All results from a given calculation for CH2CH(CH3)2 (Isobutyl radical)
using model chemistry: MP2/6-31+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 MP2/6-31+G**
| | hartrees |
| Energy at 0K | -157.248708 |
| Energy at 298.15K | |
| HF Energy | -156.683577 |
| Nuclear repulsion energy | 126.748712 |
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 MP2/6-31+G**
Geometric Data calculated at MP2/6-31+G**
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
-0.271 |
0.236 |
0.000 |
| C2 |
0.874 |
1.195 |
0.000 |
| H3 |
-1.208 |
0.815 |
0.000 |
| H4 |
1.228 |
1.628 |
0.925 |
| H5 |
1.228 |
1.628 |
-0.925 |
| C6 |
-0.271 |
-0.630 |
-1.262 |
| C7 |
-0.271 |
-0.630 |
1.262 |
| H8 |
0.628 |
-1.247 |
-1.297 |
| H9 |
-1.139 |
-1.290 |
-1.279 |
| H10 |
-0.295 |
-0.013 |
-2.161 |
| H11 |
0.628 |
-1.247 |
1.297 |
| H12 |
-1.139 |
-1.290 |
1.279 |
| H13 |
-0.295 |
-0.013 |
2.161 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
H3 |
H4 |
H5 |
C6 |
C7 |
H8 |
H9 |
H10 |
H11 |
H12 |
H13 |
| C1 | | 1.4933 | 1.1011 | 2.2448 | 2.2448 | 1.5299 | 1.5299 | 2.1654 | 2.1717 | 2.1755 | 2.1654 | 2.1717 | 2.1755 |
C2 | 1.4933 | | 2.1157 | 1.0807 | 1.0807 | 2.4960 | 2.4960 | 2.7755 | 3.4438 | 2.7375 | 2.7755 | 3.4438 | 2.7375 | H3 | 1.1011 | 2.1157 | | 2.7290 | 2.7290 | 2.1343 | 2.1343 | 3.0501 | 2.4636 | 2.4878 | 3.0501 | 2.4636 | 2.4878 | H4 | 2.2448 | 1.0807 | 2.7290 | | 1.8494 | 3.4816 | 2.7304 | 3.6821 | 4.3554 | 3.8121 | 2.9598 | 3.7735 | 2.5571 | H5 | 2.2448 | 1.0807 | 2.7290 | 1.8494 | | 2.7304 | 3.4816 | 2.9598 | 3.7735 | 2.5571 | 3.6821 | 4.3554 | 3.8121 | C6 | 1.5299 | 2.4960 | 2.1343 | 3.4816 | 2.7304 | | 2.5234 | 1.0914 | 1.0908 | 1.0908 | 2.7815 | 2.7648 | 3.4780 | C7 | 1.5299 | 2.4960 | 2.1343 | 2.7304 | 3.4816 | 2.5234 | | 2.7815 | 2.7648 | 3.4780 | 1.0914 | 1.0908 | 1.0908 | H8 | 2.1654 | 2.7755 | 3.0501 | 3.6821 | 2.9598 | 1.0914 | 2.7815 | | 1.7682 | 1.7667 | 2.5941 | 3.1243 | 3.7859 | H9 | 2.1717 | 3.4438 | 2.4636 | 4.3554 | 3.7735 | 1.0908 | 2.7648 | 1.7682 | | 1.7669 | 3.1243 | 2.5577 | 3.7652 | H10 | 2.1755 | 2.7375 | 2.4878 | 3.8121 | 2.5571 | 1.0908 | 3.4780 | 1.7667 | 1.7669 | | 3.7859 | 3.7652 | 4.3223 | H11 | 2.1654 | 2.7755 | 3.0501 | 2.9598 | 3.6821 | 2.7815 | 1.0914 | 2.5941 | 3.1243 | 3.7859 | | 1.7682 | 1.7667 | H12 | 2.1717 | 3.4438 | 2.4636 | 3.7735 | 4.3554 | 2.7648 | 1.0908 | 3.1243 | 2.5577 | 3.7652 | 1.7682 | | 1.7669 | H13 | 2.1755 | 2.7375 | 2.4878 | 2.5571 | 3.8121 | 3.4780 | 1.0908 | 3.7859 | 3.7652 | 4.3223 | 1.7667 | 1.7669 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
H4 |
120.562 |
|
C1 |
C2 |
H5 |
120.562 |
| C1 |
C6 |
H8 |
110.277 |
|
C1 |
C6 |
H9 |
110.813 |
| C1 |
C6 |
H10 |
111.120 |
|
C1 |
C7 |
H11 |
110.277 |
| C1 |
C7 |
H12 |
110.813 |
|
C1 |
C7 |
H13 |
111.120 |
| C2 |
C1 |
H3 |
108.321 |
|
C2 |
C1 |
C6 |
111.299 |
| C2 |
C1 |
C7 |
111.299 |
|
H3 |
C1 |
C6 |
107.300 |
| H3 |
C1 |
C7 |
107.300 |
|
H4 |
C2 |
H5 |
117.659 |
| C6 |
C1 |
C7 |
111.113 |
|
H8 |
C6 |
H9 |
108.245 |
| H8 |
C6 |
H10 |
108.114 |
|
H9 |
C6 |
H10 |
108.171 |
| H11 |
C7 |
H12 |
108.245 |
|
H11 |
C7 |
H13 |
108.114 |
| H12 |
C7 |
H13 |
108.171 |
|
Electronic energy levels
Electronic state
Charges, Dipole, Quadrupole and Polarizability