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	hartrees
Energy at 0K	-264.303980
Energy at 298.15K	-264.309814
Nuclear repulsion energy	207.371435

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3206	3109	7.54
2	A₁	3176	3081	0.93
3	A₁	1615	1567	5.56
4	A₁	1475	1431	1.17
5	A₁	1199	1163	0.03
6	A₁	1160	1125	0.04
7	A₁	1094	1061	12.51
8	A₁	1018	987	7.46
9	A₁	677	657	3.05
10	A₂	1023	992	0.00
11	A₂	942	914	0.00
12	A₂	774	751	0.00
13	A₂	376	365	0.00
14	B₁	981	951	0.01
15	B₁	762	739	29.17
16	B₁	376	365	8.15
17	B₂	3191	3095	18.97
18	B₂	3172	3076	9.54
19	B₂	1614	1565	3.65
20	B₂	1429	1387	17.52
21	B₂	1302	1263	2.45
22	B₂	1080	1048	0.75
23	B₂	1052	1021	1.91
24	B₂	629	610	0.04

Atom	y (Å)	z (Å)
C1	0.693	1.182
C2	-0.693	1.182
C3	-1.323	-0.068
C4	1.323	-0.068
H5	1.277	2.105
H6	-1.277	2.105
H7	-2.413	-0.155
H8	2.413	-0.155
N9	0.667	-1.234
N10	-0.667	-1.234

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3865	2.3724	1.4001	1.0920	2.1758	3.3821	2.1787	2.4166	2.7728
C2	1.3865		1.4001	2.3724	2.1758	1.0920	2.1787	3.3821	2.7728	2.4166
C3	2.3724	1.4001		2.6457	3.3887	2.1739	1.0939	3.7372	2.3059	1.3379
C4	1.4001	2.3724	2.6457		2.1739	3.3887	3.7372	1.0939	1.3379	2.3059
H5	1.0920	2.1758	3.3887	2.1739		2.5542	4.3274	2.5295	3.3946	3.8638
H6	2.1758	1.0920	2.1739	3.3887	2.5542		2.5295	4.3274	3.8638	3.3946
H7	3.3821	2.1787	1.0939	3.7372	4.3274	2.5295		4.8267	3.2636	2.0533
H8	2.1787	3.3821	3.7372	1.0939	2.5295	4.3274	4.8267		2.0533	3.2636
N9	2.4166	2.7728	2.3059	1.3379	3.3946	3.8638	3.2636	2.0533		1.3333
N10	2.7728	2.4166	1.3379	2.3059	3.8638	3.3946	2.0533	3.2636	1.3333

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.723	C1	C2	H6	122.319
C1	C4	H8	121.262	C1	C4	N9	123.905
C2	C1	C4	116.723	C2	C1	H5	122.319
C2	C3	H7	121.262	C2	C3	N10	123.905
C3	C2	H6	120.958	C3	N10	N9	119.372
C4	C1	H5	120.958	C4	N9	N10	119.372
H7	C3	N10	114.833	H8	C4	N9	114.833

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: B3LYP/cc-pVDZ

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	0.027
2	C	0.027
3	C	0.100
4	C	0.100
5	H	-0.008
6	H	-0.008
7	H	0.007
8	H	0.007
9	N	-0.126
10	N	-0.126

<r²>	116.335
(<r²>)^1/2	10.786

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: B3LYP/cc-pVDZ

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)