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	hartrees
Energy at 0K	-264.132290
Energy at 298.15K	-264.137966
HF Energy	-264.132290
Nuclear repulsion energy	206.569161

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3156	3102	15.08
2	A₁	3132	3079	0.99
3	A₁	1571	1544	3.40
4	A₁	1446	1421	0.76
5	A₁	1178	1158	0.06
6	A₁	1147	1128	0.02
7	A₁	1068	1050	10.43
8	A₁	984	967	7.06
9	A₁	665	654	2.06
10	A₂	980	963	0.00
11	A₂	911	896	0.00
12	A₂	742	729	0.00
13	A₂	350	344	0.00
14	B₁	946	930	0.03
15	B₁	733	720	44.50
16	B₁	346	340	9.05
17	B₂	3144	3089	33.11
18	B₂	3127	3073	6.66
19	B₂	1565	1538	4.54
20	B₂	1400	1376	13.34
21	B₂	1278	1257	2.08
22	B₂	1062	1044	0.81
23	B₂	1031	1013	0.33
24	B₂	618	608	0.00

Atom	y (Å)	z (Å)
C1	0.696	1.186
C2	-0.696	1.186
C3	-1.330	-0.066
C4	1.330	-0.066
H5	1.277	2.109
H6	-1.277	2.109
H7	-2.417	-0.154
H8	2.417	-0.154
N9	0.670	-1.240
N10	-0.670	-1.240

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3923	2.3814	1.4030	1.0899	2.1778	3.3895	2.1813	2.4263	2.7844
C2	1.3923		1.4030	2.3814	2.1778	1.0899	2.1813	3.3895	2.7844	2.4263
C3	2.3814	1.4030		2.6593	3.3942	2.1750	1.0910	3.7478	2.3191	1.3469
C4	1.4030	2.3814	2.6593		2.1750	3.3942	3.7478	1.0910	1.3469	2.3191
H5	1.0899	2.1778	3.3942	2.1750		2.5532	4.3317	2.5340	3.4032	3.8734
H6	2.1778	1.0899	2.1750	3.3942	2.5532		2.5340	4.3317	3.8734	3.4032
H7	3.3895	2.1813	1.0910	3.7478	4.3317	2.5340		4.8342	3.2726	2.0569
H8	2.1813	3.3895	3.7478	1.0910	2.5340	4.3317	4.8342		2.0569	3.2726
N9	2.4263	2.7844	2.3191	1.3469	3.4032	3.8734	3.2726	2.0569		1.3402
N10	2.7844	2.4263	1.3469	2.3191	3.8734	3.4032	2.0569	3.2726	1.3402

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.969	C1	C2	H6	121.471
C1	C4	H8	120.904	C1	C4	N9	123.102
C2	C1	C4	116.969	C2	C1	H5	121.471
C2	C3	H7	120.904	C2	C3	N10	123.102
C3	C2	H6	121.560	C3	N10	N9	119.929
C4	C1	H5	121.560	C4	N9	N10	119.929
H7	C3	N10	115.994	H8	C4	N9	115.994

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: B97D3/6-31+G**

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	0.106
2	C	0.106
3	C	-0.340
4	C	-0.340
5	H	0.154
6	H	0.154
7	H	0.154
8	H	0.154
9	N	-0.073
10	N	-0.073

<r²>	117.461
(<r²>)^1/2	10.838

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: B97D3/6-31+G**

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)