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Geometry for H2OHCOOH (Water formic acid dimer 2) 1A C1

1910171554
InChI=1S/CH4O3/c2-1-4-5-3/h1-3H INChIKey=PCNCOKRQLSLTAM-UHFFFAOYSA-N

G3B3
This model chemistry uses a geometry from B3LYP/6-31G*


Point group is C1
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
H1 -1.7487 0.4312 -0.1402   1.7489 0.4363 0.1209
O2 -2.3926 -0.2989 -0.0921   2.3941 -0.2925 0.0709
O3 0.2004 0.9531 0.0021   -0.2028 0.9526 -0.0058
H4 -2.7746 -0.2085 0.7935   2.7673 -0.2065 -0.8188
C5 0.6514 -0.1723 -0.0023   -0.6510 -0.1739 0.0096
O6 1.9585 -0.4654 0.0100   -1.9573 -0.4702 0.0115
H7 0.0414 -1.0831 -0.0167   -0.0386 -1.0830 0.0234
H8 2.4431 0.3837 0.0178   -2.4441 0.3776 0.0033
Atom - Atom Distances (Å)
  H1 O2 O3 H4 C5 O6 H7 H8
H1 0.9746 2.0228 1.5276 2.4787 3.8170 2.3480 4.1950
O2 0.9746 2.8809 0.9687 3.0479 4.3554 2.5583 4.8848
O3 2.0228 2.8809 3.2903 1.2124 2.2590 2.0424 2.3139
H4 1.5276 0.9687 3.2903 3.5174 4.8043 3.0579 5.3081
C5 2.4787 3.0479 1.2124 3.5174 1.3395 1.0963 1.8760
O6 3.8170 4.3554 2.2590 4.8043 1.3395 2.0143 0.9776
H7 2.3480 2.5583 2.0424 3.0579 1.0963 2.0143 2.8143
H8 4.1950 4.8848 2.3139 5.3081 1.8760 0.9776 2.8143
Maximum atom distance is 5.3081Å between atoms H4 and H8.
picture of Water formic acid dimer 2
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
O3 C5 O6 124.926
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
H1 O2 H4 104.792 H1 O3 C5 99.269
O2 H1 O3 143.489 O3 C5 H7 124.180
C5 O6 H8 107.754 O6 C5 H7 110.893

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