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

Report for the framework in file "public/tmp/tmp_20_1_4_Gj3ekB.cif"

There are 8 T-atoms per unit cell
There are 16 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  = 1.7482 Angstrom
T1  -- O2  = 1.6735 Angstrom
T1  -- O3  = 1.6812 Angstrom
T1  -- O1  = 1.7502 Angstrom
      mean = 1.7133 Angstrom
        t1 = 0.123057  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.072073  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.6735 A <--> 1.7502 A
          Mean   = 1.7133 A
          StdDev = 0.0366 A

       t1 Range  = 0.1231 <-- 0.1231 --> 0.1231
       t2 Range  = 0.0721 <-- 0.0721 --> 0.0721

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  =  83.566 deg; O1  -- O2  = 2 A
O1  -- T1  -- O3  = 100.954 deg; O1  -- O3  = 3 A
O1  -- T1  -- O1  = 130.255 deg; O1  -- O1  = 3 A
O2  -- T1  -- O3  = 130.178 deg; O2  -- O3  = 3 A
O2  -- T1  -- O1  = 110.384 deg; O2  -- O1  = 3 A
O3  -- T1  -- O1  = 103.855 deg; O3  -- O1  = 3 A
       83.566 deg <-- 109.865 deg --> 130.255 deg

        O-T-O SUMMARY
          Range  = 83.5664 deg <--> 130.2553 deg
          Mean   = 108.0188 deg
          StdDev = 16.2007 deg

        O--O SUMMARY
          Range  = 2.2806 A <--> 3.1740 A
          Mean   = 2.7518 A
          StdDev = 0.2925 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 130.255 deg ; T1  -- T1   3.1740 A

T1  -- O2  -- T1  = 138.386 deg ; T1  -- T1   3.1286 A

T1  -- O3  -- T1  = 136.979 deg ; T1  -- T1   3.1282 A


        T-O-T SUMMARY
          Range  = 130.2553° <--> 138.3864 deg
          Mean   = 135.2068 deg
          StdDev = 3.6244 deg

        T--T SUMMARY
          Range  = 3.1282 A <--> 3.1740 A
          Mean   = 3.1436 A
          StdDev = 0.0219 A

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

SOME OXYGEN ATOMS ARE TOO CLOSE TO EACH OTHER
O1  -- O2  = 2.2806 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  = 3.1740 Angstrom
  T1  -- T1  = 3.1286 Angstrom
  T1  -- T1  = 3.1740 Angstrom
  T1  -- T1  = 3.1282 Angstrom
  T1  -- T1  = 3.1740 Angstrom
  T1  -- T1  = 3.1740 Angstrom

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 8
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
