LECTURE 2
i
-^electron-^nucleus^C6'6^011 at nucleus)
f"': ,     ■   : .■.:;:.-ŕ---í:-:-:v,ji
\\ v.. .....
«f\«\ * \ "r-\:---,„ ^_ jw........ i.....f
V» ••* \ ' V---"1.....•"•     i---■ ■""
v* '* •.»"*-'-.-'^   k_____-'.j-____;
k! :  i i i: :;..^-rivl
r ■    .       : ■   : : ■ : > lA
■  '    : .    : ■      .   : 1 t-i.j»T,í
; ' ; ■' 1 ■' L.'.-.-"r :>:'J :   i :   .... f»
. ■ . ;     ľ: t-.ij-L
i...;..." ■ . ■ .'i - -■*-•.* /• .»^
-T-     - ■- v -- -    ---. .«•... _ ^    /,  ,.• ;,J
■ ■ ,'    f    :■;-->'* ."/«*
Coherence
depicted as distributions molecules with jl of 1H closest to —y selected
decomposed distributions based on # of 13C/15N being closer to -\-z vs. to —z in the selected molecules
depicted as arrows     decomposed arrows
In-phase
Anti-phase
MfJL
iter'
In-phase: x:
i
-i1—1—1—1—'—1—1—1—'—1—1—1—1—1—1—1—1—1—1—'—1—1—1—'—1
O    1    2    3    4    5    6    7    8    9   10 11   12  13  14 15 16  17  18 19 20 21  22 23 24
O
-11-'-'-'-'-'-'-'-'-'-■-'-'-'-■-'-'-'-■-'-'-'-'-'-1
O    1    2    3    4    5    6    7    8    9   10  11   12 13 14  15  16 17 18  19 20 21  22 23 24
In-phase:
i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_i_
0    1    2    3    4    5    6    7    8    9   10  11   12 13  14  15  16 17  18  19 20 21   22 23 24
I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_I_
0    1    2    3    4    5    6    7    8    9   10  11   12 13  14  15  16 17  18  19 20 21   22 23 24
_I_I_I_I_I_ \\-^_I_I_I_I_I_I_I_I_I_I_I_I _I_I_I_I_I_
0    1    2    3    4    5    6    7    8    9   10  11   12 13  14  15  16 17  18  19 20 21   22 23 24
Transverse polarization
Signal intensity
Spectrum intensity
Signal intensity
Spectrum intensity
7 > O, Q > O J > O
x
x
m
T
^radio
0 oj
o
+
+
ö
ref
7 < O, Q < O        7 < O, Q > O        7 > O, Q < O        7 > O, Q > O J < O t k J > O
t = O
Laboratory frame^
t > 0
±7ľJí
k-Vadio^
±7vJt
Wradioí + TT
a:
Rotating frame
t > 0
a?
a:
a:
"h^radio     ^ "h^radio ^
-1-
k-Vadio
iL
0
7^     o u
"t^radio