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

Report for the framework in file "public/tmp/tmp_50-2_1_18_tPqj45.cif"

There are 8 T-atoms per unit cell
There are 16 O-atoms per unit cell

Framework density = 31.46 T-atoms per nm^3
Material density = 3.139 grams per cm^3 (excluding extra-framework material)
-------------------------------------------------------------------
-------------------------- T-O Analysis ---------------------------
-------------------------------------------------------------------
[Si] Ideal SiO distance = 1.610 Angstrom
T1  -- O1  = 1.6684 Angstrom
T1  -- O2  = 1.6506 Angstrom
T1  -- O3  = 1.5606 Angstrom
T1  -- O4  = 1.6905 Angstrom
      mean = 1.6425 Angstrom
        t1 = 0.143465  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.104010  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.5606 A <--> 1.6905 A
          Mean   = 1.6425 A
          StdDev = 0.0502 A

       t1 Range  = 0.1435 <-- 0.1435 --> 0.1435
       t2 Range  = 0.1040 <-- 0.1040 --> 0.1040

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  = 108.093 deg; O1  -- O2  = 3 A
O1  -- T1  -- O3  = 122.707 deg; O1  -- O3  = 3 A
O1  -- T1  -- O4  = 115.610 deg; O1  -- O4  = 3 A
O2  -- T1  -- O3  =  72.922 deg; O2  -- O3  = 2 A
O2  -- T1  -- O4  = 133.501 deg; O2  -- O4  = 3 A
O3  -- T1  -- O4  =  95.258 deg; O3  -- O4  = 2 A
       72.922 deg <-- 108.015 deg --> 133.501 deg

        O-T-O SUMMARY
          Range  = 72.9222 deg <--> 133.5011 deg
          Mean   = 108.0153 deg
          StdDev = 20.0752 deg

        O--O SUMMARY
          Range  = 1.9097 A <--> 3.0698 A
          Mean   = 2.6244 A
          StdDev = 0.3853 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 174.633 deg ; T1  -- T1   3.3332 A

T1  -- O2  -- T1  = 110.971 deg ; T1  -- T1   2.7201 A

T1  -- O3  -- T1  = 180.000 deg ; T1  -- T1   3.1212 A

T1  -- O4  -- T1  = 180.000 deg ; T1  -- T1   3.3810 A


        T-O-T SUMMARY
          Range  = 110.9715° <--> 180.0000 deg
          Mean   = 161.4011 deg
          StdDev = 29.6651 deg

        T--T SUMMARY
          Range  = 2.7201 A <--> 3.3810 A
          Mean   = 3.1389 A
          StdDev = 0.2650 A

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

SOME OXYGEN ATOMS ARE TOO CLOSE TO EACH OTHER
O2  -- O3  = 1.9097 A
O2  -- O3  = 1.9097 A

T-T-T analysis was not conducted.

SOME T-ATOM DISTANCES ARE OUTSIDE THE NORMAL RANGE
T1  has 5 neighboring T-atoms within 3.50 A, but only 4 bridging O-atoms
  T1  -- T1  = 3.3332 Angstrom
  T1  -- T1  = 3.0147 Angstrom
  T1  -- T1  = 3.1212 Angstrom
  T1  -- T1  = 3.3810 Angstrom
  T1  -- T1  = 2.7201 Angstrom

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 8
Coordination Sequence =
    1 4 11 24 47 84 136 188 247 324 416 501 594 710 838 956 1084
TD10 = 1482
Circuit symbol = 4.6_{2}.6.6.6.6
Weight = 22
Vertex symbol  = 4.6_{2}.6.6.6.6
Weight = 22

<TD10> = 1482.000
Average ring size = 5.6000
