﻿234 Prof. E. C. C. Baly on 



Table VIII. o-Xylene absorption (Mies), 



o *• in 









Infra-red bands. 



Angstroms. 



1/X. 



Vx. 



Mean v x . 



| Calc. 



Obs. 1 



2777 



3601 



308 





3-25/1 



3-25 fjt \ 



2770 



3610 



299 





3-33 



3-38 



F2730 



3663 



246 





4-07 





F2699 



3705 



204 





4-90 



I 



2691 



3716 



193 





5-18 



5-24 



A 2683 



3727 



182 





5-49 





A 2668 



3748 



361 





6-21 



6*20 



2666 



3751 



158 





\ 633 



6-30 



2659 



3761 



148 





674 



f 6-75 j 

 1 6-86 ' 



2654 



3768 



141 



141 



7-09 1 

 7-41 / 



7'25 



2650 



3774 



135 





A 2547 



3778 



131 





7-63 





A 2633 



3798 



111 





9-01 



8-92 



2628 



3805 



104 





9-64 



/ 9-50 



1 9-78 

 10-20 



2624 



3811 



98 



97 



1 10-31 



2620 



3817 



92 



91-5 



1091 





2607 



3836 



73 



75 



13-33 



13-60 



A 2601 



3845 



64 





15-63 





A 2585 



3869 



40 





25-00 





F2572 



3888 



21 





47-62 





A 2558 



3909 











1 



A 2527 



3957 



48 





i 20-83 





2509 



3986 



77 



75 



: 1333 



13*60 



2500 



4000 



91 



91-5 



: 10-91 





2497 



4005 



96 



97 



10-31 



10-20 



2474 



4042 



141 



141 



7-09 



7-25 



■Xylene fluorescence (Dickson). 



\in 

 Angstroms. 



l/\. 



l/X + 13. 



Vx. 



3135 



3190 



3203 



405 



3038 



3292 



3305 



303 (299) 



2986 



3349 



3362 



246 (246) 



2896 



3453 



3466 



142 (141) 



2798 



3574 



3587 



21 (21) 



2713 



3686 



3699 



91 (91) 



2680 



3731 



3744 



141 (141) 



2636 



3794 



3807 



199 (204) 



2603 



3842 



3855 



247 (246) 



It is to be noted that the fundamental frequency 301 

 appears both in the absorption and fluorescence spectra. 



