Feff calculation interpretation

# Hg at site center in adenine
# This paths.dat file was written by Demeter 0.2.0
# The central atom is denoted by this token: <+>
# Cluster size = 4.50000 Angstroms, containing 21 atoms
# 23 paths were found
# Forward scattering cutoff 20.00
# Distance fuzz = 0.0300 Angstroms
# Angle fuzz = 3.0000 degrees
# Suppressing eta: yes
# -------------------------------------------------------------------------------
#     degen   Reff       scattering path                       I legs   type
0001   1    2.040  ----  <+> N      <+>                       2  2 single scattering
0002   2    2.923  ----  <+> C      <+>                       2  2 single scattering
0003   2    3.032  ----  <+> O      <+>                       2  2 single scattering
0004   4    3.168  ----  <+> C      N      <+>                1  3 obtuse triangle
0005   2    3.412  ----  <+> N      C      N      <+>         0  4 dog-leg
0006   4    3.587  ----  <+> C      O      <+>                0  3 other double scattering
0007   4    3.669  ----  <+> O      N      <+>                0  3 other double scattering
0008   1    4.080  ----  <+> N      <+>    N      <+>         1  4 rattle
0009   2    4.141  ----  <+> C      O      C      <+>         0  4 dog-leg
0010   2    4.159  ----  <+> C      C      <+>                1  3 acute triangle
0011   1    4.191  ----  <+> N      <+>                       2  2 single scattering
0012   2    4.244  ----  <+> N      C      <+>                1  3 obtuse triangle
0013   2    4.250  ----  <+> O      C      O      <+>         0  4 dog-leg
0014   1    4.263  ----  <+> C      <+>                       2  2 single scattering
0015   2    4.267  ----  <+> N      N      <+>                1  3 obtuse triangle
0016   2    4.296  ----  <+> C      N      C      <+>         0  4 dog-leg
0017   1    4.297  ----  <+> C      N      C      <+>         0  4 dog-leg
0018   2    4.306  ----  <+> N      O      N      <+>         0  4 dog-leg
0019   2    4.314  ----  <+> C      C      <+>                1  3 obtuse triangle
0020   2    4.342  ----  <+> N      C      <+>                1  3 obtuse triangle
0021   1    4.343  ----  <+> N      N      N      <+>         0  4 dog-leg
0022   1    4.364  ----  <+> C      C      C      <+>         0  4 dog-leg
0023   1    4.420  ----  <+> N      C      N      <+>         0  4 dog-leg