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

Report for the framework in file "public/tmp/tmp_2_1_107_X7tpiK.cif"

There are 2 T-atoms per unit cell
There are 4 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  = 1.6952 Angstrom
T1  -- O3  = 1.6953 Angstrom
T1  -- O4  = 1.6951 Angstrom
T1  -- O2  = 1.6952 Angstrom
      mean = 1.6952 Angstrom
        t1 = 0.052915  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.000024  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.6951 A <--> 1.6953 A
          Mean   = 1.6952 A
          StdDev = 0.0001 A

       t1 Range  = 0.0529 <-- 0.0529 --> 0.0529
       t2 Range  = 0.0000 <-- 0.0000 --> 0.0000

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O3  = 109.477 deg; O1  -- O3  = 3 A
O1  -- T1  -- O4  = 109.474 deg; O1  -- O4  = 3 A
O1  -- T1  -- O2  = 109.470 deg; O1  -- O2  = 3 A
O3  -- T1  -- O4  = 109.468 deg; O3  -- O4  = 3 A
O3  -- T1  -- O2  = 109.472 deg; O3  -- O2  = 3 A
O4  -- T1  -- O2  = 109.467 deg; O4  -- O2  = 3 A
       109.467 deg <-- 109.471 deg --> 109.477 deg

        O-T-O SUMMARY
          Range  = 109.4669 deg <--> 109.4773 deg
          Mean   = 109.4712 deg
          StdDev = 0.0039 deg

        O--O SUMMARY
          Range  = 2.7681 A <--> 2.7684 A
          Mean   = 2.7682 A
          StdDev = 0.0001 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 180.000 deg ; T1  -- T1   3.3904 A

T1  -- O2  -- T1  = 180.000 deg ; T1  -- T1   3.3904 A

T1  -- O3  -- T1  = 180.000 deg ; T1  -- T1   3.3905 A

T1  -- O4  -- T1  = 180.000 deg ; T1  -- T1   3.3902 A


        T-O-T SUMMARY
          Range  = 180.0000° <--> 180.0000 deg
          Mean   = 180.0000 deg
          StdDev = 0.0000 deg

        T--T SUMMARY
          Range  = 3.3902 A <--> 3.3905 A
          Mean   = 3.3904 A
          StdDev = 0.0001 A

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

T-T-T analysis was not conducted.

SOME T-ATOM DISTANCES ARE OUTSIDE THE NORMAL RANGE
T1  has 8 neighboring T-atoms within 3.50 A, but only 4 bridging O-atoms
  T1  -- T1  = 3.3902 Angstrom
  T1  -- T1  = 3.3904 Angstrom
  T1  -- T1  = 3.3902 Angstrom
  T1  -- T1  = 3.3905 Angstrom
  T1  -- T1  = 3.3904 Angstrom
  T1  -- T1  = 3.3902 Angstrom
  T1  -- T1  = 3.3905 Angstrom
  T1  -- T1  = 3.3906 Angstrom

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 2
Coordination Sequence =
    1 4 12 24 42 64 92 124 162 204 252 304 362 424 492 562 632
TD10 = 981
Circuit symbol = 6_{2}.6_{2}.6_{2}.6_{2}.6_{2}.6_{2}
Weight = 29
Vertex symbol  = 6_{2}.6_{2}.6_{2}.6_{2}.6_{2}.6_{2}
Weight = 29

<TD10> = 981.000
Average ring size = 6.0000
