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

Report for the framework in file "public/tmp/tmp_2_1_104_XCctcU.cif"

There are 2 T-atoms per unit cell
There are 4 O-atoms per unit cell

Framework density = 29.22 T-atoms per nm^3
Material density = 2.915 grams per cm^3 (excluding extra-framework material)
-------------------------------------------------------------------
-------------------------- T-O Analysis ---------------------------
-------------------------------------------------------------------
[Si] Ideal SiO distance = 1.610 Angstrom
T1  -- O1  = 1.6168 Angstrom
T1  -- O2  = 1.6166 Angstrom
T1  -- O3  = 1.6167 Angstrom
T1  -- O4  = 1.6166 Angstrom
      mean = 1.6167 Angstrom
        t1 = 0.182744  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.132923  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.6166 A <--> 1.6168 A
          Mean   = 1.6167 A
          StdDev = 0.0001 A

       t1 Range  = 0.1827 <-- 0.1827 --> 0.1827
       t2 Range  = 0.1329 <-- 0.1329 --> 0.1329

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  =  80.375 deg; O1  -- O2  = 2 A
O1  -- T1  -- O3  =  80.359 deg; O1  -- O3  = 2 A
O1  -- T1  -- O4  = 131.714 deg; O1  -- O4  = 3 A
O2  -- T1  -- O3  = 131.714 deg; O2  -- O3  = 3 A
O2  -- T1  -- O4  =  80.367 deg; O2  -- O4  = 2 A
O3  -- T1  -- O4  =  80.378 deg; O3  -- O4  = 2 A
       80.359 deg <-- 97.484 deg --> 131.714 deg

        O-T-O SUMMARY
          Range  = 80.3586 deg <--> 131.7144 deg
          Mean   = 97.4845 deg
          StdDev = 26.5143 deg

        O--O SUMMARY
          Range  = 2.0862 A <--> 2.9506 A
          Mean   = 2.3744 A
          StdDev = 0.4463 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 180.000 deg ; T1  -- T1   3.2335 A

T1  -- O2  -- T1  = 180.000 deg ; T1  -- T1   3.2333 A

T1  -- O3  -- T1  = 180.000 deg ; T1  -- T1   3.2335 A

T1  -- O4  -- T1  = 180.000 deg ; T1  -- T1   3.2332 A


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

        T--T SUMMARY
          Range  = 3.2332 A <--> 3.2335 A
          Mean   = 3.2334 A
          StdDev = 0.0002 A

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

SOME OXYGEN ATOMS ARE TOO CLOSE TO EACH OTHER
O1  -- O2  = 2.0865 A
O1  -- O3  = 2.0862 A
O1  -- O3  = 2.0862 A
O1  -- O2  = 2.0865 A
O2  -- O4  = 2.0862 A
O2  -- O4  = 2.0862 A
O3  -- O4  = 2.0865 A
O3  -- O4  = 2.0865 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  = 3.2335 Angstrom
  T1  -- T1  = 3.2335 Angstrom
  T1  -- T1  = 3.0757 Angstrom
  T1  -- T1  = 3.2333 Angstrom
  T1  -- T1  = 3.2332 Angstrom

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 2
Coordination Sequence =
    1 4 8 12 16 20 24 28 32 36 40 44 48 52 54 54 54
TD10 = 221
Circuit symbol = 4.4.4.4.6_{2}.6_{2}
Weight = 9
Vertex symbol  = 4.4.4.4.*.*
Weight = 9

<TD10> = 221.000
Average ring size = 4.0000
