All results from a given calculation for C4H4N2 (Pyrazine)
using model chemistry: CID/3-21G
19 10 17 12 22
States and conformations
State |
Conformation |
minimum conformation |
conformer description |
state description |
1 |
1 |
yes |
D2H |
1Ag |
Energy calculated at CID/3-21G
| hartrees |
Energy at 0K | -261.686603 |
Energy at 298.15K | -261.681417 |
Nuclear repulsion energy | 207.893246 |
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 CID/3-21G
Geometric Data calculated at CID/3-21G
Point Group is D2h
Cartesians (Å)
Atom |
x (Å) |
y (Å) |
z (Å) |
N1 |
0.000 |
0.000 |
1.401 |
N2 |
0.000 |
0.000 |
-1.401 |
C3 |
0.000 |
1.149 |
0.695 |
C4 |
0.000 |
-1.149 |
0.695 |
C5 |
0.000 |
-1.149 |
-0.695 |
C6 |
0.000 |
1.149 |
-0.695 |
H7 |
0.000 |
2.072 |
1.253 |
H8 |
0.000 |
-2.072 |
1.253 |
H9 |
0.000 |
-2.072 |
-1.253 |
H10 |
0.000 |
2.072 |
-1.253 |
Atom - Atom Distances (Å)
|
N1 |
N2 |
C3 |
C4 |
C5 |
C6 |
H7 |
H8 |
H9 |
H10 |
N1 | | 2.8010 | 1.3482 | 1.3482 | 2.3903 | 2.3903 | 2.0776 | 2.0776 | 3.3672 | 3.3672 |
N2 | 2.8010 | | 2.3903 | 2.3903 | 1.3482 | 1.3482 | 3.3672 | 3.3672 | 2.0776 | 2.0776 | C3 | 1.3482 | 2.3903 | | 2.2983 | 2.6864 | 1.3910 | 1.0787 | 3.2694 | 3.7651 | 2.1565 | C4 | 1.3482 | 2.3903 | 2.2983 | | 1.3910 | 2.6864 | 3.2694 | 1.0787 | 2.1565 | 3.7651 | C5 | 2.3903 | 1.3482 | 2.6864 | 1.3910 | | 2.2983 | 3.7651 | 2.1565 | 1.0787 | 3.2694 | C6 | 2.3903 | 1.3482 | 1.3910 | 2.6864 | 2.2983 | | 2.1565 | 3.7651 | 3.2694 | 1.0787 | H7 | 2.0776 | 3.3672 | 1.0787 | 3.2694 | 3.7651 | 2.1565 | | 4.1447 | 4.8438 | 2.5067 | H8 | 2.0776 | 3.3672 | 3.2694 | 1.0787 | 2.1565 | 3.7651 | 4.1447 | | 2.5067 | 4.8438 | H9 | 3.3672 | 2.0776 | 3.7651 | 2.1565 | 1.0787 | 3.2694 | 4.8438 | 2.5067 | | 4.1447 | H10 | 3.3672 | 2.0776 | 2.1565 | 3.7651 | 3.2694 | 1.0787 | 2.5067 | 4.8438 | 4.1447 | |
More geometry information
Calculated Bond Angles
atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
N1 |
C3 |
C6 |
121.530 |
|
N1 |
C3 |
H7 |
117.327 |
N1 |
C4 |
C5 |
121.530 |
|
N1 |
C4 |
H8 |
117.327 |
N2 |
C5 |
C4 |
121.530 |
|
N2 |
C5 |
H9 |
117.327 |
N2 |
C6 |
C3 |
121.530 |
|
N2 |
C6 |
H10 |
117.327 |
C3 |
N1 |
C4 |
116.940 |
|
C3 |
C6 |
H10 |
121.143 |
C4 |
C5 |
H9 |
121.143 |
|
C5 |
N2 |
C6 |
116.940 |
C5 |
C4 |
H8 |
121.143 |
|
C6 |
C3 |
H7 |
121.143 |
Electronic energy levels
Electronic state
Charges, Dipole, Quadrupole and Polarizability