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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 C3H4O (2-Propyn-1-ol)
1A' CS
1910171554
InChI=1S/C3H4O/c1-2-3-4/h1,4H,3H2 INChIKey=TVDSBUOJIPERQY-UHFFFAOYSA-N
B97D3/aug-cc-pVTZ
Point group is Cs
| Atom |
Internal |
|
Principal |
| x (Å) |
y (Å) |
z (Å) |
|
a (Å) |
b (Å) |
c (Å) |
| C1 |
-0.6591 |
-0.5023 |
0.0000 |
|
-0.4131 |
-0.7184 |
0.0000 |
| C2 |
0.0000 |
0.7962 |
0.0000 |
|
0.7896 |
0.1027 |
0.0000 |
| C3 |
0.5182 |
1.8859 |
0.0000 |
|
1.8033 |
0.7571 |
0.0000 |
| O4 |
0.3275 |
-1.5478 |
0.0000 |
|
-1.5771 |
0.1251 |
0.0000 |
| H5 |
-1.3061 |
-0.5754 |
0.8888 |
|
-0.4021 |
-1.3694 |
0.8888 |
| H6 |
-1.3061 |
-0.5754 |
-0.8888 |
|
-0.4021 |
-1.3694 |
-0.8888 |
| H7 |
0.9842 |
2.8439 |
0.0000 |
|
2.6932 |
1.3429 |
0.0000 |
| H8 |
-0.1467 |
-2.3893 |
0.0000 |
|
-2.3504 |
-0.4537 |
0.0000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
C3 |
O4 |
H5 |
H6 |
H7 |
H8 |
| C1 |
|
1.4562 |
2.6626 |
1.4375 |
1.1018 |
1.1018 |
3.7280 |
1.9552 |
| C2 |
1.4562 |
|
1.2066 |
2.3668 |
2.0922 |
2.0922 |
2.2720 |
3.1888 |
| C3 |
2.6626 |
1.2066 |
| 3.4390 |
3.1900 |
3.1900 |
1.0654 |
4.3265 |
| O4 |
1.4375 |
2.3668 |
3.4390 |
| 2.0986 |
2.0986 |
4.4406 |
0.9659 |
| H5 |
1.1018 |
2.0922 |
3.1900 |
2.0986 |
| 1.7775 |
4.2104 |
2.3289 |
| H6 |
1.1018 |
2.0922 |
3.1900 |
2.0986 |
1.7775 |
| 4.2104 |
2.3289 |
| H7 |
3.7280 |
2.2720 |
1.0654 |
4.4406 |
4.2104 |
4.2104 |
| 5.3540 |
| H8 |
1.9552 |
3.1888 |
4.3265 |
0.9659 |
2.3289 |
2.3289 |
5.3540 |
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Maximum atom distance is 5.3540Å
between atoms H7 and H8.
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
|
C1 |
C2 |
C3 |
178.524 |
|
C2 |
C1 |
O4 |
109.751 |
Calculated Bond Angles (degrees) (Involving Hydrogens)
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
|
C1 |
O4 |
H8 |
107.255 |
|
C2 |
C1 |
H5 |
108.964 |
|
C2 |
C1 |
H6 |
108.964 |
|
C2 |
C3 |
H7 |
179.493 |
|
O4 |
C1 |
H5 |
110.781 |
|
O4 |
C1 |
H6 |
110.781 |
|
H5 |
C1 |
H6 |
107.542 |
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For information on specific bond angles or dihedrals
see the geometry comparison page in section
Comparisons > Geometry > Bonds, angles.