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	hartrees
Energy at 0K	-263.758385
Energy at 298.15K	-263.764216
Nuclear repulsion energy	207.839564

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3248	3084	3.61
2	A₁	3222	3059	0.10
3	A₁	1608	1527	5.12
4	A₁	1483	1408	2.11
5	A₁	1310	1244	0.02
6	A₁	1168	1109	0.09
7	A₁	1094	1038	9.26
8	A₁	996	946	5.48
9	A₁	669	635	2.69
10	A₂	1013	962	0.00
11	A₂	947	900	0.00
12	A₂	767	729	0.00
13	A₂	371	352	0.00
14	B₁	986	936	0.03
15	B₁	769	730	41.95
16	B₁	372	353	9.20
17	B₂	3235	3071	11.25
18	B₂	3216	3054	4.75
19	B₂	1607	1526	5.45
20	B₂	1430	1358	15.34
21	B₂	1304	1238	2.80
22	B₂	1087	1032	1.93
23	B₂	1064	1011	0.64
24	B₂	619	588	0.11

Atom	y (Å)	z (Å)
C1	0.691	1.179
C2	-0.691	1.179
C3	-1.319	-0.064
C4	1.319	-0.064
H5	1.269	2.093
H6	-1.269	2.093
H7	-2.398	-0.148
H8	2.398	-0.148
N9	0.669	-1.234
N10	-0.669	-1.234

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3828	2.3640	1.3927	1.0804	2.1624	3.3622	2.1619	2.4135	2.7704
C2	1.3828		1.3927	2.3640	2.1624	1.0804	2.1619	3.3622	2.7704	2.4135
C3	2.3640	1.3927		2.6388	3.3687	2.1570	1.0815	3.7179	2.3071	1.3389
C4	1.3927	2.3640	2.6388		2.1570	3.3687	3.7179	1.0815	1.3389	2.3071
H5	1.0804	2.1624	3.3687	2.1570		2.5373	4.2969	2.5093	3.3803	3.8498
H6	2.1624	1.0804	2.1570	3.3687	2.5373		2.5093	4.2969	3.8498	3.3803
H7	3.3622	2.1619	1.0815	3.7179	4.2969	2.5093		4.7951	3.2530	2.0413
H8	2.1619	3.3622	3.7179	1.0815	2.5093	4.2969	4.7951		2.0413	3.2530
N9	2.4135	2.7704	2.3071	1.3389	3.3803	3.8498	3.2530	2.0413		1.3378
N10	2.7704	2.4135	1.3389	2.3071	3.8498	3.3803	2.0413	3.2530	1.3378

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.801	C1	C2	H6	122.296
C1	C4	H8	121.289	C1	C4	N9	124.131
C2	C1	C4	116.801	C2	C1	H5	122.296
C2	C3	H7	121.289	C2	C3	N10	124.131
C3	C2	H6	120.903	C3	N10	N9	119.068
C4	C1	H5	120.903	C4	N9	N10	119.068
H7	C3	N10	114.579	H8	C4	N9	114.579

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: MP2/cc-pVTZ

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: MP2/cc-pVTZ

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)