Crystal structures of three co-crystals of 4,4′-bipyridyl with 4-alk­oxy­benzoic acids: 4-eth­oxy­benzoic acid–4,4′-bipyridyl (2/1), 4-n-propoxybenzoic acid–4,4′-bipyridyl (2/1) and 4-n-but­oxy­benzoic acid–4,4′-bipyridyl (2/1)

. 2015 Oct 7;71(Pt 11):1290–1295. doi: 10.1107/S2056989015018435

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
O1	0.0216 (3)	0.0188 (3)	0.0345 (4)	0.0023 (3)	0.0167 (3)	0.0000 (3)
O2	0.0200 (3)	0.0207 (3)	0.0274 (4)	−0.0013 (3)	0.0114 (3)	0.0013 (3)
O3	0.0148 (3)	0.0197 (3)	0.0238 (3)	0.0017 (2)	0.0099 (2)	0.0022 (2)
O4	0.0194 (3)	0.0226 (3)	0.0293 (4)	−0.0033 (3)	0.0136 (3)	−0.0007 (3)
O5	0.0217 (3)	0.0227 (3)	0.0293 (4)	0.0038 (3)	0.0117 (3)	−0.0003 (3)
O6	0.0165 (3)	0.0182 (3)	0.0276 (4)	−0.0019 (2)	0.0120 (3)	−0.0021 (3)
N1	0.0170 (3)	0.0235 (4)	0.0220 (4)	−0.0013 (3)	0.0086 (3)	−0.0038 (3)
N2	0.0168 (3)	0.0281 (4)	0.0228 (4)	0.0005 (3)	0.0088 (3)	0.0003 (3)
C1	0.0141 (4)	0.0167 (4)	0.0167 (4)	−0.0013 (3)	0.0053 (3)	−0.0030 (3)
C2	0.0152 (4)	0.0166 (4)	0.0198 (4)	0.0006 (3)	0.0052 (3)	−0.0012 (3)
C3	0.0163 (4)	0.0169 (4)	0.0207 (4)	−0.0003 (3)	0.0062 (3)	0.0019 (3)
C4	0.0134 (4)	0.0176 (4)	0.0165 (4)	−0.0009 (3)	0.0054 (3)	−0.0019 (3)
C5	0.0161 (4)	0.0157 (4)	0.0189 (4)	0.0009 (3)	0.0059 (3)	−0.0003 (3)
C6	0.0173 (4)	0.0165 (4)	0.0175 (4)	−0.0010 (3)	0.0061 (3)	−0.0007 (3)
C7	0.0150 (4)	0.0179 (4)	0.0181 (4)	−0.0015 (3)	0.0058 (3)	−0.0043 (3)
C8	0.0169 (4)	0.0185 (4)	0.0228 (4)	0.0022 (3)	0.0082 (3)	−0.0003 (3)
C9	0.0175 (4)	0.0280 (5)	0.0230 (5)	0.0027 (4)	0.0087 (3)	0.0021 (4)
C10	0.0148 (4)	0.0179 (4)	0.0168 (4)	0.0010 (3)	0.0051 (3)	0.0023 (3)
C11	0.0177 (4)	0.0159 (4)	0.0209 (4)	0.0019 (3)	0.0070 (3)	0.0005 (3)
C12	0.0164 (4)	0.0156 (4)	0.0227 (4)	−0.0010 (3)	0.0070 (3)	0.0012 (3)
C13	0.0142 (4)	0.0176 (4)	0.0183 (4)	0.0008 (3)	0.0056 (3)	0.0018 (3)
C14	0.0179 (4)	0.0150 (4)	0.0240 (4)	0.0009 (3)	0.0084 (3)	−0.0001 (3)
C15	0.0171 (4)	0.0159 (4)	0.0209 (4)	−0.0009 (3)	0.0069 (3)	0.0016 (3)
C16	0.0153 (4)	0.0207 (4)	0.0172 (4)	0.0015 (3)	0.0053 (3)	0.0026 (3)
C17	0.0181 (4)	0.0192 (4)	0.0260 (5)	−0.0034 (3)	0.0104 (4)	−0.0015 (3)
C18	0.0187 (4)	0.0272 (5)	0.0255 (5)	−0.0047 (4)	0.0108 (4)	−0.0055 (4)
C19	0.0159 (4)	0.0230 (4)	0.0201 (4)	0.0026 (3)	0.0061 (3)	−0.0022 (3)
C20	0.0159 (4)	0.0205 (4)	0.0174 (4)	0.0009 (3)	0.0057 (3)	−0.0007 (3)
C21	0.0134 (4)	0.0196 (4)	0.0153 (4)	−0.0008 (3)	0.0047 (3)	−0.0034 (3)
C22	0.0173 (4)	0.0200 (4)	0.0233 (4)	0.0022 (3)	0.0084 (3)	0.0000 (3)
C23	0.0204 (4)	0.0212 (4)	0.0237 (4)	−0.0006 (3)	0.0102 (4)	0.0007 (3)
C24	0.0212 (4)	0.0241 (4)	0.0313 (5)	0.0035 (4)	0.0141 (4)	−0.0014 (4)
C25	0.0218 (4)	0.0194 (4)	0.0313 (5)	0.0000 (4)	0.0147 (4)	−0.0019 (4)
C26	0.0139 (4)	0.0197 (4)	0.0160 (4)	0.0009 (3)	0.0055 (3)	−0.0010 (3)
C27	0.0186 (4)	0.0194 (4)	0.0191 (4)	0.0006 (3)	0.0077 (3)	−0.0007 (3)
C28	0.0201 (4)	0.0227 (4)	0.0218 (4)	−0.0028 (3)	0.0090 (3)	0.0000 (3)