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	hartrees
Energy at 0K	-264.148805
Energy at 298.15K	-264.143588
HF Energy	-264.303013
Nuclear repulsion energy	208.114002

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3206	3093	8.20
2	A₁	3176	3064	0.67
3	A₁	1609	1552	6.57
4	A₁	1480	1428	1.06
5	A₁	1199	1157	0.03
6	A₁	1173	1132	0.00
7	A₁	1094	1056	10.92
8	A₁	1015	980	6.80
9	A₁	679	655	3.71
10	A₂	1026	990	0.00
11	A₂	956	923	0.00
12	A₂	785	757	0.00
13	A₂	378	365	0.00
14	B₁	989	954	0.03
15	B₁	774	747	26.97
16	B₁	378	364	8.43
17	B₂	3191	3080	18.38
18	B₂	3171	3060	11.36
19	B₂	1604	1548	4.14
20	B₂	1439	1388	17.22
21	B₂	1316	1270	2.77
22	B₂	1085	1047	1.94
23	B₂	1057	1020	1.85
24	B₂	630	608	0.12

Atom	y (Å)	z (Å)
C1	0.690	1.178
C2	-0.690	1.178
C3	-1.319	-0.068
C4	1.319	-0.068
H5	1.270	2.094
H6	-1.270	2.094
H7	-2.403	-0.151
H8	2.403	-0.151
N9	0.666	-1.229
N10	-0.666	-1.229

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3809	2.3645	1.3952	1.0843	2.1641	3.3664	2.1673	2.4072	2.7630
C2	1.3809		1.3952	2.3645	2.1641	1.0843	2.1673	3.3664	2.7630	2.4072
C3	2.3645	1.3952		2.6390	3.3733	2.1624	1.0862	3.7229	2.3004	1.3329
C4	1.3952	2.3645	2.6390		2.1624	3.3733	3.7229	1.0862	1.3329	2.3004
H5	1.0843	2.1641	3.3733	2.1624		2.5401	4.3046	2.5148	3.3779	3.8463
H6	2.1641	1.0843	2.1624	3.3733	2.5401		2.5148	4.3046	3.8463	3.3779
H7	3.3664	2.1673	1.0862	3.7229	4.3046	2.5148		4.8050	3.2524	2.0440
H8	2.1673	3.3664	3.7229	1.0862	2.5148	4.3046	4.8050		2.0440	3.2524
N9	2.4072	2.7630	2.3004	1.3329	3.3779	3.8463	3.2524	2.0440		1.3320
N10	2.7630	2.4072	1.3329	2.3004	3.8463	3.3779	2.0440	3.2524	1.3320

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.788	C1	C2	H6	122.415
C1	C4	H8	120.959	C1	C4	N9	123.612
C2	C1	C4	116.788	C2	C1	H5	122.415
C2	C3	H7	120.959	C2	C3	N10	123.612
C3	C2	H6	120.796	C3	N10	N9	119.599
C4	C1	H5	120.796	C4	N9	N10	119.599
H7	C3	N10	115.429	H8	C4	N9	115.429

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: G4

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	-0.101
2	C	-0.101
3	C	0.040
4	C	0.040
5	H	0.120
6	H	0.120
7	H	0.123
8	H	0.123
9	N	-0.182
10	N	-0.182

<r²>	115.410
(<r²>)^1/2	10.743

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: G4

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)