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Geometry for H2OH2O (water dimer) 1A' CS

1910171554
InChI=1S/H4O2/c1-3-2/h1H,2H2 INChIKey=CIFBQZMBEZYWOK-UHFFFAOYSA-N

B3LYPultrafine_cp_opt/6-31G*


Point group is Cs
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
H1 0.0753 0.5444 0.0000   -0.0033 0.0753 0.5444
O2 0.0023 1.5185 0.0000   -0.0001 0.0023 1.5185
O3 0.0023 -1.3925 0.0000   -0.0001 0.0023 -1.3925
H4 0.9234 1.8155 0.0000   -0.0408 0.9225 1.8155
H5 -0.5176 -1.6838 0.7646   0.7867 -0.4834 -1.6838
H6 -0.5176 -1.6838 -0.7646   -0.7410 -0.5509 -1.6838
X7 0.9965 0.8413 0.0000   -0.0440 0.9955 0.8413
X8 -1.0375 -1.9750 0.0000   0.0458 -1.0365 -1.9750
Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 H6 X7 X8
H1 0.9769 1.9383 1.5281 2.4291 2.4291 0.9679 2.7542
O2 0.9769 2.9110 0.9679 3.3331 3.3331 1.2029 3.6450
O3 1.9383 2.9110 3.3376 0.9694 0.9694 2.4451 1.1918
H4 1.5281 0.9679 3.3376 3.8608 3.8608 0.9769 4.2677
H5 2.4291 3.3331 0.9694 3.8608 1.5291 3.0419 0.9694
H6 2.4291 3.3331 0.9694 3.8608 1.5291 3.0419 0.9694
X7 0.9679 1.2029 2.4451 0.9769 3.0419 3.0419 3.4741
X8 2.7542 3.6450 1.1918 4.2677 0.9694 0.9694 3.4741
Maximum atom distance is 4.2677Å between atoms H4 and X8.
picture of water dimer
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
H1 O2 H4 103.579 H1 O3 H5 108.690
H1 O3 H6 108.690 O2 H1 O3 173.551
H5 O3 H6 104.133

For information on specific bond angles or dihedrals see the geometry comparison page in section Comparisons > Geometry > Bonds, angles.