Table 1
ck(N′,N)
l
N
m
N
c
0
(
N
′
,
N
)
c
1
(
N
′
,
N
)
c
2
(
N
′
,
N
)
s
s
0
0
1
p
p
0
0
1
4
s
p
0
0
1
Xiao
et al.
Nanoscale Research Letters
2012
7
:578 doi:10.1186/1556-276X-7-578
