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	hartrees
Energy at 0K	-264.118428
Energy at 298.15K	-264.124088
Nuclear repulsion energy	203.904747

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3154	3130	7.87
2	A₁	3134	3111	8.37
3	A₁	1547	1535	6.11
4	A₁	1422	1411	4.70
5	A₁	1184	1175	0.05
6	A₁	1114	1105	1.63
7	A₁	1025	1017	1.63
8	A₁	879	872	5.84
9	A₁	666	661	1.59
10	A₂	1000	992	0.00
11	A₂	926	918	0.00
12	A₂	740	734	0.00
13	A₂	358	356	0.00
14	B₁	961	954	0.10
15	B₁	747	741	37.38
16	B₁	350	348	9.54
17	B₂	3144	3120	39.20
18	B₂	3123	3099	0.02
19	B₂	1529	1517	4.74
20	B₂	1406	1396	14.68
21	B₂	1267	1257	2.05
22	B₂	1061	1053	2.60
23	B₂	1009	1001	0.07
24	B₂	623	619	0.04

Atom	y (Å)	z (Å)
C1	0.701	1.195
C2	-0.701	1.195
C3	-1.350	-0.058
C4	1.350	-0.058
H5	1.277	2.122
H6	-1.277	2.122
H7	-2.439	-0.138
H8	2.439	-0.138
N9	0.694	-1.258
N10	-0.694	-1.258

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.4012	2.4034	1.4117	1.0920	2.1846	3.4108	2.1906	2.4525	2.8214
C2	1.4012		1.4117	2.4034	2.1846	1.0920	2.1906	3.4108	2.8214	2.4525
C3	2.4034	1.4117		2.7001	3.4145	2.1818	1.0917	3.7897	2.3700	1.3667
C4	1.4117	2.4034	2.7001		2.1818	3.4145	3.7897	1.0917	1.3667	2.3700
H5	1.0920	2.1846	3.4145	2.1818		2.5550	4.3497	2.5412	3.4296	3.9127
H6	2.1846	1.0920	2.1818	3.4145	2.5550		2.5412	4.3497	3.9127	3.4296
H7	3.4108	2.1906	1.0917	3.7897	4.3497	2.5412		4.8776	3.3269	2.0728
H8	2.1906	3.4108	3.7897	1.0917	2.5412	4.3497	4.8776		2.0728	3.3269
N9	2.4525	2.8214	2.3700	1.3667	3.4296	3.9127	3.3269	2.0728		1.3884
N10	2.8214	2.4525	1.3667	2.3700	3.9127	3.4296	2.0728	3.3269	1.3884

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	117.390	C1	C2	H6	121.888
C1	C4	H8	121.579	C1	C4	N9	123.932
C2	C1	C4	117.390	C2	C1	H5	121.888
C2	C3	H7	121.579	C2	C3	N10	123.932
C3	C2	H6	120.722	C3	N10	N9	118.678
C4	C1	H5	120.722	C4	N9	N10	118.678
H7	C3	N10	114.489	H8	C4	N9	114.489

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: BLYP/6-31G

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	-0.066
2	C	-0.066
3	C	0.008
4	C	0.008
5	H	0.128
6	H	0.128
7	H	0.141
8	H	0.141
9	N	-0.210
10	N	-0.210

<r²>	119.744
(<r²>)^1/2	10.943

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: BLYP/6-31G

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)