All results from a given calculation for C3H4N2 (2H-Imidazole)
using model chemistry: CCSD/cc-pVTZ
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
C2V |
1A1 |
Energy calculated at CCSD/cc-pVTZ
| | hartrees |
| Energy at 0K | -225.690090 |
| Energy at 298.15K | |
| HF Energy | -224.804814 |
| Nuclear repulsion energy | 166.924296 |
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 CCSD/cc-pVTZ
Geometric Data calculated at CCSD/cc-pVTZ
Point Group is C2v
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
0.000 |
0.000 |
1.203 |
| N2 |
0.000 |
0.997 |
0.279 |
| N3 |
0.000 |
-0.997 |
0.279 |
| C4 |
0.000 |
0.728 |
-0.944 |
| C5 |
0.000 |
-0.728 |
-0.944 |
| H6 |
-0.893 |
0.000 |
1.826 |
| H7 |
0.893 |
0.000 |
1.826 |
| H8 |
0.000 |
1.470 |
-1.726 |
| H9 |
0.000 |
-1.470 |
-1.726 |
Atom - Atom Distances (Å)
| |
C1 |
N2 |
N3 |
C4 |
C5 |
H6 |
H7 |
H8 |
H9 |
| C1 | | 1.3589 | 1.3589 | 2.2665 | 2.2665 | 1.0887 | 1.0887 | 3.2765 | 3.2765 |
N2 | 1.3589 | | 1.9941 | 1.2524 | 2.1147 | 2.0451 | 2.0451 | 2.0600 | 3.1792 | N3 | 1.3589 | 1.9941 | | 2.1147 | 1.2524 | 2.0451 | 2.0451 | 3.1792 | 2.0600 | C4 | 2.2665 | 1.2524 | 2.1147 | | 1.4560 | 2.9995 | 2.9995 | 1.0780 | 2.3331 | C5 | 2.2665 | 2.1147 | 1.2524 | 1.4560 | | 2.9995 | 2.9995 | 2.3331 | 1.0780 | H6 | 1.0887 | 2.0451 | 2.0451 | 2.9995 | 2.9995 | | 1.7856 | 3.9459 | 3.9459 | H7 | 1.0887 | 2.0451 | 2.0451 | 2.9995 | 2.9995 | 1.7856 | | 3.9459 | 3.9459 | H8 | 3.2765 | 2.0600 | 3.1792 | 1.0780 | 2.3331 | 3.9459 | 3.9459 | | 2.9404 | H9 | 3.2765 | 3.1792 | 2.0600 | 2.3331 | 1.0780 | 3.9459 | 3.9459 | 2.9404 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
N2 |
C4 |
120.394 |
|
C1 |
N3 |
C5 |
120.394 |
| N2 |
C1 |
N3 |
94.402 |
|
N2 |
C1 |
H6 |
112.881 |
| N2 |
C1 |
H7 |
112.881 |
|
N2 |
C4 |
C5 |
102.405 |
| N2 |
C4 |
H8 |
124.084 |
|
N3 |
C1 |
H6 |
112.881 |
| N3 |
C1 |
H7 |
112.881 |
|
N3 |
C5 |
C4 |
102.405 |
| N3 |
C5 |
H9 |
124.084 |
|
C4 |
C5 |
H9 |
133.511 |
| C5 |
C4 |
H8 |
133.511 |
|
H6 |
C1 |
H7 |
110.181 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability