diff --git a/examples/md/benzene/bnz.frg b/examples/md/benzene/bnz.frg
new file mode 100644
index 0000000000..67b0b53f17
--- /dev/null
+++ b/examples/md/benzene/bnz.frg
@@ -0,0 +1,32 @@
+# This is an automatically generated fragment file
+# Atom types and connectivity were derived from coordinates
+# Atomic partial charges are crude estimates
+# 12/07/04   13:57:02 
+#
+$bnz
+   12    1    1    0
+bnz
+    1 C1   CA        0    0    0    1    1   -0.050000    0.000000
+    2 H1   HA        0    0    0    1    1    0.050000    0.000000
+    3 C2   CA        0    1    0    1    1   -0.050000    0.000000
+    4 H2   HA        0    0    0    1    1    0.050000    0.000000
+    5 C3   CA        0    1    0    1    1   -0.050000    0.000000
+    6 H3   HA        0    0    0    1    1    0.050000    0.000000
+    7 C4   CA        0    1    0    1    1   -0.050000    0.000000
+    8 H4   HA        0    0    0    1    1    0.050000    0.000000
+    9 C5   CA        0    1    0    1    1   -0.050000    0.000000
+   10 H5   HA        0    0    0    1    1    0.050000    0.000000
+   11 C6   CA        0    1    0    1    1   -0.050000    0.000000
+   12 H6   HA        0    0    0    1    1    0.050000    0.000000
+    1    3
+    1    2
+    1   11
+    3    4
+    3    5
+    5    6
+    5    7
+    7    8
+    7    9
+    9   10
+    9   11
+   11   12