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

Report for the framework in file "public/tmp/tmp_13_1_17_xv1qQq.cif"

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

Framework density = 23.76 T-atoms per nm^3
Material density = 2.370 grams per cm^3 (excluding extra-framework material)
-------------------------------------------------------------------
-------------------------- T-O Analysis ---------------------------
-------------------------------------------------------------------
[Si] Ideal SiO distance = 1.610 Angstrom
T1  -- O1  = 1.6157 Angstrom
T1  -- O2  = 1.6676 Angstrom
T1  -- O3  = 1.5007 Angstrom
T1  -- O4  = 1.6677 Angstrom
      mean = 1.6129 Angstrom
        t1 = 0.125368  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.079920  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.5007 A <--> 1.6677 A
          Mean   = 1.6129 A
          StdDev = 0.0704 A

       t1 Range  = 0.1254 <-- 0.1254 --> 0.1254
       t2 Range  = 0.0799 <-- 0.0799 --> 0.0799

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  = 113.114 deg; O1  -- O2  = 3 A
O1  -- T1  -- O3  = 109.772 deg; O1  -- O3  = 3 A
O1  -- T1  -- O4  = 113.361 deg; O1  -- O4  = 3 A
O2  -- T1  -- O3  =  85.877 deg; O2  -- O3  = 2 A
O2  -- T1  -- O4  = 132.856 deg; O2  -- O4  = 3 A
O3  -- T1  -- O4  =  85.861 deg; O3  -- O4  = 2 A
       85.861 deg <-- 106.807 deg --> 132.856 deg

        O-T-O SUMMARY
          Range  = 85.8608 deg <--> 132.8559 deg
          Mean   = 106.8067 deg
          StdDev = 17.3042 deg

        O--O SUMMARY
          Range  = 2.1615 A <--> 3.0570 A
          Mean   = 2.5690 A
          StdDev = 0.3385 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
T1  - O1  - T1  - O2  - T1  = 115.753 deg; T1  -- T1  = 5.5548 A
T1  - O1  - T1  - O3  - T1  =  85.877 deg; T1  -- T1  = 4.3235 A
T1  - O1  - T1  - O4  - T1  = 132.856 deg; T1  -- T1  = 6.1140 A
T1  - O2  - T1  - O3  - T1  = 112.621 deg; T1  -- T1  = 5.1808 A
T1  - O2  - T1  - O4  - T1  = 110.250 deg; T1  -- T1  = 5.3812 A
T1  - O3  - T1  - O4  - T1  =  85.861 deg; T1  -- T1  = 4.3230 A

        T-T-T SUMMARY
          Range  = 85.8608 deg <--> 132.8559 deg
          Mean   = 107.2030 deg
          StdDev = 17.4779 deg

        T--T SUMMARY
          Range  = 4.3230 A <--> 6.1140 A
          Mean   = 5.1462 A
          StdDev = 0.6761 A

-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 171.850 deg ; T1  -- T1   3.2233 A

T1  -- O2  -- T1  = 180.000 deg ; T1  -- T1   3.3352 A

T1  -- O3  -- T1  = 180.000 deg ; T1  -- T1   3.0014 A

T1  -- O4  -- T1  = 180.000 deg ; T1  -- T1   3.3354 A


        T-O-T SUMMARY
          Range  = 171.8499° <--> 180.0000 deg
          Mean   = 177.9625 deg
          StdDev = 3.6448 deg

        T--T SUMMARY
          Range  = 3.0014 A <--> 3.3354 A
          Mean   = 3.2238 A
          StdDev = 0.1408 A

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

SOME OXYGEN ATOMS ARE TOO CLOSE TO EACH OTHER
O2  -- O3  = 2.1618 A
O2  -- O3  = 2.1618 A
O3  -- O4  = 2.1615 A
O3  -- O4  = 2.1615 A

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 4
Coordination Sequence =
    1 4 12 27 50 78 116 159 210 266 330 400 478 561 652 749 854
TD10 = 1253
Circuit symbol = 6.6_{2}.6.6_{2}.6.6_{2}
Weight = 26
Vertex symbol  = 6.6_{2}.6.6_{2}.6.6_{2}
Weight = 26

<TD10> = 1253.000
Average ring size = 6.0000
