Table 1.

¹³C-chemical shifts of the photo-CIDNP signals in PS2 in comparison with published chemical shift data for Chl a

Chla			Photo-CIDNP of PS2
σliq*	σss†	Atom	σ‡
189.3	190.6	131
172.7	175.3	173
171.0	171.2	133	172.2 A
167.4	170.0	19	166.9 A
161.4	162.0	14	162.3 A
154.0	155.9	1	156.0 A
155.8	154.4	6
151.4	154.0	16	151.7 A
148.0	150.7	4
147.7	147.2	11	147.7 A
146.1	147.2	9
144.1	146.2	8
139.0	137.0	3	137.5 A
135.5	136.1	2
134.2	134.0	12
134.0	133.4	7	133.9 A
131.5	126.2	13
131.5	126.2	31
118.9	113.4	32
107.1	108.2	10	104.6 E
106.2	102.8	15
100.0	98.1	5
92.8	93.3	20

^*Abraham and Rowan (43). The liquid NMR data have been obtained in tetrahydrofuran. 

^†Boender (42). The solid state NMR data have been obtained from aggregates. 

^‡This work. σ, chemical shift; A, absorptive signal; E, emissive signal.