All results from a given calculation for C3H4N2 (4H-Imidazole)
using model chemistry: CCD/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 CCD/aug-cc-pVTZ
| | hartrees |
| Energy at 0K | -225.770417 |
| Energy at 298.15K | |
| HF Energy | -224.877293 |
| Nuclear repulsion energy | 161.043464 |
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 CCD/aug-cc-pVTZ
Geometric Data calculated at CCD/aug-cc-pVTZ
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| N1 |
-1.198 |
0.350 |
0.000 |
| C2 |
0.000 |
1.136 |
0.000 |
| N3 |
1.111 |
0.508 |
0.000 |
| C4 |
0.735 |
-0.899 |
0.000 |
| C5 |
-0.763 |
-0.855 |
0.000 |
| H6 |
-0.077 |
2.213 |
0.000 |
| H7 |
1.140 |
-1.401 |
0.881 |
| H8 |
1.140 |
-1.401 |
-0.881 |
| H9 |
-1.426 |
-1.709 |
0.000 |
Atom - Atom Distances (Å)
| |
N1 |
C2 |
N3 |
C4 |
C5 |
H6 |
H7 |
H8 |
H9 |
| N1 | | 1.4328 | 2.3139 | 2.3008 | 1.2808 | 2.1744 | 3.0511 | 3.0511 | 2.0712 |
C2 | 1.4328 | | 1.2756 | 2.1634 | 2.1318 | 1.0799 | 2.9178 | 2.9178 | 3.1823 | N3 | 2.3139 | 1.2756 | | 1.4567 | 2.3166 | 2.0776 | 2.1032 | 2.1032 | 3.3692 | C4 | 2.3008 | 2.1634 | 1.4567 | | 1.4978 | 3.2161 | 1.0923 | 1.0923 | 2.3076 | C5 | 1.2808 | 2.1318 | 2.3166 | 1.4978 | | 3.1435 | 2.1670 | 2.1670 | 1.0816 | H6 | 2.1744 | 1.0799 | 2.0776 | 3.2161 | 3.1435 | | 3.9142 | 3.9142 | 4.1475 | H7 | 3.0511 | 2.9178 | 2.1032 | 1.0923 | 2.1670 | 3.9142 | | 1.7621 | 2.7310 | H8 | 3.0511 | 2.9178 | 2.1032 | 1.0923 | 2.1670 | 3.9142 | 1.7621 | | 2.7310 | H9 | 2.0712 | 3.1823 | 3.3692 | 2.3076 | 1.0816 | 4.1475 | 2.7310 | 2.7310 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| N1 |
C2 |
N3 |
117.250 |
|
N1 |
C2 |
H6 |
119.187 |
| N1 |
C5 |
C4 |
111.556 |
|
N1 |
C5 |
H9 |
122.283 |
| C2 |
N1 |
C5 |
103.411 |
|
C2 |
N3 |
C4 |
104.514 |
| N3 |
C2 |
H6 |
123.563 |
|
N3 |
C4 |
C5 |
103.268 |
| N3 |
C4 |
H7 |
110.385 |
|
N3 |
C4 |
H8 |
110.385 |
| C4 |
C5 |
H9 |
126.161 |
|
C5 |
C4 |
H7 |
112.633 |
| C5 |
C4 |
H8 |
112.633 |
|
H7 |
C4 |
H8 |
107.533 |
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability