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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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Geometry for CH3C(OH)=NH (Ethaninidic acid)
1A' CS
1910171554
InChI=1S/C2H5NO/c1-2(3)4/h1H3,(H2,3,4) INChIKey=
mPW1PW91/aug-cc-pVDZ
Point group is Cs
| Atom |
Internal |
|
Principal |
| x (Å) |
y (Å) |
z (Å) |
|
a (Å) |
b (Å) |
c (Å) |
| C1 |
0.0000 |
0.1288 |
0.0000 |
|
0.0996 |
-0.0817 |
0.0000 |
| C2 |
0.9242 |
-1.0486 |
0.0000 |
|
-0.2252 |
1.3794 |
0.0000 |
| N3 |
0.2735 |
1.3702 |
0.0000 |
|
1.2332 |
-0.6569 |
0.0000 |
| O4 |
-1.2945 |
-0.2604 |
0.0000 |
|
-1.0219 |
-0.8361 |
0.0000 |
| H5 |
1.9683 |
-0.7252 |
0.0000 |
|
0.6867 |
1.9821 |
0.0000 |
| H6 |
0.7335 |
-1.6696 |
0.8839 |
|
-0.8264 |
1.6256 |
0.8839 |
| H7 |
0.7335 |
-1.6696 |
-0.8839 |
|
-0.8264 |
1.6256 |
-0.8839 |
| H8 |
1.2791 |
1.5221 |
0.0000 |
|
1.9880 |
0.0246 |
0.0000 |
| H9 |
-1.8186 |
0.5524 |
0.0000 |
|
-0.7255 |
-1.7568 |
0.0000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
N3 |
O4 |
H5 |
H6 |
H7 |
H8 |
H9 |
| C1 |
|
1.4968 |
1.2712 |
1.3517 |
2.1456 |
2.1339 |
2.1339 |
1.8914 |
1.8673 |
| C2 |
1.4968 |
| 2.5048 |
2.3545 |
1.0931 |
1.0970 |
1.0970 |
2.5950 |
3.1759 |
| N3 |
1.2712 |
2.5048 |
| 2.2622 |
2.6950 |
3.1990 |
3.1990 |
1.0170 |
2.2463 |
| O4 |
1.3517 |
2.3545 |
2.2622 |
| 3.2957 |
2.6229 |
2.6229 |
3.1306 |
0.9672 |
| H5 |
2.1456 |
1.0931 |
2.6950 |
3.2957 |
| 1.7883 |
1.7883 |
2.3506 |
3.9967 |
| H6 |
2.1339 |
1.0970 |
3.1990 |
2.6229 |
1.7883 |
| 1.7678 |
3.3565 |
3.4974 |
| H7 |
2.1339 |
1.0970 |
3.1990 |
2.6229 |
1.7883 |
1.7678 |
| 3.3565 |
3.4974 |
| H8 |
1.8914 |
2.5950 |
1.0170 |
3.1306 |
2.3506 |
3.3565 |
3.3565 |
| 3.2460 |
| H9 |
1.8673 |
3.1759 |
2.2463 |
0.9672 |
3.9967 |
3.4974 |
3.4974 |
3.2460 |
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Maximum atom distance is 3.9967Å
between atoms H5 and H9.
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
|
C2 |
C1 |
N3 |
129.444 |
|
C2 |
C1 |
O4 |
111.395 |
|
N3 |
C1 |
O4 |
119.161 |
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Calculated Bond Angles (degrees) (Involving Hydrogens)
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
|
C1 |
C2 |
H5 |
110.922 |
|
C1 |
C2 |
H6 |
109.757 |
|
C1 |
C2 |
H7 |
109.757 |
|
C1 |
N3 |
H8 |
111.014 |
|
C1 |
O4 |
H9 |
106.084 |
|
H5 |
C2 |
H6 |
109.483 |
|
H5 |
C2 |
H7 |
109.483 |
|
H6 |
C2 |
H7 |
107.368 |
For information on specific bond angles or dihedrals
see the geometry comparison page in section
Comparisons > Geometry > Bonds, angles.