All results from a given calculation for C4H8 (cyclobutane)
using model chemistry: G3
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
D2D |
1A1 |
Energy calculated at G3
| | hartrees |
| Energy at 0K | -157.040515 |
| Energy at 298.15K | -157.035323 |
| HF Energy | -156.097201 |
| Nuclear repulsion energy | 127.533950 |
The energy at 298.15K was derived from the energy at 0K
and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-31G*
Geometric Data calculated at MP2=FULL/6-31G*
Point Group is D2d
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
1.071 |
0.148 |
| C2 |
0.000 |
-1.071 |
0.148 |
| C3 |
-1.071 |
0.000 |
-0.148 |
| C4 |
1.071 |
0.000 |
-0.148 |
| H5 |
0.000 |
1.344 |
1.207 |
| H6 |
0.000 |
1.987 |
-0.451 |
| H7 |
0.000 |
-1.344 |
1.207 |
| H8 |
0.000 |
-1.987 |
-0.451 |
| H9 |
-1.344 |
0.000 |
-1.207 |
| H10 |
-1.987 |
0.000 |
0.451 |
| H11 |
1.344 |
0.000 |
-1.207 |
| H12 |
1.987 |
0.000 |
0.451 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
C3 |
C4 |
H5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
H12 |
| C1 | | 2.1424 | 1.5434 | 1.5434 | 1.0942 | 1.0935 | 2.6371 | 3.1158 | 2.1883 | 2.2772 | 2.1883 | 2.2772 |
C2 | 2.1424 | | 1.5434 | 1.5434 | 2.6371 | 3.1158 | 1.0942 | 1.0935 | 2.1883 | 2.2772 | 2.1883 | 2.2772 | C3 | 1.5434 | 1.5434 | | 2.1424 | 2.1883 | 2.2772 | 2.1883 | 2.2772 | 1.0942 | 1.0935 | 2.6371 | 3.1158 | C4 | 1.5434 | 1.5434 | 2.1424 | | 2.1883 | 2.2772 | 2.1883 | 2.2772 | 2.6371 | 3.1158 | 1.0942 | 1.0935 | H5 | 1.0942 | 2.6371 | 2.1883 | 2.1883 | | 1.7782 | 2.6871 | 3.7200 | 3.0726 | 2.5148 | 3.0726 | 2.5148 | H6 | 1.0935 | 3.1158 | 2.2772 | 2.2772 | 1.7782 | | 3.7200 | 3.9732 | 2.5148 | 2.9505 | 2.5148 | 2.9505 | H7 | 2.6371 | 1.0942 | 2.1883 | 2.1883 | 2.6871 | 3.7200 | | 1.7782 | 3.0726 | 2.5148 | 3.0726 | 2.5148 | H8 | 3.1158 | 1.0935 | 2.2772 | 2.2772 | 3.7200 | 3.9732 | 1.7782 | | 2.5148 | 2.9505 | 2.5148 | 2.9505 | H9 | 2.1883 | 2.1883 | 1.0942 | 2.6371 | 3.0726 | 2.5148 | 3.0726 | 2.5148 | | 1.7782 | 2.6871 | 3.7200 | H10 | 2.2772 | 2.2772 | 1.0935 | 3.1158 | 2.5148 | 2.9505 | 2.5148 | 2.9505 | 1.7782 | | 3.7200 | 3.9732 | H11 | 2.1883 | 2.1883 | 2.6371 | 1.0942 | 3.0726 | 2.5148 | 3.0726 | 2.5148 | 2.6871 | 3.7200 | | 1.7782 | H12 | 2.2772 | 2.2772 | 3.1158 | 1.0935 | 2.5148 | 2.9505 | 2.5148 | 2.9505 | 3.7200 | 3.9732 | 1.7782 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C3 |
C2 |
88.531 |
|
C1 |
C3 |
H9 |
111.686 |
| C1 |
C3 |
H10 |
117.697 |
|
C1 |
C4 |
C2 |
88.531 |
| C1 |
C4 |
H11 |
111.686 |
|
C1 |
C4 |
H12 |
117.697 |
| C2 |
C3 |
H9 |
111.686 |
|
C2 |
C3 |
H10 |
117.697 |
| C2 |
C4 |
H11 |
111.686 |
|
C2 |
C4 |
H12 |
117.697 |
| C3 |
C1 |
C4 |
88.531 |
|
C3 |
C1 |
H5 |
111.686 |
| C3 |
C1 |
H6 |
117.697 |
|
C3 |
C2 |
C4 |
88.531 |
| C3 |
C2 |
H7 |
111.686 |
|
C3 |
C2 |
H8 |
117.697 |
| C4 |
C1 |
H5 |
111.686 |
|
C4 |
C1 |
H6 |
117.697 |
| C4 |
C2 |
H7 |
111.686 |
|
C4 |
C2 |
H8 |
117.697 |
| H5 |
C1 |
H6 |
108.465 |
|
H7 |
C2 |
H8 |
108.465 |
| H9 |
C3 |
H10 |
108.465 |
|
H11 |
C4 |
H12 |
108.465 |
Electronic energy levels
Electronic state
Charges, Dipole, Quadrupole and Polarizability