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	hartrees
Energy at 0K	-263.488135
Energy at 298.15K	-263.493932
HF Energy	-262.647160
Nuclear repulsion energy	207.714129

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3275	3074	3.80
2	A₁	3255	3055	1.78
3	A₁	1677	1574	7.34
4	A₁	1526	1432	2.23
5	A₁	1212	1137	0.03
6	A₁	1193	1119	0.65
7	A₁	1122	1053	9.30
8	A₁	1013	951	10.39
9	A₁	692	649	3.03
10	A₂	954	896	0.00
11	A₂	946	888	0.00
12	A₂	710	666	0.00
13	A₂	369	346	0.00
14	B₁	958	899	0.02
15	B₁	770	723	42.38
16	B₁	389	365	9.20
17	B₂	3265	3064	20.25
18	B₂	3249	3049	2.65
19	B₂	1676	1573	2.84
20	B₂	1484	1393	23.03
21	B₂	1354	1271	2.22
22	B₂	1116	1048	1.44
23	B₂	1077	1011	1.74
24	B₂	640	600	0.00

Atom	y (Å)	z (Å)
C1	0.690	1.182
C2	-0.690	1.182
C3	-1.321	-0.069
C4	1.321	-0.069
H5	1.272	2.098
H6	-1.272	2.098
H7	-2.403	-0.154
H8	2.403	-0.154
N9	0.670	-1.232
N10	-0.670	-1.232

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3791	2.3678	1.4011	1.0851	2.1645	3.3688	2.1726	2.4135	2.7702
C2	1.3791		1.4011	2.3678	2.1645	1.0851	2.1726	3.3688	2.7702	2.4135
C3	2.3678	1.4011		2.6418	3.3787	2.1671	1.0857	3.7251	2.3058	1.3323
C4	1.4011	2.3678	2.6418		2.1671	3.3787	3.7251	1.0857	1.3323	2.3058
H5	1.0851	2.1645	3.3787	2.1671		2.5434	4.3096	2.5195	3.3831	3.8542
H6	2.1645	1.0851	2.1671	3.3787	2.5434		2.5195	4.3096	3.8542	3.3831
H7	3.3688	2.1726	1.0857	3.7251	4.3096	2.5195		4.8066	3.2572	2.0409
H8	2.1726	3.3688	3.7251	1.0857	2.5195	4.3096	4.8066		2.0409	3.2572
N9	2.4135	2.7702	2.3058	1.3323	3.3831	3.8542	3.2572	2.0409		1.3407
N10	2.7702	2.4135	1.3323	2.3058	3.8542	3.3831	2.0409	3.2572	1.3407

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.783	C1	C2	H6	122.444
C1	C4	H8	121.249	C1	C4	N9	123.988
C2	C1	C4	116.783	C2	C1	H5	122.444
C2	C3	H7	121.249	C2	C3	N10	123.988
C3	C2	H6	120.774	C3	N10	N9	119.229
C4	C1	H5	120.774	C4	N9	N10	119.229
H7	C3	N10	114.763	H8	C4	N9	114.763

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: MP3/6-31G*

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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All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: MP3/6-31G*

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)