All results from a given calculation for C4H8 (methylcyclopropane)
using model chemistry: QCISD/aug-cc-pVTZ
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
CS |
1A' |
Energy calculated at QCISD/aug-cc-pVTZ
| | hartrees |
| Energy at 0K | -156.893192 |
| Energy at 298.15K | |
| HF Energy | -156.151849 |
| Nuclear repulsion energy | 124.462634 |
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 QCISD/aug-cc-pVTZ
Geometric Data calculated at QCISD/aug-cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.350 |
0.408 |
0.000 |
| C2 |
-0.888 |
1.269 |
0.000 |
| H3 |
1.289 |
0.948 |
0.000 |
| C4 |
0.350 |
-0.894 |
0.755 |
| C5 |
0.350 |
-0.894 |
-0.755 |
| H6 |
1.255 |
-1.198 |
1.262 |
| H7 |
1.255 |
-1.198 |
-1.262 |
| H8 |
-0.567 |
-1.177 |
1.256 |
| H9 |
-0.567 |
-1.177 |
-1.256 |
| H10 |
-1.785 |
0.645 |
0.000 |
| H11 |
-0.926 |
1.909 |
0.884 |
| H12 |
-0.926 |
1.909 |
-0.884 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
H3 |
C4 |
C5 |
H6 |
H7 |
H8 |
H9 |
H10 |
H11 |
H12 |
| C1 | | 1.5085 | 1.0831 | 1.5049 | 1.5049 | 2.2337 | 2.2337 | 2.2197 | 2.2197 | 2.1486 | 2.1598 | 2.1598 |
C2 | 1.5085 | | 2.2004 | 2.6044 | 2.6044 | 3.5032 | 3.5032 | 2.7682 | 2.7682 | 1.0927 | 1.0922 | 1.0922 | H3 | 1.0831 | 2.2004 | | 2.2011 | 2.2011 | 2.4899 | 2.4899 | 3.0876 | 3.0876 | 3.0888 | 2.5711 | 2.5711 | C4 | 1.5049 | 2.6044 | 2.2011 | | 1.5108 | 1.0807 | 2.2320 | 1.0819 | 2.2281 | 2.7386 | 3.0823 | 3.4890 | C5 | 1.5049 | 2.6044 | 2.2011 | 1.5108 | | 2.2320 | 1.0807 | 2.2281 | 1.0819 | 2.7386 | 3.4890 | 3.0823 | H6 | 2.2337 | 3.5032 | 2.4899 | 1.0807 | 2.2320 | | 2.5243 | 1.8216 | 3.1076 | 3.7727 | 3.8146 | 4.3608 | H7 | 2.2337 | 3.5032 | 2.4899 | 2.2320 | 1.0807 | 2.5243 | | 3.1076 | 1.8216 | 3.7727 | 4.3608 | 3.8146 | H8 | 2.2197 | 2.7682 | 3.0876 | 1.0819 | 2.2281 | 1.8216 | 3.1076 | | 2.5113 | 2.5263 | 3.1285 | 3.7723 | H9 | 2.2197 | 2.7682 | 3.0876 | 2.2281 | 1.0819 | 3.1076 | 1.8216 | 2.5113 | | 2.5263 | 3.7723 | 3.1285 | H10 | 2.1486 | 1.0927 | 3.0888 | 2.7386 | 2.7386 | 3.7727 | 3.7727 | 2.5263 | 2.5263 | | 1.7654 | 1.7654 | H11 | 2.1598 | 1.0922 | 2.5711 | 3.0823 | 3.4890 | 3.8146 | 4.3608 | 3.1285 | 3.7723 | 1.7654 | | 1.7690 | H12 | 2.1598 | 1.0922 | 2.5711 | 3.4890 | 3.0823 | 4.3608 | 3.8146 | 3.7723 | 3.1285 | 1.7654 | 1.7690 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
H10 |
110.355 |
|
C1 |
C2 |
H11 |
111.287 |
| C1 |
C2 |
H12 |
111.287 |
|
C1 |
C4 |
H5 |
59.869 |
| C1 |
C4 |
H6 |
118.597 |
|
C1 |
C4 |
H8 |
117.273 |
| C1 |
H5 |
C4 |
59.869 |
|
C1 |
H5 |
H7 |
118.597 |
| C1 |
H5 |
H9 |
117.273 |
|
C2 |
C1 |
C3 |
115.232 |
| C2 |
C1 |
C4 |
119.601 |
|
C2 |
C1 |
H5 |
119.601 |
| C3 |
C1 |
C4 |
115.571 |
|
C3 |
C1 |
H5 |
115.571 |
| C4 |
C1 |
H5 |
60.262 |
|
C4 |
H5 |
H7 |
117.963 |
| C4 |
H5 |
H9 |
117.543 |
|
H5 |
C4 |
H6 |
117.963 |
| H5 |
C4 |
H8 |
117.543 |
|
H6 |
C4 |
H8 |
114.772 |
| H7 |
H5 |
H9 |
114.772 |
|
H10 |
C2 |
H11 |
107.804 |
| H10 |
C2 |
H12 |
107.804 |
|
H11 |
C2 |
H12 |
108.163 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability