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	hartrees
Energy at 0K	-263.590143
Energy at 298.15K	-263.595870
HF Energy	-262.702250
Nuclear repulsion energy	207.079556

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3244	3083	4.63
2	A₁	3221	3060	0.42
3	A₁	1605	1525	5.65
4	A₁	1477	1403	2.46
5	A₁	1297	1232	0.00
6	A₁	1168	1110	0.08
7	A₁	1093	1039	9.86
8	A₁	997	947	5.32
9	A₁	671	637	2.25
10	A₂	949	902	0.00
11	A₂	926	879	0.00
12	A₂	676	643	0.00
13	A₂	349	332	0.00
14	B₁	951	903	0.02
15	B₁	757	719	43.25
16	B₁	366	348	9.15
17	B₂	3232	3071	15.25
18	B₂	3215	3055	4.51
19	B₂	1604	1524	5.54
20	B₂	1425	1354	15.87
21	B₂	1303	1238	2.72
22	B₂	1082	1028	1.41
23	B₂	1056	1004	0.98
24	B₂	620	589	0.02

Atom	y (Å)	z (Å)
C1	0.694	1.185
C2	-0.694	1.185
C3	-1.323	-0.065
C4	1.323	-0.065
H5	1.274	2.102
H6	-1.274	2.102
H7	-2.406	-0.154
H8	2.406	-0.154
N9	0.671	-1.238
N10	-0.671	-1.238

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3883	2.3732	1.3991	1.0852	2.1716	3.3768	2.1730	2.4233	2.7811
C2	1.3883		1.3991	2.3732	2.1716	1.0852	2.1730	3.3768	2.7811	2.4233
C3	2.3732	1.3991		2.6469	3.3827	2.1674	1.0863	3.7306	2.3138	1.3429
C4	1.3991	2.3732	2.6469		2.1674	3.3827	3.7306	1.0863	1.3429	2.3138
H5	1.0852	2.1716	3.3827	2.1674		2.5483	4.3165	2.5237	3.3945	3.8654
H6	2.1716	1.0852	2.1674	3.3827	2.5483		2.5237	4.3165	3.8654	3.3945
H7	3.3768	2.1730	1.0863	3.7306	4.3165	2.5237		4.8122	3.2624	2.0466
H8	2.1730	3.3768	3.7306	1.0863	2.5237	4.3165	4.8122		2.0466	3.2624
N9	2.4233	2.7811	2.3138	1.3429	3.3945	3.8654	3.2624	2.0466		1.3414
N10	2.7811	2.4233	1.3429	2.3138	3.8654	3.3945	2.0466	3.2624	1.3414

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.729	C1	C2	H6	122.306
C1	C4	H8	121.416	C1	C4	N9	124.188
C2	C1	C4	116.729	C2	C1	H5	122.306
C2	C3	H7	121.416	C2	C3	N10	124.188
C3	C2	H6	120.966	C3	N10	N9	119.083
C4	C1	H5	120.966	C4	N9	N10	119.083
H7	C3	N10	114.396	H8	C4	N9	114.396

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: MP2/6-311G**

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: MP2/6-311G**

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)