All results from a given calculation for C3H4N2 (4H-Imidazole)
using model chemistry: CCSD/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 CCSD/aug-cc-pVTZ
| | hartrees |
| Energy at 0K | -225.777880 |
| Energy at 298.15K | |
| HF Energy | -224.876920 |
| Nuclear repulsion energy | 160.872109 |
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/aug-cc-pVTZ
Geometric Data calculated at CCSD/aug-cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| N1 |
-1.199 |
0.352 |
0.000 |
| C2 |
0.000 |
1.136 |
0.000 |
| N3 |
1.113 |
0.507 |
0.000 |
| C4 |
0.735 |
-0.901 |
0.000 |
| C5 |
-0.763 |
-0.855 |
0.000 |
| H6 |
-0.076 |
2.214 |
0.000 |
| H7 |
1.139 |
-1.404 |
0.881 |
| H8 |
1.139 |
-1.404 |
-0.881 |
| H9 |
-1.428 |
-1.709 |
0.000 |
Atom - Atom Distances (Å)
| |
N1 |
C2 |
N3 |
C4 |
C5 |
H6 |
H7 |
H8 |
H9 |
| N1 | | 1.4330 | 2.3176 | 2.3047 | 1.2836 | 2.1746 | 3.0546 | 3.0546 | 2.0734 |
C2 | 1.4330 | | 1.2784 | 2.1654 | 2.1326 | 1.0801 | 2.9205 | 2.9205 | 3.1831 | N3 | 2.3176 | 1.2784 | | 1.4578 | 2.3187 | 2.0795 | 2.1055 | 2.1055 | 3.3714 | C4 | 2.3047 | 2.1654 | 1.4578 | | 1.4989 | 3.2181 | 1.0926 | 1.0926 | 2.3089 | C5 | 1.2836 | 2.1326 | 2.3187 | 1.4989 | | 3.1449 | 2.1671 | 2.1671 | 1.0818 | H6 | 2.1746 | 1.0801 | 2.0795 | 3.2181 | 3.1449 | | 3.9171 | 3.9171 | 4.1489 | H7 | 3.0546 | 2.9205 | 2.1055 | 1.0926 | 2.1671 | 3.9171 | | 1.7627 | 2.7307 | H8 | 3.0546 | 2.9205 | 2.1055 | 1.0926 | 2.1671 | 3.9171 | 1.7627 | | 2.7307 | H9 | 2.0734 | 3.1831 | 3.3714 | 2.3089 | 1.0818 | 4.1489 | 2.7307 | 2.7307 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| N1 |
C2 |
N3 |
117.357 |
|
N1 |
C2 |
H6 |
119.165 |
| N1 |
C5 |
C4 |
111.610 |
|
N1 |
C5 |
H9 |
122.225 |
| C2 |
N1 |
C5 |
103.305 |
|
C2 |
N3 |
C4 |
104.444 |
| N3 |
C2 |
H6 |
123.478 |
|
N3 |
C4 |
C5 |
103.284 |
| N3 |
C4 |
H7 |
110.468 |
|
N3 |
C4 |
H8 |
110.468 |
| C4 |
C5 |
H9 |
126.166 |
|
C5 |
C4 |
H7 |
112.543 |
| C5 |
C4 |
H8 |
112.543 |
|
H7 |
C4 |
H8 |
107.540 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability