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

Report for the framework in file "public/tmp/tmp_10_2_635_0Cr1As.cif"

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

Framework density = 18.09 T-atoms per nm^3
Material density = 1.805 grams per cm^3 (excluding extra-framework material)
-------------------------------------------------------------------
-------------------------- T-O Analysis ---------------------------
-------------------------------------------------------------------
[Si] Ideal SiO distance = 1.610 Angstrom
T1  -- O1  = 1.6150 Angstrom
T1  -- O2  = 1.6200 Angstrom
T1  -- O3  = 1.6198 Angstrom
T1  -- O4  = 1.6166 Angstrom
      mean = 1.6178 Angstrom
        t1 = 0.005858  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.002350  (0.0 is a perfect tetrahedron)

[Si] Ideal SiO distance = 1.610 Angstrom
T2  -- O5  = 1.6238 Angstrom
T2  -- O6  = 1.6145 Angstrom
T2  -- O3  = 1.6219 Angstrom
T2  -- O4  = 1.6145 Angstrom
      mean = 1.6187 Angstrom
        t1 = 0.006286  (0.0 is a perfect SiO4 tetrahedron)
        t2 = 0.003540  (0.0 is a perfect tetrahedron)

        T-O SUMMARY
          Range  = 1.6145 A <--> 1.6238 A
          Mean   = 1.6182 A
          StdDev = 0.0034 A

       t1 Range  = 0.0059 <-- 0.0061 --> 0.0063
       t2 Range  = 0.0023 <-- 0.0029 --> 0.0035

-------------------------------------------------------------------
------------------------- O-T-O Analysis --------------------------
-------------------------------------------------------------------
O1  -- T1  -- O2  = 109.928 deg; O1  -- O2  = 3 A
O1  -- T1  -- O3  = 109.232 deg; O1  -- O3  = 3 A
O1  -- T1  -- O4  = 109.403 deg; O1  -- O4  = 3 A
O2  -- T1  -- O3  = 108.613 deg; O2  -- O3  = 3 A
O2  -- T1  -- O4  = 110.381 deg; O2  -- O4  = 3 A
O3  -- T1  -- O4  = 109.262 deg; O3  -- O4  = 3 A
       108.613 deg <-- 109.470 deg --> 110.381 deg

O5  -- T2  -- O6  = 109.136 deg; O5  -- O6  = 3 A
O5  -- T2  -- O3  = 109.790 deg; O5  -- O3  = 3 A
O5  -- T2  -- O4  = 109.497 deg; O5  -- O4  = 3 A
O6  -- T2  -- O3  = 108.901 deg; O6  -- O3  = 3 A
O6  -- T2  -- O4  = 109.358 deg; O6  -- O4  = 3 A
O3  -- T2  -- O4  = 110.138 deg; O3  -- O4  = 3 A
       108.901 deg <-- 109.470 deg --> 110.138 deg

        O-T-O SUMMARY
          Range  = 108.6130 deg <--> 110.3811 deg
          Mean   = 109.4643 deg
          StdDev = 0.5026 deg

        O--O SUMMARY
          Range  = 2.6312 A <--> 2.6574 A
          Mean   = 2.6424 A
          StdDev = 0.0090 A

-------------------------------------------------------------------
------------------------- T-T-T Analysis --------------------------
-------------------------------------------------------------------
T1  - O1  - T1  - O2  - T2  = 125.845 deg; T1  -- T2  = 5.6524 A
T1  - O1  - T1  - O3  - T1  =  90.000 deg; T1  -- T1  = 4.4814 A
T1  - O1  - T1  - O4  - T2  = 130.403 deg; T1  -- T2  = 5.6876 A
T2  - O2  - T1  - O3  - T1  = 112.818 deg; T2  -- T1  = 5.2001 A
T2  - O2  - T1  - O4  - T2  =  85.865 deg; T2  -- T2  = 4.2035 A
T1  - O3  - T1  - O4  - T2  = 113.478 deg; T1  -- T2  = 5.1505 A

T2  - O5  - T2  - O6  - T2  =  90.000 deg; T2  -- T2  = 4.4032 A
T2  - O5  - T2  - O3  - T1  = 127.190 deg; T2  -- T1  = 5.4944 A
T2  - O5  - T2  - O4  - T1  = 138.397 deg; T2  -- T1  = 5.6565 A
T2  - O6  - T2  - O3  - T1  = 112.818 deg; T2  -- T1  = 5.2842 A
T2  - O6  - T2  - O4  - T1  = 113.478 deg; T2  -- T1  = 5.2354 A
T1  - O3  - T2  - O4  - T1  =  76.297 deg; T1  -- T1  = 3.8122 A

        T-T-T SUMMARY
          Range  = 76.2966 deg <--> 138.3975 deg
          Mean   = 109.8789 deg
          StdDev = 19.2947 deg

        T--T SUMMARY
          Range  = 3.8122 A <--> 5.6876 A
          Mean   = 5.0212 A
          StdDev = 0.6136 A

-------------------------------------------------------------------
------------------------- T-O-T Analysis --------------------------
-------------------------------------------------------------------
T1  -- O1  -- T1  = 171.535 deg ; T1  -- T1   3.2211 A

T1  -- O2  -- T1  = 148.157 deg ; T1  -- T1   3.1157 A

T1  -- O3  -- T2  = 139.746 deg ; T1  -- T2   3.0437 A

T1  -- O4  -- T2  = 150.829 deg ; T1  -- T2   3.1269 A

T2  -- O5  -- T2  = 135.639 deg ; T2  -- T2   3.0072 A

T2  -- O6  -- T2  = 169.852 deg ; T2  -- T2   3.2164 A


        T-O-T SUMMARY
          Range  = 135.6387° <--> 171.5353 deg
          Mean   = 152.6261 deg
          StdDev = 14.0308 deg

        T--T SUMMARY
          Range  = 3.0072 A <--> 3.2211 A
          Mean   = 3.1218 A
          StdDev = 0.0814 A

-------------------------------------------------------------------
---------------------- Topological Analysis -----------------------
-------------------------------------------------------------------
T1 (Si): multiplicity = 4
Coordination Sequence =
    1 4 10 21 36 55 79 106 138 175 215 260 304 340 373 405 433
TD10 = 840
Circuit symbol = 4.4.6_{2}.8_{5}.6_{2}.8_{5}
Weight = 26
Vertex symbol  = 4.4.6_{2}.8_{3}.6_{2}.8_{3}
Weight = 26

T2 (Si): multiplicity = 4
Coordination Sequence =
    1 4 10 21 36 55 79 106 138 175 215 259 302 339 372 404 434
TD10 = 840
Circuit symbol = 4.4.6_{2}.8_{5}.6_{2}.8_{5}
Weight = 26
Vertex symbol  = 4.4.6_{2}.8_{3}.6_{2}.8_{3}
Weight = 26

<TD10> = 840.000
Average ring size = 6.2609
