return to home page 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 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
Maximum atom distance is 4.3369Å between atoms H9 and H14.
picture of Isobutane
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
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

For information on specific bond angles or dihedrals see the geometry comparison page in section Comparisons > Geometry > Bonds, angles.