All results from a given calculation for C3H4N2 (4H-Imidazole)
using model chemistry: MP4=FULL/aug-cc-pVDZ
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
CS |
1A' |
Energy calculated at MP4=FULL/aug-cc-pVDZ
| | hartrees |
| Energy at 0K | -225.650675 |
| Energy at 298.15K | |
| HF Energy | -224.823868 |
| Nuclear repulsion energy | 158.789650 |
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 MP4=FULL/aug-cc-pVDZ
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| N1 |
-1.215 |
0.366 |
0.000 |
| C2 |
0.000 |
1.149 |
0.000 |
| N3 |
1.134 |
0.505 |
0.000 |
| C4 |
0.738 |
-0.913 |
0.000 |
| C5 |
-0.773 |
-0.865 |
0.000 |
| H6 |
-0.069 |
2.240 |
0.000 |
| H7 |
1.149 |
-1.421 |
0.893 |
| H8 |
1.149 |
-1.421 |
-0.893 |
| H9 |
-1.452 |
-1.725 |
0.000 |
Atom - Atom Distances (Å)
| |
N1 |
C2 |
N3 |
C4 |
C5 |
H6 |
H7 |
H8 |
H9 |
| N1 | | 1.4454 | 2.3527 | 2.3349 | 1.3084 | 2.1969 | 3.0947 | 3.0947 | 2.1042 |
C2 | 1.4454 | | 1.3037 | 2.1906 | 2.1576 | 1.0933 | 2.9533 | 2.9533 | 3.2198 | N3 | 2.3527 | 1.3037 | | 1.4728 | 2.3480 | 2.1109 | 2.1232 | 2.1232 | 3.4143 | C4 | 2.3349 | 2.1906 | 1.4728 | | 1.5117 | 3.2552 | 1.1060 | 1.1060 | 2.3355 | C5 | 1.3084 | 2.1576 | 2.3480 | 1.5117 | | 3.1844 | 2.1903 | 2.1903 | 1.0953 | H6 | 2.1969 | 1.0933 | 2.1109 | 3.2552 | 3.1844 | | 3.9603 | 3.9603 | 4.1993 | H7 | 3.0947 | 2.9533 | 2.1232 | 1.1060 | 2.1903 | 3.9603 | | 1.7855 | 2.7661 | H8 | 3.0947 | 2.9533 | 2.1232 | 1.1060 | 2.1903 | 3.9603 | 1.7855 | | 2.7661 | H9 | 2.1042 | 3.2198 | 3.4143 | 2.3355 | 1.0953 | 4.1993 | 2.7661 | 2.7661 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| N1 |
C2 |
N3 |
117.605 |
|
N1 |
C2 |
H6 |
119.196 |
| N1 |
C5 |
C4 |
111.576 |
|
N1 |
C5 |
H9 |
121.930 |
| C2 |
N1 |
C5 |
103.047 |
|
C2 |
N3 |
C4 |
104.016 |
| N3 |
C2 |
H6 |
123.198 |
|
N3 |
C4 |
C5 |
103.755 |
| N3 |
C4 |
H7 |
110.027 |
|
N3 |
C4 |
H8 |
110.027 |
| C4 |
C5 |
H9 |
126.494 |
|
C5 |
C4 |
H7 |
112.675 |
| C5 |
C4 |
H8 |
112.675 |
|
H7 |
C4 |
H8 |
107.653 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability