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	hartrees
Energy at 0K	-264.304845
Energy at 298.15K	-264.310609
HF Energy	-264.304845
Nuclear repulsion energy	207.307943

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3220	3089	11.07
2	A₁	3195	3066	2.84
3	A₁	1617	1551	5.69
4	A₁	1492	1432	0.85
5	A₁	1208	1159	0.03
6	A₁	1181	1133	0.00
7	A₁	1097	1053	10.89
8	A₁	1010	969	7.90
9	A₁	671	644	2.77
10	A₂	1016	974	0.00
11	A₂	946	908	0.00
12	A₂	763	732	0.00
13	A₂	366	351	0.00
14	B₁	978	938	0.00
15	B₁	763	732	34.98
16	B₁	364	349	8.71
17	B₂	3207	3077	34.77
18	B₂	3189	3060	7.40
19	B₂	1617	1551	4.35
20	B₂	1449	1390	15.31
21	B₂	1319	1266	2.32
22	B₂	1090	1046	1.36
23	B₂	1049	1006	1.45
24	B₂	620	595	0.01

Atom	y (Å)	z (Å)
C1	0.695	1.180
C2	-0.695	1.180
C3	-1.327	-0.066
C4	1.327	-0.066
H5	1.260	2.103
H6	-1.260	2.103
H7	-2.406	-0.143
H8	2.406	-0.143
N9	0.658	-1.236
N10	-0.658	-1.236

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3900	2.3754	1.3972	1.0821	2.1619	3.3715	2.1631	2.4163	2.7690
C2	1.3900		1.3972	2.3754	2.1619	1.0821	2.1631	3.3715	2.7690	2.4163
C3	2.3754	1.3972		2.6548	3.3761	2.1698	1.0813	3.7341	2.3044	1.3481
C4	1.3972	2.3754	2.6548		2.1698	3.3761	3.7341	1.0813	1.3481	2.3044
H5	1.0821	2.1619	3.3761	2.1698		2.5201	4.2995	2.5218	3.3927	3.8505
H6	2.1619	1.0821	2.1698	3.3761	2.5201		2.5218	4.2995	3.8505	3.3927
H7	3.3715	2.1631	1.0813	3.7341	4.2995	2.5218		4.8117	3.2526	2.0613
H8	2.1631	3.3715	3.7341	1.0813	2.5218	4.2995	4.8117		2.0613	3.2526
N9	2.4163	2.7690	2.3044	1.3481	3.3927	3.8505	3.2526	2.0613		1.3156
N10	2.7690	2.4163	1.3481	2.3044	3.8505	3.3927	2.0613	3.2526	1.3156

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.911	C1	C2	H6	121.478
C1	C4	H8	121.030	C1	C4	N9	123.309
C2	C1	C4	116.911	C2	C1	H5	121.478
C2	C3	H7	121.030	C2	C3	N10	123.309
C3	C2	H6	121.611	C3	N10	N9	119.780
C4	C1	H5	121.611	C4	N9	N10	119.780
H7	C3	N10	115.662	H8	C4	N9	115.662

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: TPSSh/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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Number	Element	Mulliken
1	C	-0.145
2	C	-0.145
3	C	0.025
4	C	0.025
5	H	0.183
6	H	0.183
7	H	0.185
8	H	0.185
9	N	-0.248
10	N	-0.248

<r²>	116.129
(<r²>)^1/2	10.776

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: TPSSh/6-31G*

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)