397(3)	1.401(4)	1.390(6)
C(14)—C(15)	1.368(3)	1.367(3)	1.368(3)	1.362(3)	1.359(6)
C(15)—C(11)	1.421(3)	1.418(3)	1.418(3)	1.418(3)	1.421(6)
C(1)—C(1)—C(2)	118.3(2)	118.3(2)	118.5(2)	118.5(2)	118.4
C(1)—C(2)—C(3)	121.1(2)	121.3(2)	121.1(2)	121.3(2)	120.7
C(2)—C(3)—C(4)	120.7(2)	120.4(2)	120.6(2)	120.4(2)	120.5
C(3)—C(4)—C(5)	120.3(2)	120.5(2)	120.4(2)	120.5(2)	121.5
C(4)—C(5)—C(1)	121.4(2)	121.3(2)	121.3(2)	121.4(2)	120.9
C(5)—C(1)—C(1)	118.2(2)	118.3(2)	118.1(2)	117.9(2)	118.0
C(2)—C(1)—C(5)	123.4(2)	123.4(2)	123.4(2)	123.6(2)	123.6
C(11)—C(11)—C(12)	118.8(2)	118.6(2)	118.8(2)	119.0(2)	119.6
C(11)—C(12)—C(13)	120.5(2)	121.0(2)	120.5(2)	120.7(2)	119.8
C(12)—C(13)—C(14)	120.6(2)	120.4(2)	120.7(2)	120.9(2)	120.6
C(13)—C(14)—C(15)	120.5(2)	120.4(2)	120.6(2)	120.5(2)	121.4
C(14)—C(15)—C(11)	120.6(2)	120.8(2)	120.4(2)	120.9(2)	119.6
C(15)—C(11)—C(11)	119.0(2)	118.8(2)	119.0(2)	118.4(2)	119.1
C(12)—C(11)—C(15)	122.2(2)	122.6(2)	122.2(2)	122.5(2)	121.4

^a Estimated standard deviations are given in parentheses.