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	hartrees
Energy at 0K	-262.871644
Energy at 298.15K	-262.877322
Nuclear repulsion energy	208.858095

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3124	3094	6.33
2	A₁	3094	3064	0.01
3	A₁	1602	1586	5.96
4	A₁	1450	1436	1.91
5	A₁	1245	1233	0.06
6	A₁	1136	1126	0.30
7	A₁	1084	1074	16.90
8	A₁	1023	1014	7.14
9	A₁	666	660	2.70
10	A₂	975	966	0.00
11	A₂	905	897	0.00
12	A₂	763	755	0.00
13	A₂	343	339	0.00
14	B₁	943	934	0.05
15	B₁	726	719	50.92
16	B₁	339	336	9.19
17	B₂	3110	3080	13.05
18	B₂	3090	3061	8.43
19	B₂	1592	1577	4.21
20	B₂	1402	1389	22.53
21	B₂	1277	1264	1.28
22	B₂	1063	1053	0.05
23	B₂	1030	1020	1.46
24	B₂	616	610	0.00

Atom	y (Å)	z (Å)
C1	0.688	1.172
C2	-0.688	1.172
C3	-1.313	-0.067
C4	1.313	-0.067
H5	1.272	2.097
H6	-1.272	2.097
H7	-2.406	-0.158
H8	2.406	-0.158
N9	0.661	-1.224
N10	-0.661	-1.224

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3763	2.3535	1.3875	1.0945	2.1680	3.3672	2.1718	2.3958	2.7494
C2	1.3763		1.3875	2.3535	2.1680	1.0945	2.1718	3.3672	2.7494	2.3958
C3	2.3535	1.3875		2.6257	3.3716	2.1648	1.0964	3.7195	2.2877	1.3279
C4	1.3875	2.3535	2.6257		2.1648	3.3716	3.7195	1.0964	1.3279	2.2877
H5	1.0945	2.1680	3.3716	2.1648		2.5447	4.3141	2.5237	3.3770	3.8429
H6	2.1680	1.0945	2.1648	3.3716	2.5447		2.5237	4.3141	3.8429	3.3770
H7	3.3672	2.1718	1.0964	3.7195	4.3141	2.5237		4.8110	3.2464	2.0447
H8	2.1718	3.3672	3.7195	1.0964	2.5237	4.3141	4.8110		2.0447	3.2464
N9	2.3958	2.7494	2.2877	1.3279	3.3770	3.8429	3.2464	2.0447		1.3216
N10	2.7494	2.3958	1.3279	2.2877	3.8429	3.3770	2.0447	3.2464	1.3216

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.759	C1	C2	H6	122.260
C1	C4	H8	121.497	C1	C4	N9	123.834
C2	C1	C4	116.759	C2	C1	H5	122.260
C2	C3	H7	121.497	C2	C3	N10	123.834
C3	C2	H6	120.981	C3	N10	N9	119.407
C4	C1	H5	120.981	C4	N9	N10	119.407
H7	C3	N10	114.669	H8	C4	N9	114.669

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: SVWN/6-311G*

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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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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Number	Element	Mulliken
1	C	-0.220
2	C	-0.220
3	C	-0.102
4	C	-0.102
5	H	0.236
6	H	0.236
7	H	0.243
8	H	0.243
9	N	-0.158
10	N	-0.158

<r²>	0.000
(<r²>)^1/2	0.000

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: SVWN/6-311G*

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)