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Computational Chemistry Comparison and Benchmark DataBase
Release 22 (May 2022) Standard Reference Database 101
National Institute of Standards and Technology
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You are here: Home > Geometry > Calculated > Calculated geometry OR Calculated > Geometry > Calculated geometry
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Geometry for C2H4O (Ethylene oxide)
1A1 C2V
1910171554
InChI=1S/C2H4O/c1-2-3-1/h1-2H2 INChIKey=IAYPIBMASNFSPL-UHFFFAOYSA-N
PBEPBE/6-311G*
Point group is C2v
| Atom |
Internal |
|
Principal |
| x (Å) |
y (Å) |
z (Å) |
|
a (Å) |
b (Å) |
c (Å) |
| O1 |
0.0000 |
0.0000 |
0.8590 |
|
0.0000 |
0.8590 |
0.0000 |
| C2 |
0.0000 |
0.7358 |
-0.3738 |
|
0.7358 |
-0.3738 |
0.0000 |
| C3 |
0.0000 |
-0.7358 |
-0.3738 |
|
-0.7358 |
-0.3738 |
0.0000 |
| H4 |
0.9277 |
1.2773 |
-0.5966 |
|
1.2773 |
-0.5966 |
0.9277 |
| H5 |
-0.9277 |
1.2773 |
-0.5966 |
|
1.2773 |
-0.5966 |
-0.9277 |
| H6 |
-0.9277 |
-1.2773 |
-0.5966 |
|
-1.2773 |
-0.5966 |
-0.9277 |
| H7 |
0.9277 |
-1.2773 |
-0.5966 |
|
-1.2773 |
-0.5966 |
0.9277 |
Atom - Atom Distances (Å)
| |
O1 |
C2 |
C3 |
H4 |
H5 |
H6 |
H7 |
| O1 |
|
1.4358 |
1.4358 |
2.1473 |
2.1473 |
2.1473 |
2.1473 |
| C2 |
1.4358 |
|
1.4717 |
1.0970 |
1.0970 |
2.2278 |
2.2278 |
| C3 |
1.4358 |
1.4717 |
| 2.2278 |
2.2278 |
1.0970 |
1.0970 |
| H4 |
2.1473 |
1.0970 |
2.2278 |
| 1.8553 |
3.1573 |
2.5547 |
| H5 |
2.1473 |
1.0970 |
2.2278 |
1.8553 |
| 2.5547 |
3.1573 |
| H6 |
2.1473 |
2.2278 |
1.0970 |
3.1573 |
2.5547 |
| 1.8553 |
| H7 |
2.1473 |
2.2278 |
1.0970 |
2.5547 |
3.1573 |
1.8553 |
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Maximum atom distance is 3.1573Å
between atoms H4 and H6.
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
|
O1 |
C2 |
C3 |
59.169 |
|
O1 |
C3 |
C2 |
59.169 |
|
C2 |
O1 |
C3 |
61.662 |
|
Calculated Bond Angles (degrees) (Involving Hydrogens)
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
|
O1 |
C2 |
H4 |
115.298 |
|
O1 |
C2 |
H5 |
115.298 |
|
O1 |
C3 |
H6 |
115.298 |
|
O1 |
C3 |
H7 |
115.298 |
|
C2 |
C3 |
H6 |
119.578 |
|
C2 |
C3 |
H7 |
119.578 |
|
C3 |
C2 |
H4 |
119.578 |
|
C3 |
C2 |
H5 |
119.578 |
|
H4 |
C2 |
H5 |
115.483 |
|
H6 |
C3 |
H7 |
115.483 |
For information on specific bond angles or dihedrals
see the geometry comparison page in section
Comparisons > Geometry > Bonds, angles.