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	hartrees
Energy at 0K	-264.179715
Energy at 298.15K	-264.185411
HF Energy	-264.179715
Nuclear repulsion energy	207.067274

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3143	3098	15.72
2	A₁	3114	3069	1.22
3	A₁	1565	1542	5.10
4	A₁	1439	1419	1.26
5	A₁	1164	1147	0.01
6	A₁	1141	1125	0.11
7	A₁	1062	1047	10.96
8	A₁	980	966	8.17
9	A₁	666	657	2.62
10	A₂	984	969	0.00
11	A₂	913	900	0.00
12	A₂	749	738	0.00
13	A₂	351	346	0.00
14	B₁	949	935	0.03
15	B₁	735	724	40.17
16	B₁	345	341	8.83
17	B₂	3129	3084	31.25
18	B₂	3109	3065	13.62
19	B₂	1557	1535	5.11
20	B₂	1398	1378	14.55
21	B₂	1275	1257	2.33
22	B₂	1059	1044	1.23
23	B₂	1033	1018	0.87
24	B₂	621	612	0.01

Atom	y (Å)	z (Å)
C1	0.694	1.184
C2	-0.694	1.184
C3	-1.326	-0.066
C4	1.326	-0.066
H5	1.273	2.104
H6	-1.273	2.104
H7	-2.412	-0.152
H8	2.412	-0.152
N9	0.669	-1.237
N10	-0.669	-1.237

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3882	2.3751	1.4001	1.0878	2.1722	3.3809	2.1760	2.4207	2.7781
C2	1.3882		1.4001	2.3751	2.1722	1.0878	2.1760	3.3809	2.7781	2.4207
C3	2.3751	1.4001		2.6513	3.3860	2.1710	1.0895	3.7384	2.3133	1.3423
C4	1.4001	2.3751	2.6513		2.1710	3.3860	3.7384	1.0895	1.3423	2.3133
H5	1.0878	2.1722	3.3860	2.1710		2.5465	4.3211	2.5275	3.3955	3.8650
H6	2.1722	1.0878	2.1710	3.3860	2.5465		2.5275	4.3211	3.8650	3.3955
H7	3.3809	2.1760	1.0895	3.7384	4.3211	2.5275		4.8235	3.2665	2.0524
H8	2.1760	3.3809	3.7384	1.0895	2.5275	4.3211	4.8235		2.0524	3.2665
N9	2.4207	2.7781	2.3133	1.3423	3.3955	3.8650	3.2665	2.0524		1.3388
N10	2.7781	2.4207	1.3423	2.3133	3.8650	3.3955	2.0524	3.2665	1.3388

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.940	C1	C2	H6	121.451
C1	C4	H8	120.857	C1	C4	N9	123.212
C2	C1	C4	116.940	C2	C1	H5	121.451
C2	C3	H7	120.857	C2	C3	N10	123.212
C3	C2	H6	121.609	C3	N10	N9	119.848
C4	C1	H5	121.609	C4	N9	N10	119.848
H7	C3	N10	115.931	H8	C4	N9	115.931

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: B97D3/6-311G**

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	-0.094
2	C	-0.094
3	C	0.045
4	C	0.045
5	H	0.105
6	H	0.105
7	H	0.118
8	H	0.118
9	N	-0.174
10	N	-0.174

<r²>	116.649
(<r²>)^1/2	10.800

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: B97D3/6-311G**

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)