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update-dipolar-distance (#320)
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Change dipolar distances to nm to make minimization possible

Reviewed-on: #320
Co-authored-by: Dominik Demuth <dominik.demuth@pkm.tu-darmstadt.de>
Co-committed-by: Dominik Demuth <dominik.demuth@pkm.tu-darmstadt.de>
This commit was merged in pull request #320.
This commit is contained in:
Dominik Demuth
2026-01-30 17:02:33 +00:00
committed by Dominik Demuth
parent 734a265c2b
commit fa2b57dcd9
1 changed files with 4 additions and 4 deletions
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8
src/nmreval/nmr/coupling.py
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@@ -106,7 +106,7 @@ class HomoDipolar(Coupling):
name = 'Homonuclear Dipolar'
parameter = ['r']
unit = ['m']
unit = ['nm']
choice = [
(r'\gamma', 'nucleus', {k: k for k in gamma}),
('Spin', 'spin', OrderedDict([('1/2', 0.5), ('1', 1), ('3/2', 1.5), ('2', 2), ('5/2', 2.5), ('3', 3)])),
@@ -128,7 +128,7 @@ class HomoDipolar(Coupling):
raise KeyError(f'Unknown nucleus {nucleus}')
try:
coupling = mu0 / (4*pi) * hbar_joule * gamma_full[nucleus]**2 / (r+1e-34)**3
coupling = mu0 / (4*pi) * hbar_joule * gamma_full[nucleus]**2 / ((r*1e-9) + 1e-34)**3
except ZeroDivisionError:
return 1e318
@@ -143,7 +143,7 @@ class HeteroDipolar(Coupling):
name = 'Heteronuclear Dipolar'
parameter = ['r']
unit = ['m']
unit = ['nm']
choice = [
(r'\gamma_{1}', 'nucleus1', {k: k for k in gamma}),
(r'\gamma_{2}', 'nucleus2', {k: k for k in gamma}),
@@ -172,7 +172,7 @@ class HeteroDipolar(Coupling):
raise KeyError(f'Unknown nucleus {nucleus2}')
try:
coupling = mu0 / (4*pi) * hbar_joule * gamma_full[nucleus1]*gamma_full[nucleus2] / r**3
coupling = mu0 / (4*pi) * hbar_joule * gamma_full[nucleus1]*gamma_full[nucleus2] / ((r*1e-9) + 1e-34)**3
except ZeroDivisionError:
return 1e318