data_SrH2(CO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.75
_cell_length_b   7.16
_cell_length_c   8.69
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrH2(CO2)2
_chemical_formula_sum   'Sr4 H8 C8 O16'
_cell_volume   420.04
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sr  Sr32  1  0.33  0.32  0.75  1.0
  Sr  Sr33  1  0.04  0.84  0.41  1.0
  Sr  Sr34  1  0.42  0.74  0.28  1.0
  Sr  Sr35  1  0.71  0.42  0.94  1.0
  H  H8  1  0.42  0.97  0.55  1.0
  H  H9  1  0.07  0.52  0.43  1.0
  H  H10  1  0.3  0.64  0.78  1.0
  H  H11  1  0.71  0.19  0.2  1.0
  H  H12  1  0.33  0.39  0.49  1.0
  H  H13  1  0.68  0.1  0.91  1.0
  H  H14  1  0.45  0.06  0.26  1.0
  H  H15  1  0.04  0.77  0.14  1.0
  C  C0  1  0.86  0.68  0.09  1.0
  C  C1  1  0.07  0.98  0.58  1.0
  C  C2  1  0.06  0.17  0.93  1.0
  C  C3  1  0.52  0.48  0.43  1.0
  C  C4  1  0.89  0.1  0.26  1.0
  C  C5  1  0.69  0.4  0.76  1.0
  C  C6  1  0.69  0.75  0.11  1.0
  C  C7  1  0.23  0.06  0.6  1.0
  O  O16  1  0.17  0.94  0.42  1.0
  O  O17  1  0.04  0.19  0.92  1.0
  O  O18  1  0.47  0.04  0.88  1.0
  O  O19  1  0.09  0.61  0.25  1.0
  O  O20  1  0.04  0.55  0.9  1.0
  O  O21  1  0.9  0.12  0.53  1.0
  O  O22  1  0.34  0.97  0.26  1.0
  O  O23  1  0.96  0.22  0.76  1.0
  O  O24  1  0.58  0.36  0.93  1.0
  O  O25  1  0.71  0.61  0.43  1.0
  O  O26  1  0.28  0.46  0.16  1.0
  O  O27  1  0.66  0.03  0.79  1.0
  O  O28  1  0.71  0.13  0.45  1.0
  O  O29  1  0.85  0.7  0.82  1.0
  O  O30  1  0.41  0.55  0.77  1.0
  O  O31  1  0.79  0.8  0.27  1.0

data_SrH2(CO2)2
_symmetry_space_group_name_H-M   P1
_cell_length_a   6.75
_cell_length_b   7.16
_cell_length_c   8.69
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrH2(CO2)2
_chemical_formula_sum   'Sr4 H8 C8 O16'
_cell_volume   420.04
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sr  Sr0  1  0.04  0.84  0.41  1.0
  Sr  Sr1  1  0.33  0.32  0.75  1.0
  Sr  Sr2  1  0.42  0.74  0.28  1.0
  Sr  Sr3  1  0.71  0.42  0.94  1.0
  H  H4  1  0.04  0.77  0.14  1.0
  H  H5  1  0.07  0.52  0.43  1.0
  H  H6  1  0.3  0.64  0.78  1.0
  H  H7  1  0.33  0.39  0.49  1.0
  H  H8  1  0.42  0.97  0.55  1.0
  H  H9  1  0.45  0.06  0.26  1.0
  H  H10  1  0.68  0.1  0.91  1.0
  H  H11  1  0.71  0.19  0.2  1.0
  C  C12  1  0.06  0.17  0.93  1.0
  C  C13  1  0.07  0.98  0.58  1.0
  C  C14  1  0.23  0.06  0.6  1.0
  C  C15  1  0.52  0.48  0.43  1.0
  C  C16  1  0.69  0.4  0.76  1.0
  C  C17  1  0.69  0.75  0.11  1.0
  C  C18  1  0.86  0.68  0.09  1.0
  C  C19  1  0.89  0.1  0.26  1.0
  O  O20  1  0.04  0.19  0.92  1.0
  O  O21  1  0.04  0.55  0.9  1.0
  O  O22  1  0.09  0.61  0.25  1.0
  O  O23  1  0.17  0.94  0.42  1.0
  O  O24  1  0.28  0.46  0.16  1.0
  O  O25  1  0.34  0.97  0.26  1.0
  O  O26  1  0.41  0.55  0.77  1.0
  O  O27  1  0.47  0.04  0.88  1.0
  O  O28  1  0.58  0.36  0.93  1.0
  O  O29  1  0.66  0.03  0.79  1.0
  O  O30  1  0.71  0.13  0.45  1.0
  O  O31  1  0.71  0.61  0.43  1.0
  O  O32  1  0.79  0.8  0.27  1.0
  O  O33  1  0.85  0.7  0.82  1.0
  O  O34  1  0.9  0.12  0.53  1.0
  O  O35  1  0.96  0.22  0.76  1.0

Sr Sr Sr Sr H H H H H H H H C C C C C C C C O O O O O O O O O O O O O O O O
Sr Sr Sr Sr H H H H H H H H C C C C C C C C O O O O O O O O O O O O O O O O 0 34 o o o 1 20 o o o 1 35 - o o 2 26 o o o 3 28 o o o 3 17 o o o 4 19 o + o 5 8 o o o 5 23 o o o 6 34 o o o 6 24 o o o 7 16 o o o 8 15 o o o 9 31 o o o 9 22 o o o 10 26 o - o 11 12 - o o 11 23 o o o 11 35 - o o 12 18 o o o 12 24 + o - 12 35 o o o 13 25 - + o 13 19 o + o 14 21 o o o 14 27 - o o 15 29 o o o 17 28 o o o 18 35 o o o 21 27 - o o 22 31 o o o 23 30 o o o 24 33 - o o 25 32 o o o 29 35 o o o 
Sr(HCOO)2 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted single-bond geometry to one C(8), one H(5), one O(15), one O(3), one O(5), and one O(8) atom. The Sr(1)-C(8) bond length is 2.37 Å. The Sr(1)-H(5) bond length is 2.37 Å. The Sr(1)-O(15) bond length is 1.74 Å. The Sr(1)-O(3) bond length is 2.47 Å. The Sr(1)-O(5) bond length is 2.85 Å. The Sr(1)-O(8) bond length is 2.63 Å. In the second Sr site, Sr(2) is bonded in a distorted single-bond geometry to one C(2), one H(2), one O(1), and one O(16) atom. The Sr(2)-C(2) bond length is 1.85 Å. The Sr(2)-H(2) bond length is 2.30 Å. The Sr(2)-O(1) bond length is 1.12 Å. The Sr(2)-O(16) bond length is 2.07 Å. In the third Sr site, Sr(3) is bonded in a distorted single-bond geometry to one C(4), one C(7), one O(11), and one O(7) atom. The Sr(3)-C(4) bond length is 2.37 Å. The Sr(3)-C(7) bond length is 2.38 Å. The Sr(3)-O(11) bond length is 2.47 Å. The Sr(3)-O(7) bond length is 1.74 Å. In the fourth Sr site, Sr(4) is bonded in a distorted single-bond geometry to one C(1), one C(6), one O(14), one O(5), and one O(9) atom. The Sr(4)-C(1) bond length is 2.50 Å. The Sr(4)-C(6) bond length is 1.53 Å. The Sr(4)-O(14) bond length is 2.47 Å. The Sr(4)-O(5) bond length is 2.46 Å. The Sr(4)-O(9) bond length is 0.94 Å. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a 4-coordinate geometry to one Sr(4), one C(7), one H(8), and one O(16) atom. The C(1)-C(7) bond length is 1.27 Å. The C(1)-H(8) bond length is 1.48 Å. The C(1)-O(16) bond length is 1.88 Å. In the second C site, C(2) is bonded in a 4-coordinate geometry to one Sr(2), one C(8), one O(1), and one O(6) atom. The C(2)-C(8) bond length is 1.27 Å. The C(2)-O(1) bond length is 1.64 Å. The C(2)-O(6) bond length is 1.54 Å. In the third C site, C(3) is bonded in a single-bond geometry to one O(2) atom. The C(3)-O(2) bond length is 0.21 Å. In the fourth C site, C(4) is bonded in a 3-coordinate geometry to one Sr(3), one H(5), and one O(10) atom. The C(4)-H(5) bond length is 1.48 Å. The C(4)-O(10) bond length is 1.61 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one H(4) and one O(13) atom. The C(5)-H(4) bond length is 1.48 Å. The C(5)-O(13) bond length is 2.07 Å. In the sixth C site, C(6) is bonded in a 2-coordinate geometry to one Sr(4) and one O(9) atom. The C(6)-O(9) bond length is 1.64 Å. In the seventh C site, C(7) is bonded in a 3-coordinate geometry to one Sr(3), one C(1), and one O(16) atom. The C(7)-O(16) bond length is 1.64 Å. In the eighth C site, C(8) is bonded in a 4-coordinate geometry to one Sr(1), one C(2), one H(1), and one O(1) atom. The C(8)-H(1) bond length is 1.48 Å. The C(8)-O(1) bond length is 1.88 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(8) atom. In the second H site, H(2) is bonded in a 2-coordinate geometry to one Sr(2) and one O(4) atom. The H(2)-O(4) bond length is 1.75 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(15) atom. The H(3)-O(15) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a bent 120 degrees geometry to one Sr(1) and one C(4) atom. In the sixth H site, H(6) is bonded in a 2-coordinate geometry to one O(12) and one O(3) atom. The H(6)-O(12) bond length is 1.18 Å. The H(6)-O(3) bond length is 1.48 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(7) atom. The H(7)-O(7) bond length is 0.99 Å. In the eighth H site, H(8) is bonded in a distorted L-shaped geometry to one C(1) and one O(4) atom. The H(8)-O(4) bond length is 1.48 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Sr(2), one C(2), and one C(8) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(3) and one O(8) atom. The O(2)-O(8) bond length is 1.47 Å. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one H(6), and one O(12) atom. The O(3)-O(12) bond length is 1.48 Å. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one H(2), one H(8), and one O(11) atom. The O(4)-O(11) bond length is 1.83 Å. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(4), and one O(14) atom. The O(5)-O(14) bond length is 1.83 Å. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one C(2) and one O(13) atom. The O(6)-O(13) bond length is 1.48 Å. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Sr(3) and one H(7) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Sr(1) and one O(2) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Sr(4) and one C(6) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one C(4) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Sr(3) and one O(4) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one H(6) and one O(3) atom. In the thirteenth O site, O(13) is bonded in an L-shaped geometry to one C(5) and one O(6) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Sr(4) and one O(5) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Sr(1) and one H(3) atom. In the sixteenth O site, O(16) is bonded in a 2-coordinate geometry to one Sr(2), one C(1), and one C(7) atom.