All results from a given calculation for CH2CH(CH3)2 (Isobutyl radical)
using model chemistry: MP3/6-31+G**
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
C1 |
2A' |
Energy calculated at MP3/6-31+G**
| | hartrees |
| Energy at 0K | -157.290805 |
| Energy at 298.15K | |
| HF Energy | -156.681061 |
| Nuclear repulsion energy | 126.650586 |
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 MP3/6-31+G**
Geometric Data calculated at MP3/6-31+G**
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-0.280 |
0.243 |
0.000 |
| C2 |
0.875 |
1.205 |
0.000 |
| H3 |
-1.212 |
0.819 |
0.000 |
| H4 |
1.333 |
1.525 |
0.925 |
| H5 |
1.333 |
1.525 |
-0.925 |
| C6 |
-0.280 |
-0.624 |
-1.264 |
| C7 |
-0.280 |
-0.624 |
1.264 |
| H8 |
0.623 |
-1.232 |
-1.299 |
| H9 |
-1.142 |
-1.291 |
-1.277 |
| H10 |
-0.312 |
-0.012 |
-2.166 |
| H11 |
0.623 |
-1.232 |
1.299 |
| H12 |
-1.142 |
-1.291 |
1.277 |
| H13 |
-0.312 |
-0.012 |
2.166 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
H3 |
H4 |
H5 |
C6 |
C7 |
H8 |
H9 |
H10 |
H11 |
H12 |
H13 |
| C1 | | 1.5030 | 1.0961 | 2.2583 | 2.2583 | 1.5333 | 1.5333 | 2.1631 | 2.1740 | 2.1809 | 2.1631 | 2.1740 | 2.1809 |
C2 | 1.5030 | | 2.1227 | 1.0804 | 1.0804 | 2.5057 | 2.5057 | 2.7732 | 3.4536 | 2.7534 | 2.7732 | 3.4536 | 2.7534 | H3 | 1.0961 | 2.1227 | | 2.7988 | 2.7988 | 2.1336 | 2.1336 | 3.0439 | 2.4673 | 2.4883 | 3.0439 | 2.4673 | 2.4883 | H4 | 2.2583 | 1.0804 | 2.7988 | | 1.8493 | 3.4659 | 2.7086 | 3.6124 | 4.3475 | 3.8236 | 2.8716 | 3.7654 | 2.5710 | H5 | 2.2583 | 1.0804 | 2.7988 | 1.8493 | | 2.7086 | 3.4659 | 2.8716 | 3.7654 | 2.5710 | 3.6124 | 4.3475 | 3.8236 | C6 | 1.5333 | 2.5057 | 2.1336 | 3.4659 | 2.7086 | | 2.5287 | 1.0893 | 1.0897 | 1.0901 | 2.7847 | 2.7650 | 3.4844 | C7 | 1.5333 | 2.5057 | 2.1336 | 2.7086 | 3.4659 | 2.5287 | | 2.7847 | 2.7650 | 3.4844 | 1.0893 | 1.0897 | 1.0901 | H8 | 2.1631 | 2.7732 | 3.0439 | 3.6124 | 2.8716 | 1.0893 | 2.7847 | | 1.7663 | 1.7652 | 2.5973 | 3.1230 | 3.7903 | H9 | 2.1740 | 3.4536 | 2.4673 | 4.3475 | 3.7654 | 1.0897 | 2.7650 | 1.7663 | | 1.7645 | 3.1230 | 2.5538 | 3.7650 | H10 | 2.1809 | 2.7534 | 2.4883 | 3.8236 | 2.5710 | 1.0901 | 3.4844 | 1.7652 | 1.7645 | | 3.7903 | 3.7650 | 4.3314 | H11 | 2.1631 | 2.7732 | 3.0439 | 2.8716 | 3.6124 | 2.7847 | 1.0893 | 2.5973 | 3.1230 | 3.7903 | | 1.7663 | 1.7652 | H12 | 2.1740 | 3.4536 | 2.4673 | 3.7654 | 4.3475 | 2.7650 | 1.0897 | 3.1230 | 2.5538 | 3.7650 | 1.7663 | | 1.7645 | H13 | 2.1809 | 2.7534 | 2.4883 | 2.5710 | 3.8236 | 3.4844 | 1.0901 | 3.7903 | 3.7650 | 4.3314 | 1.7652 | 1.7645 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
H4 |
121.023 |
|
C1 |
C2 |
H5 |
121.023 |
| C1 |
C6 |
H8 |
109.985 |
|
C1 |
C6 |
H9 |
110.820 |
| C1 |
C6 |
H10 |
111.351 |
|
C1 |
C7 |
H11 |
109.985 |
| C1 |
C7 |
H12 |
110.820 |
|
C1 |
C7 |
H13 |
111.351 |
| C2 |
C1 |
H3 |
108.499 |
|
C2 |
C1 |
C6 |
111.226 |
| C2 |
C1 |
C7 |
111.226 |
|
H3 |
C1 |
C6 |
107.300 |
| H3 |
C1 |
C7 |
107.300 |
|
H4 |
C2 |
H5 |
117.703 |
| C6 |
C1 |
C7 |
111.095 |
|
H8 |
C6 |
H9 |
108.313 |
| H8 |
C6 |
H10 |
108.186 |
|
H9 |
C6 |
H10 |
108.085 |
| H11 |
C7 |
H12 |
108.313 |
|
H11 |
C7 |
H13 |
108.186 |
| H12 |
C7 |
H13 |
108.085 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability