|
Computational Chemistry Comparison and Benchmark DataBase
Release 22 (May 2022) Standard Reference Database 101
National Institute of Standards and Technology
|
|
|
|
You are here: Home > Geometry > Calculated > Calculated geometry OR Calculated > Geometry > Calculated geometry
|
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.
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.