Output from "TOTOPOL", (version 1.92, 17 Jul 2017, Mike Treacy).

Report for the framework in file "public/tmp/tmp_102_1_4_S5N7rl.cif"

There are 4 T-atoms per unit cell
There are 8 O-atoms per unit cell

Framework density = 33.33 T-atoms per nm^3
Material density = 3.326 grams per cm^3 (excluding extra-framework material)
-------------------------------------------------------------------
-------------------------- T-O Analysis ---------------------------
-------------------------------------------------------------------
[Si] Ideal SiO distance = 1.610 Angstrom
T1  -- O1  = 1.6104 Angstrom
T1  -- O2  = 1.6229 Angstrom
T1  -- O2  = 1.6229 Angstrom
T1  -- O1  = 1.6104 Angstrom
      mean = 1.6166 Angstrom
        t1 = 0.196589  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.204403  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.6104 A <--> 1.6229 A
          Mean   = 1.6166 A
          StdDev = 0.0065 A

       t1 Range  = 0.1966 <-- 0.1966 --> 0.1966
       t2 Range  = 0.2044 <-- 0.2044 --> 0.2044

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  =  72.386 deg; O1  -- O2  = 2 A
O1  -- T1  -- O2  =  72.386 deg; O1  -- O2  = 2 A
O1  -- T1  -- O1  = 180.000 deg; O1  -- O1  = 3 A
O2  -- T1  -- O2  = 144.772 deg; O2  -- O2  = 3 A
O2  -- T1  -- O1  = 107.614 deg; O2  -- O1  = 3 A
O2  -- T1  -- O1  = 107.614 deg; O2  -- O1  = 3 A
       72.386 deg <-- 114.129 deg --> 180.000 deg

        O-T-O SUMMARY
          Range  = 72.3859 deg <--> 180.0000 deg
          Mean   = 114.1286 deg
          StdDev = 39.2269 deg

        O--O SUMMARY
          Range  = 1.9093 A <--> 3.2207 A
          Mean   = 2.5586 A
          StdDev = 0.5230 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 180.000 deg ; T1  -- T1   3.2207 A

T1  -- O2  -- T1  = 140.205 deg ; T1  -- T1   3.0520 A


        T-O-T SUMMARY
          Range  = 140.2054° <--> 180.0000 deg
          Mean   = 160.1027 deg
          StdDev = 21.2711 deg

        T--T SUMMARY
          Range  = 3.0520 A <--> 3.2207 A
          Mean   = 3.1364 A
          StdDev = 0.0902 A

-------------------------------------------------------------------
------------------------ *** WARNINGS *** -------------------------
-------------------------------------------------------------------

SOME OXYGEN ATOMS ARE TOO CLOSE TO EACH OTHER
O1  -- O2  = 1.9093 A
O1  -- O2  = 1.9093 A

T-T-T analysis was not conducted.

SOME T-ATOM DISTANCES ARE OUTSIDE THE NORMAL RANGE
T1  has 6 neighboring T-atoms within 3.50 A, but only 4 bridging O-atoms
  T1  -- T1  = 3.2207 Angstrom
  T1  -- T1  = 3.0520 Angstrom
  T1  -- T1  = 3.0520 Angstrom
  T1  -- T1  = 3.0520 Angstrom
  T1  -- T1  = 3.2207 Angstrom
  T1  -- T1  = 3.0520 Angstrom

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 4
Coordination Sequence =
    1 4 12 30 58 94 138 190 250 318 394 478 570 670 778 894 1018
TD10 = 1489
Circuit symbol = 6.6.6.6.6_{2}.8_{2}
Weight = 21
Vertex symbol  = 6.6.6.6.6_{2}.*
Weight = 21

<TD10> = 1489.000
Average ring size = 6.0000
