This file is indexed.

/usr/share/gromacs/top/gromos54a7.ff/ions.itp is in gromacs-data 5.0.2-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
[ moleculetype ]
; molname	nrexcl
CU1		1

[ atoms ]
; id	at type	res nr 	residu name	at name  cg nr	charge   mass
1	CU1+	1	CU1		CU	 1	1	 63.54600

[ moleculetype ]
; molname	nrexcl
CU		1

[ atoms ]
; id	at type	res nr 	residu name	at name  cg nr	charge   mass
1	CU2+	1	CU		CU	 1	2	 63.54600

[ moleculetype ]
; molname	nrexcl
ZN		1

[ atoms ]
; id	at type	res nr 	residu name	at name  cg nr	charge   mass
1	ZN2+	1	ZN		ZN	 1	2	 65.37000

[ moleculetype ]
; molname	nrexcl
MG		1

[ atoms ]
; id	at type	res nr 	residu name	at name  cg nr	charge   mass
1	MG2+	1	MG		MG	 1	2	 24.30500

[ moleculetype ]
; molname	nrexcl
CA		1

[ atoms ]
; id	at type	res nr 	residu name	at name  cg nr	charge   mass
1	CA2+	1	CA		CA	 1	2	 40.08000

[ moleculetype ]
; molname	nrexcl
NA		1

[ atoms ]
; id	at type	res nr 	residu name	at name  cg nr	charge   mass
1	NA+	1	NA		NA	 1	1	 22.9898

[ moleculetype ]
; molname	nrexcl
CL		1

[ atoms ]
; id	at type	res nr 	residu name	at name  cg nr	charge   mass
1	CL-	1	CL		CL	 1	-1	 35.45300