The compound described by KCo(CO)4 crystallizes in the triclinic P1 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 4-coordinate geometry to one O(10), one O(12), one O(6), and one O(7) atom. In the second K site, K(2) is bonded in a 5-coordinate geometry to one O(1), one O(13), one O(15), one O(3), and one O(9) atom. In the third K site, K(3) is bonded in a 4-coordinate geometry to one O(11), one O(14), one O(16), and one O(4) atom. In the fourth K site, K(4) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(5), and one O(8) atom. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in a tetrahedral geometry to one C(12), one C(3), one C(4), and one C(9) atom. In the second Co site, Co(2) is bonded in a tetrahedral geometry to one C(13), one C(14), one C(16), and one C(8) atom. In the third Co site, Co(3) is bonded in a tetrahedral geometry to one C(10), one C(15), one C(2), and one C(6) atom. In the fourth Co site, Co(4) is bonded in a tetrahedral geometry to one C(1), one C(11), one C(5), and one C(7) atom. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a linear geometry to one Co(4) and one O(4) atom. In the second C site, C(2) is bonded in a linear geometry to one Co(3) and one O(2) atom. In the third C site, C(3) is bonded in a linear geometry to one Co(1) and one O(8) atom. In the fourth C site, C(4) is bonded in a linear geometry to one Co(1) and one O(11) atom. In the fifth C site, C(5) is bonded in a linear geometry to one Co(4) and one O(1) atom. In the sixth C site, C(6) is bonded in a linear geometry to one Co(3) and one O(16) atom. In the seventh C site, C(7) is bonded in a linear geometry to one Co(4) and one O(12) atom. In the eighth C site, C(8) is bonded in a linear geometry to one Co(2) and one O(6) atom. In the ninth C site, C(9) is bonded in a linear geometry to one Co(1) and one O(7) atom. In the tenth C site, C(10) is bonded in a linear geometry to one Co(3) and one O(10) atom. In the eleventh C site, C(11) is bonded in a linear geometry to one Co(4) and one O(9) atom. In the twelfth C site, C(12) is bonded in a linear geometry to one Co(1) and one O(15) atom. In the thirteenth C site, C(13) is bonded in a linear geometry to one Co(2) and one O(3) atom. In the fourteenth C site, C(14) is bonded in a linear geometry to one Co(2) and one O(5) atom. In the fifteenth C site, C(15) is bonded in a linear geometry to one Co(3) and one O(13) atom. In the sixteenth C site, C(16) is bonded in a linear geometry to one Co(2) and one O(14) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(2), one K(4), and one C(5) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one K(4) and one C(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(2) and one C(13) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one K(3) and one C(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one K(4) and one C(14) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one K(1) and one C(8) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one K(1) and one C(9) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one K(4) and one C(3) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one K(2) and one C(11) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one K(1) and one C(10) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one K(3) and one C(4) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one K(1) and one C(7) atom. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to one K(2) and one C(15) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one K(3) and one C(16) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one K(2) and one C(12) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one K(3) and one C(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_KCo(CO)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.738
_cell_length_b   11.357
_cell_length_c   12.154
_cell_angle_alpha   97.831
_cell_angle_beta   103.543
_cell_angle_gamma   104.577
_symmetry_Int_Tables_number   1
_cell_volume   729.057
_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
  K  K0  1  0.943  0.215  0.059  1.0
  K  K1  1  0.665  0.290  0.445  1.0
  K  K2  1  0.066  0.786  0.939  1.0
  K  K3  1  0.336  0.714  0.556  1.0
  Co  Co4  1  0.435  0.511  0.256  1.0
  Co  Co5  1  0.333  0.010  0.756  1.0
  Co  Co6  1  0.667  0.992  0.245  1.0
  Co  Co7  1  0.572  0.490  0.744  1.0
  C  C8  1  0.463  0.601  0.812  1.0
  C  C9  1  0.543  0.922  0.346  1.0
  C  C10  1  0.710  0.624  0.339  1.0
  C  C11  1  0.278  0.581  0.155  1.0
  C  C12  1  0.765  0.537  0.658  1.0
  C  C13  1  0.739  0.876  0.162  1.0
  C  C14  1  0.728  0.421  0.846  1.0
  C  C15  1  0.252  0.124  0.837  1.0
  C  C16  1  0.545  0.400  0.189  1.0
  C  C17  1  0.433  0.038  0.160  1.0
  C  C18  1  0.298  0.376  0.663  1.0
  C  C19  1  0.232  0.463  0.337  1.0
  C  C20  1  0.461  0.080  0.655  1.0
  C  C21  1  0.045  0.900  0.688  1.0
  C  C22  1  0.956  0.102  0.311  1.0
  C  C23  1  0.567  0.962  0.839  1.0
  O  O24  1  0.898  0.561  0.597  1.0
  O  O25  1  0.459  0.869  0.411  1.0
  O  O26  1  0.550  0.130  0.590  1.0
  O  O27  1  0.376  0.671  0.856  1.0
  O  O28  1  0.842  0.831  0.644  1.0
  O  O29  1  0.191  0.201  0.888  1.0
  O  O30  1  0.635  0.329  0.148  1.0
  O  O31  1  0.899  0.700  0.391  1.0
  O  O32  1  0.110  0.300  0.610  1.0
  O  O33  1  0.264  0.061  0.099  1.0
  O  O34  1  0.171  0.630  0.089  1.0
  O  O35  1  0.821  0.369  0.912  1.0
  O  O36  1  0.160  0.171  0.352  1.0
  O  O37  1  0.735  0.935  0.896  1.0
  O  O38  1  0.093  0.436  0.394  1.0
  O  O39  1  0.794  0.798  0.109  1.0
[/CIF]
.
The compound described by KCo(CO)4 crystallizes in the triclinic P1 space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 4-coordinate geometry to one O(10), one O(12), one O(6), and one O(7) atom. In the second K site, K(2) is bonded in a 5-coordinate geometry to one O(1), one O(13), one O(15), one O(3), and one O(9) atom. In the third K site, K(3) is bonded in a 4-coordinate geometry to one O(11), one O(14), one O(16), and one O(4) atom. In the fourth K site, K(4) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(5), and one O(8) atom. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in a tetrahedral geometry to one C(12), one C(3), one C(4), and one C(9) atom. In the second Co site, Co(2) is bonded in a tetrahedral geometry to one C(13), one C(14), one C(16), and one C(8) atom. In the third Co site, Co(3) is bonded in a tetrahedral geometry to one C(10), one C(15), one C(2), and one C(6) atom. In the fourth Co site, Co(4) is bonded in a tetrahedral geometry to one C(1), one C(11), one C(5), and one C(7) atom. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a linear geometry to one Co(4) and one O(4) atom. In the second C site, C(2) is bonded in a linear geometry to one Co(3) and one O(2) atom. In the third C site, C(3) is bonded in a linear geometry to one Co(1) and one O(8) atom. In the fourth C site, C(4) is bonded in a linear geometry to one Co(1) and one O(11) atom. In the fifth C site, C(5) is bonded in a linear geometry to one Co(4) and one O(1) atom. In the sixth C site, C(6) is bonded in a linear geometry to one Co(3) and one O(16) atom. In the seventh C site, C(7) is bonded in a linear geometry to one Co(4) and one O(12) atom. In the eighth C site, C(8) is bonded in a linear geometry to one Co(2) and one O(6) atom. In the ninth C site, C(9) is bonded in a linear geometry to one Co(1) and one O(7) atom. In the tenth C site, C(10) is bonded in a linear geometry to one Co(3) and one O(10) atom. In the eleventh C site, C(11) is bonded in a linear geometry to one Co(4) and one O(9) atom. In the twelfth C site, C(12) is bonded in a linear geometry to one Co(1) and one O(15) atom. In the thirteenth C site, C(13) is bonded in a linear geometry to one Co(2) and one O(3) atom. In the fourteenth C site, C(14) is bonded in a linear geometry to one Co(2) and one O(5) atom. In the fifteenth C site, C(15) is bonded in a linear geometry to one Co(3) and one O(13) atom. In the sixteenth C site, C(16) is bonded in a linear geometry to one Co(2) and one O(14) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(2), one K(4), and one C(5) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one K(4) and one C(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(2) and one C(13) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one K(3) and one C(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one K(4) and one C(14) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one K(1) and one C(8) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to one K(1) and one C(9) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one K(4) and one C(3) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one K(2) and one C(11) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one K(1) and one C(10) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one K(3) and one C(4) atom. In the twelfth O site, O(12) is bonded in a distorted linear geometry to one K(1) and one C(7) atom. In the thirteenth O site, O(13) is bonded in a distorted linear geometry to one K(2) and one C(15) atom. In the fourteenth O site, O(14) is bonded in a distorted single-bond geometry to one K(3) and one C(16) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one K(2) and one C(12) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one K(3) and one C(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_KCo(CO)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.738
_cell_length_b   11.357
_cell_length_c   12.154
_cell_angle_alpha   97.831
_cell_angle_beta   103.543
_cell_angle_gamma   104.577
_symmetry_Int_Tables_number   1
_cell_volume   729.057
_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
  K  K0  1  0.943  0.215  0.059  1.0
  K  K1  1  0.665  0.290  0.445  1.0
  K  K2  1  0.066  0.786  0.939  1.0
  K  K3  1  0.336  0.714  0.556  1.0
  Co  Co4  1  0.435  0.511  0.256  1.0
  Co  Co5  1  0.333  0.010  0.756  1.0
  Co  Co6  1  0.667  0.992  0.245  1.0
  Co  Co7  1  0.572  0.490  0.744  1.0
  C  C8  1  0.463  0.601  0.812  1.0
  C  C9  1  0.543  0.922  0.346  1.0
  C  C10  1  0.710  0.624  0.339  1.0
  C  C11  1  0.278  0.581  0.155  1.0
  C  C12  1  0.765  0.537  0.658  1.0
  C  C13  1  0.739  0.876  0.162  1.0
  C  C14  1  0.728  0.421  0.846  1.0
  C  C15  1  0.252  0.124  0.837  1.0
  C  C16  1  0.545  0.400  0.189  1.0
  C  C17  1  0.433  0.038  0.160  1.0
  C  C18  1  0.298  0.376  0.663  1.0
  C  C19  1  0.232  0.463  0.337  1.0
  C  C20  1  0.461  0.080  0.655  1.0
  C  C21  1  0.045  0.900  0.688  1.0
  C  C22  1  0.956  0.102  0.311  1.0
  C  C23  1  0.567  0.962  0.839  1.0
  O  O24  1  0.898  0.561  0.597  1.0
  O  O25  1  0.459  0.869  0.411  1.0
  O  O26  1  0.550  0.130  0.590  1.0
  O  O27  1  0.376  0.671  0.856  1.0
  O  O28  1  0.842  0.831  0.644  1.0
  O  O29  1  0.191  0.201  0.888  1.0
  O  O30  1  0.635  0.329  0.148  1.0
  O  O31  1  0.899  0.700  0.391  1.0
  O  O32  1  0.110  0.300  0.610  1.0
  O  O33  1  0.264  0.061  0.099  1.0
  O  O34  1  0.171  0.630  0.089  1.0
  O  O35  1  0.821  0.369  0.912  1.0
  O  O36  1  0.160  0.171  0.352  1.0
  O  O37  1  0.735  0.935  0.896  1.0
  O  O38  1  0.093  0.436  0.394  1.0
  O  O39  1  0.794  0.798  0.109  1.0
[/CIF]
.