From 0452e104b744f2b59f7921ffee0cb89212e9cad5 Mon Sep 17 00:00:00 2001 From: sici17 Date: Fri, 17 Jul 2026 17:47:16 +0200 Subject: [PATCH 1/2] Update units.py --- package/MDAnalysis/units.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/package/MDAnalysis/units.py b/package/MDAnalysis/units.py index d52e46d86c..d698520e2c 100644 --- a/package/MDAnalysis/units.py +++ b/package/MDAnalysis/units.py @@ -47,6 +47,7 @@ charge :math:`e` :math:`1.602176565 \times 10^{-19}` As force kJ/(mol·Å) :math:`1.66053892103219 \times 10^{-11}` J/m speed Å/ps :math:`100` m/s + mass u :math:`1.66053892103219 \times 10^{-27}` kg =========== ============== =============================================== Implementation notes @@ -407,6 +408,7 @@ def __getitem__(self, key): "charge": "e", "force": "kJ/(mol*A)", "speed": "A/ps", + "mass": "u", } From 6fe19afec4940d560ef1a6e7b09a0dacc746e779 Mon Sep 17 00:00:00 2001 From: sici17 Date: Fri, 17 Jul 2026 17:58:29 +0200 Subject: [PATCH 2/2] Update test_units.py --- testsuite/MDAnalysisTests/utils/test_units.py | 1 + 1 file changed, 1 insertion(+) diff --git a/testsuite/MDAnalysisTests/utils/test_units.py b/testsuite/MDAnalysisTests/utils/test_units.py index dad63d6b11..b37383f58a 100644 --- a/testsuite/MDAnalysisTests/utils/test_units.py +++ b/testsuite/MDAnalysisTests/utils/test_units.py @@ -181,6 +181,7 @@ def ref(): "charge": "e", "force": "kJ/(mol*A)", "speed": "A/ps", + "mass": "u", } return ref