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	hartrees
Energy at 0K	-263.521276
Energy at 298.15K
HF Energy	-262.654542
Nuclear repulsion energy	207.869250

Atom	y (Å)	z (Å)
C1	0.690	1.182
C2	-0.690	1.182
C3	-1.323	-0.071
C4	1.323	-0.071
H5	1.269	2.094
H6	-1.269	2.094
H7	-2.401	-0.150
H8	2.401	-0.150
N9	0.668	-1.230
N10	-0.668	-1.230

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3801	2.3709	1.4037	1.0798	2.1605	3.3657	2.1683	2.4121	2.7679
C2	1.3801		1.4037	2.3709	2.1605	1.0798	2.1683	3.3657	2.7679	2.4121
C3	2.3709	1.4037		2.6454	3.3766	2.1654	1.0809	3.7242	2.3031	1.3313
C4	1.4037	2.3709	2.6454		2.1654	3.3766	3.7242	1.0809	1.3313	2.3031
H5	1.0798	2.1605	3.3766	2.1654		2.5373	4.3012	2.5135	3.3776	3.8466
H6	2.1605	1.0798	2.1654	3.3766	2.5373		2.5135	4.3012	3.8466	3.3776
H7	3.3657	2.1683	1.0809	3.7242	4.3012	2.5135		4.8014	3.2527	2.0419
H8	2.1683	3.3657	3.7242	1.0809	2.5135	4.3012	4.8014		2.0419	3.2527
N9	2.4121	2.7679	2.3031	1.3313	3.3776	3.8466	3.2527	2.0419		1.3351
N10	2.7679	2.4121	1.3313	2.3031	3.8466	3.3776	2.0419	3.2527	1.3351

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.788	C1	C2	H6	122.402
C1	C4	H8	120.999	C1	C4	N9	123.734
C2	C1	C4	116.788	C2	C1	H5	122.402
C2	C3	H7	120.999	C2	C3	N10	123.734
C3	C2	H6	120.810	C3	N10	N9	119.478
C4	C1	H5	120.810	C4	N9	N10	119.478
H7	C3	N10	115.267	H8	C4	N9	115.267

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: MP3/6-31+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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All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: MP3/6-31+G**

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)