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	hartrees
Energy at 0K	-262.707052
Energy at 298.15K	-262.713225
Nuclear repulsion energy	210.529982

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3366	3058	6.53
2	A₁	3345	3039	2.50
3	A₁	1773	1611	8.41
4	A₁	1620	1472	1.44
5	A₁	1270	1154	0.49
6	A₁	1218	1106	8.28
7	A₁	1160	1054	7.92
8	A₁	1043	948	16.33
9	A₁	734	667	4.92
10	A₂	1130	1026	0.00
11	A₂	1046	950	0.00
12	A₂	834	757	0.00
13	A₂	432	393	0.00
14	B₁	1090	990	0.00
15	B₁	847	770	49.62
16	B₁	447	406	10.14
17	B₂	3355	3048	31.00
18	B₂	3336	3031	2.20
19	B₂	1779	1616	1.72
20	B₂	1570	1427	28.73
21	B₂	1432	1301	3.79
22	B₂	1160	1054	1.37
23	B₂	1136	1032	2.39
24	B₂	681	619	0.03

Atom	y (Å)	z (Å)
C1	0.683	1.169
C2	-0.683	1.169
C3	-1.308	-0.076
C4	1.308	-0.076
H5	1.261	2.074
H6	-1.261	2.074
H7	-2.380	-0.163
H8	2.380	-0.163
N9	0.654	-1.209
N10	-0.654	-1.209

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3661	2.3488	1.3935	1.0743	2.1449	3.3396	2.1566	2.3783	2.7280
C2	1.3661		1.3935	2.3488	2.1449	1.0743	2.1566	3.3396	2.7280	2.3783
C3	2.3488	1.3935		2.6170	3.3510	2.1511	1.0747	3.6892	2.2656	1.3086
C4	1.3935	2.3488	2.6170		2.1511	3.3510	3.6892	1.0747	1.3086	2.2656
H5	1.0743	2.1449	3.3510	2.1511		2.5228	4.2732	2.5007	3.3393	3.8011
H6	2.1449	1.0743	2.1511	3.3510	2.5228		2.5007	4.2732	3.8011	3.3393
H7	3.3396	2.1566	1.0747	3.6892	4.2732	2.5007		4.7594	3.2088	2.0188
H8	2.1566	3.3396	3.6892	1.0747	2.5007	4.2732	4.7594		2.0188	3.2088
N9	2.3783	2.7280	2.2656	1.3086	3.3393	3.8011	3.2088	2.0188		1.3071
N10	2.7280	2.3783	1.3086	2.2656	3.8011	3.3393	2.0188	3.2088	1.3071

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.669	C1	C2	H6	122.570
C1	C4	H8	121.266	C1	C4	N9	123.298
C2	C1	C4	116.669	C2	C1	H5	122.570
C2	C3	H7	121.266	C2	C3	N10	123.298
C3	C2	H6	120.760	C3	N10	N9	120.032
C4	C1	H5	120.760	C4	N9	N10	120.032
H7	C3	N10	115.436	H8	C4	N9	115.436

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: HF/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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Number	Element	Mulliken
1	C	-0.123
2	C	-0.123
3	C	0.095
4	C	0.095
5	H	0.118
6	H	0.118
7	H	0.126
8	H	0.126
9	N	-0.217
10	N	-0.217

<r²>	113.871
(<r²>)^1/2	10.671

All results from a given calculation for C4H4N2 (Pyridazine)

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

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)