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	hartrees
Energy at 0K	-264.116016
Energy at 298.15K	-264.121679
HF Energy	-264.116016
Nuclear repulsion energy

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3158	3096	15.65
2	A₁	3131	3070	2.86
3	A₁	1580	1549	5.20
4	A₁	1456	1427	0.75
5	A₁	1184	1160	0.02
6	A₁	1153	1130	0.02
7	A₁	1072	1051	9.15
8	A₁	985	966	8.03
9	A₁	667	654	2.71
10	A₂	979	960	0.00
11	A₂	914	896	0.00
12	A₂	747	733	0.00
13	A₂	353	346	0.00
14	B₁	942	924	0.00
15	B₁	734	719	31.78
16	B₁	347	340	8.31
17	B₂	3144	3082	38.90
18	B₂	3126	3065	13.16
19	B₂	1573	1542	4.62
20	B₂	1412	1384	14.10
21	B₂	1287	1261	2.06
22	B₂	1067	1046	1.62
23	B₂	1033	1013	0.93
24	B₂	619	607	0.01

Atom	y (Å)	z (Å)
C1	0.696	1.186
C2	-0.696	1.186
C3	-1.328	-0.066
C4	1.328	-0.066
H5	1.276	2.109
H6	-1.276	2.109
H7	-2.416	-0.151
H8	2.416	-0.151
N9	0.671	-1.240
N10	-0.671	-1.240

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3911	2.3794	1.4029	1.0904	2.1770	3.3871	2.1794	2.4267	2.7851
C2	1.3911		1.4029	2.3794	2.1770	1.0904	2.1794	3.3871	2.7851	2.4267
C3	2.3794	1.4029		2.6553	3.3929	2.1760	1.0920	3.7449	2.3183	1.3452
C4	1.4029	2.3794	2.6553		2.1760	3.3929	3.7449	1.0920	1.3452	2.3183
H5	1.0904	2.1770	3.3929	2.1760		2.5523	4.3294	2.5318	3.4038	3.8746
H6	2.1770	1.0904	2.1760	3.3929	2.5523		2.5318	4.3294	3.8746	3.4038
H7	3.3871	2.1794	1.0920	3.7449	4.3294	2.5318		4.8326	3.2740	2.0570
H8	2.1794	3.3871	3.7449	1.0920	2.5318	4.3294	4.8326		2.0570	3.2740
N9	2.4267	2.7851	2.3183	1.3452	3.4038	3.8746	3.2740	2.0570		1.3426
N10	2.7851	2.4267	1.3452	2.3183	3.8746	3.4038	2.0570	3.2740	1.3426

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.924	C1	C2	H6	121.446
C1	C4	H8	120.834	C1	C4	N9	123.248
C2	C1	C4	116.924	C2	C1	H5	121.446
C2	C3	H7	120.834	C2	C3	N10	123.248
C3	C2	H6	121.630	C3	N10	N9	119.828
C4	C1	H5	121.630	C4	N9	N10	119.828
H7	C3	N10	115.918	H8	C4	N9	115.918

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: B97D3/6-31G*

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	-0.120
2	C	-0.120
3	C	0.034
4	C	0.034
5	H	0.160
6	H	0.160
7	H	0.163
8	H	0.163
9	N	-0.237
10	N	-0.237

<r²>	116.760
(<r²>)^1/2	10.806

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: B97D3/6-31G*

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)