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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 CH3CH(CH3)CH3 (Isobutane)
1A1 C3V
1910171554
InChI=1S/C4H10/c1-4(2)3/h4H,1-3H3 INChIKey=NNPPMTNAJDCUHE-UHFFFAOYSA-N
B2PLYP/6-31G*
Point group is C3v
| Atom |
Internal |
|
Principal |
| x (Å) |
y (Å) |
z (Å) |
|
a (Å) |
b (Å) |
c (Å) |
| C1 |
0.0000 |
0.0000 |
0.3742 |
|
0.0000 |
0.0000 |
0.3742 |
| H2 |
0.0000 |
0.0000 |
1.4727 |
|
0.0000 |
0.0000 |
1.4727 |
| C3 |
0.0000 |
1.4582 |
-0.0959 |
|
-0.8261 |
1.2016 |
-0.0959 |
| C4 |
1.2628 |
-0.7291 |
-0.0959 |
|
1.4537 |
0.1146 |
-0.0959 |
| C5 |
-1.2628 |
-0.7291 |
-0.0959 |
|
-0.6276 |
-1.3162 |
-0.0959 |
| H6 |
0.0000 |
1.5107 |
-1.1905 |
|
-0.8559 |
1.2449 |
-1.1905 |
| H7 |
1.3083 |
-0.7554 |
-1.1905 |
|
1.5060 |
0.1188 |
-1.1905 |
| H8 |
-1.3083 |
-0.7554 |
-1.1905 |
|
-0.6502 |
-1.3636 |
-1.1905 |
| H9 |
0.8849 |
1.9930 |
0.2632 |
|
-0.4000 |
2.1437 |
0.2632 |
| H10 |
-0.8849 |
1.9930 |
0.2632 |
|
-1.8583 |
1.1410 |
0.2632 |
| H11 |
1.2836 |
-1.7628 |
0.2632 |
|
2.0564 |
-0.7255 |
0.2632 |
| H12 |
2.1685 |
-0.2302 |
0.2632 |
|
1.9173 |
1.0388 |
0.2632 |
| H13 |
-2.1685 |
-0.2302 |
0.2632 |
|
-1.6565 |
-1.4182 |
0.2632 |
| H14 |
-1.2836 |
-1.7628 |
0.2632 |
|
-0.0590 |
-2.1798 |
0.2632 |
Atom - Atom Distances (Å)
| |
C1 |
H2 |
C3 |
C4 |
C5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
H12 |
H13 |
H14 |
| C1 |
|
1.0985 |
1.5321 |
1.5321 |
1.5321 |
2.1750 |
2.1750 |
2.1750 |
2.1835 |
2.1835 |
2.1835 |
2.1835 |
2.1835 |
2.1835 |
| H2 |
1.0985 |
| 2.1416 |
2.1416 |
2.1416 |
3.0618 |
3.0618 |
3.0618 |
2.4936 |
2.4936 |
2.4936 |
2.4936 |
2.4936 |
2.4936 |
| C3 |
1.5321 |
2.1416 |
| 2.5257 |
2.5257 |
1.0959 |
2.7946 |
2.7946 |
1.0945 |
1.0945 |
3.4859 |
2.7716 |
2.7716 |
3.4859 |
| C4 |
1.5321 |
2.1416 |
2.5257 |
| 2.5257 |
2.7946 |
1.0959 |
2.7946 |
2.7716 |
3.4859 |
1.0945 |
1.0945 |
3.4859 |
2.7716 |
| C5 |
1.5321 |
2.1416 |
2.5257 |
2.5257 |
| 2.7946 |
2.7946 |
1.0959 |
3.4859 |
2.7716 |
2.7716 |
3.4859 |
1.0945 |
1.0945 |
| H6 |
2.1750 |
3.0618 |
1.0959 |
2.7946 |
2.7946 |
| 2.6166 |
2.6166 |
1.7688 |
1.7688 |
3.8049 |
3.1379 |
3.1379 |
3.8049 |
| H7 |
2.1750 |
3.0618 |
2.7946 |
1.0959 |
2.7946 |
2.6166 |
| 2.6166 |
3.1379 |
3.8049 |
1.7688 |
1.7688 |
3.8049 |
3.1379 |
| H8 |
2.1750 |
3.0618 |
2.7946 |
2.7946 |
1.0959 |
2.6166 |
2.6166 |
| 3.8049 |
3.1379 |
3.1379 |
3.8049 |
1.7688 |
1.7688 |
| H9 |
2.1835 |
2.4936 |
1.0945 |
2.7716 |
3.4859 |
1.7688 |
3.1379 |
3.8049 |
| 1.7697 |
3.7770 |
2.5672 |
3.7770 |
4.3369 |
| H10 |
2.1835 |
2.4936 |
1.0945 |
3.4859 |
2.7716 |
1.7688 |
3.8049 |
3.1379 |
1.7697 |
| 4.3369 |
3.7770 |
2.5672 |
3.7770 |
| H11 |
2.1835 |
2.4936 |
3.4859 |
1.0945 |
2.7716 |
3.8049 |
1.7688 |
3.1379 |
3.7770 |
4.3369 |
| 1.7697 |
3.7770 |
2.5672 |
| H12 |
2.1835 |
2.4936 |
2.7716 |
1.0945 |
3.4859 |
3.1379 |
1.7688 |
3.8049 |
2.5672 |
3.7770 |
1.7697 |
| 4.3369 |
3.7770 |
| H13 |
2.1835 |
2.4936 |
2.7716 |
3.4859 |
1.0945 |
3.1379 |
3.8049 |
1.7688 |
3.7770 |
2.5672 |
3.7770 |
4.3369 |
| 1.7697 |
| H14 |
2.1835 |
2.4936 |
3.4859 |
2.7716 |
1.0945 |
3.8049 |
3.1379 |
1.7688 |
4.3369 |
3.7770 |
2.5672 |
3.7770 |
1.7697 |
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Maximum atom distance is 4.3369Å
between atoms H9 and H14.
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
|
C3 |
C1 |
C4 |
111.026 |
|
C3 |
C1 |
C5 |
111.026 |
|
C4 |
C1 |
C5 |
111.026 |
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Calculated Bond Angles (degrees) (Involving Hydrogens)
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
|
C1 |
C3 |
H6 |
110.615 |
|
C1 |
C3 |
H9 |
111.374 |
|
C1 |
C3 |
H10 |
111.374 |
|
C1 |
C4 |
H7 |
110.615 |
|
C1 |
C4 |
H11 |
111.374 |
|
C1 |
C4 |
H12 |
111.374 |
|
C1 |
C5 |
H8 |
110.615 |
|
C1 |
C5 |
H13 |
111.374 |
|
C1 |
C5 |
H14 |
111.374 |
|
H2 |
C1 |
C3 |
107.868 |
|
H2 |
C1 |
C4 |
107.868 |
|
H2 |
C1 |
C5 |
107.868 |
|
H6 |
C3 |
H9 |
107.712 |
|
H6 |
C3 |
H10 |
107.712 |
|
H7 |
C4 |
H11 |
107.712 |
|
H7 |
C4 |
H12 |
107.712 |
|
H8 |
C5 |
H13 |
107.712 |
|
H8 |
C5 |
H14 |
107.712 |
|
H9 |
C3 |
H10 |
107.890 |
|
H11 |
C4 |
H12 |
107.890 |
|
H13 |
C5 |
H14 |
107.890 |
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For information on specific bond angles or dihedrals
see the geometry comparison page in section
Comparisons > Geometry > Bonds, angles.