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	hartrees
Energy at 0K	-264.203115
Energy at 298.15K	-264.208942
Nuclear repulsion energy	207.811192

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3220	3107	5.96
2	A₁	3190	3079	0.67
3	A₁	1628	1571	5.36
4	A₁	1482	1431	1.43
5	A₁	1225	1182	0.31
6	A₁	1163	1122	0.25
7	A₁	1103	1064	14.72
8	A₁	1033	997	6.44
9	A₁	676	652	3.03
10	A₂	1021	985	0.00
11	A₂	941	908	0.00
12	A₂	777	750	0.00
13	A₂	371	358	0.00
14	B₁	981	947	0.02
15	B₁	760	733	33.95
16	B₁	371	358	8.47
17	B₂	3206	3093	16.22
18	B₂	3186	3074	8.15
19	B₂	1629	1572	3.54
20	B₂	1430	1380	19.12
21	B₂	1304	1258	2.09
22	B₂	1085	1047	0.25
23	B₂	1050	1014	2.10
24	B₂	626	604	0.02

Atom	y (Å)	z (Å)
C1	0.692	1.181
C2	-0.692	1.181
C3	-1.319	-0.068
C4	1.319	-0.068
H5	1.276	2.103
H6	-1.276	2.103
H7	-2.410	-0.157
H8	2.410	-0.157
N9	0.663	-1.231
N10	-0.663	-1.231

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3847	2.3677	1.3973	1.0920	2.1741	3.3779	2.1765	2.4122	2.7669
C2	1.3847		1.3973	2.3677	2.1741	1.0920	2.1765	3.3779	2.7669	2.4122
C3	2.3677	1.3973		2.6386	3.3842	2.1720	1.0939	3.7300	2.2987	1.3355
C4	1.3973	2.3677	2.6386		2.1720	3.3842	3.7300	1.0939	1.3355	2.2987
H5	1.0920	2.1741	3.3842	2.1720		2.5524	4.3235	2.5283	3.3907	3.8579
H6	2.1741	1.0920	2.1720	3.3842	2.5524		2.5283	4.3235	3.8579	3.3907
H7	3.3779	2.1765	1.0939	3.7300	4.3235	2.5283		4.8192	3.2555	2.0506
H8	2.1765	3.3779	3.7300	1.0939	2.5283	4.3235	4.8192		2.0506	3.2555
N9	2.4122	2.7669	2.2987	1.3355	3.3907	3.8579	3.2555	2.0506		1.3267
N10	2.7669	2.4122	1.3355	2.2987	3.8579	3.3907	2.0506	3.2555	1.3267

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.659	C1	C2	H6	122.320
C1	C4	H8	121.295	C1	C4	N9	123.922
C2	C1	C4	116.659	C2	C1	H5	122.320
C2	C3	H7	121.295	C2	C3	N10	123.922
C3	C2	H6	121.021	C3	N10	N9	119.418
C4	C1	H5	121.021	C4	N9	N10	119.418
H7	C3	N10	114.783	H8	C4	N9	114.783

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: B3PW91/cc-pVDZ

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	-0.009
2	C	-0.009
3	C	0.093
4	C	0.093
5	H	0.023
6	H	0.023
7	H	0.038
8	H	0.038
9	N	-0.145
10	N	-0.145

<r²>	115.798
(<r²>)^1/2	10.761

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: B3PW91/cc-pVDZ

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)