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	hartrees
Energy at 0K	-264.266630
Energy at 298.15K	-264.272297
Nuclear repulsion energy	206.137616

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3112	3100	13.33
2	A₁	3085	3073	1.08
3	A₁	1542	1536	5.43
4	A₁	1419	1414	1.29
5	A₁	1148	1143	0.00
6	A₁	1120	1116	1.01
7	A₁	1041	1037	8.07
8	A₁	950	947	9.08
9	A₁	661	658	2.51
10	A₂	979	975	0.00
11	A₂	910	906	0.00
12	A₂	742	739	0.00
13	A₂	352	350	0.00
14	B₁	944	940	0.04
15	B₁	734	731	39.23
16	B₁	347	345	8.62
17	B₂	3098	3086	28.08
18	B₂	3080	3068	10.44
19	B₂	1531	1525	5.37
20	B₂	1388	1383	13.47
21	B₂	1263	1258	2.19
22	B₂	1048	1044	1.60
23	B₂	1023	1019	0.72
24	B₂	616	614	0.02

Atom	y (Å)	z (Å)
C1	0.696	1.188
C2	-0.696	1.188
C3	-1.332	-0.065
C4	1.332	-0.065
H5	1.276	2.111
H6	-1.276	2.111
H7	-2.421	-0.150
H8	2.421	-0.150
N9	0.676	-1.242
N10	-0.676	-1.242

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3918	2.3836	1.4050	1.0904	2.1776	3.3913	2.1824	2.4302	2.7909
C2	1.3918		1.4050	2.3836	2.1776	1.0904	2.1824	3.3913	2.7909	2.4302
C3	2.3836	1.4050		2.6639	3.3967	2.1764	1.0919	3.7535	2.3281	1.3476
C4	1.4050	2.3836	2.6639		2.1764	3.3967	3.7535	1.0919	1.3476	2.3281
H5	1.0904	2.1776	3.3967	2.1764		2.5530	4.3332	2.5333	3.4064	3.8804
H6	2.1776	1.0904	2.1764	3.3967	2.5530		2.5333	4.3332	3.8804	3.4064
H7	3.3913	2.1824	1.0919	3.7535	4.3332	2.5333		4.8412	3.2843	2.0582
H8	2.1824	3.3913	3.7535	1.0919	2.5333	4.3332	4.8412		2.0582	3.2843
N9	2.4302	2.7909	2.3281	1.3476	3.4064	3.8804	3.2843	2.0582		1.3530
N10	2.7909	2.4302	1.3476	2.3281	3.8804	3.4064	2.0582	3.2843	1.3530

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.919	C1	C2	H6	122.173
C1	C4	H8	121.358	C1	C4	N9	123.975
C2	C1	C4	116.919	C2	C1	H5	122.173
C2	C3	H7	121.358	C2	C3	N10	123.975
C3	C2	H6	120.908	C3	N10	N9	119.105
C4	C1	H5	120.908	C4	N9	N10	119.105
H7	C3	N10	114.666	H8	C4	N9	114.666

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: BLYP/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	-0.089
2	C	-0.089
3	C	0.026
4	C	0.026
5	H	0.104
6	H	0.104
7	H	0.114
8	H	0.114
9	N	-0.156
10	N	-0.156

<r²>	117.718
(<r²>)^1/2	10.850

All results from a given calculation for C4H4N2 (Pyridazine)

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

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)