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	hartrees
Energy at 0K	-264.392956
Energy at 298.15K	-264.398772
HF Energy	-264.392956
Nuclear repulsion energy	208.205518

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3189	3088	10.20
2	A₁	3160	3060	0.63
3	A₁	1604	1553	5.16
4	A₁	1480	1433	1.18
5	A₁	1186	1149	0.01
6	A₁	1170	1132	0.01
7	A₁	1088	1053	11.06
8	A₁	1006	974	7.16
9	A₁	669	648	3.18
10	A₂	1027	994	0.00
11	A₂	950	920	0.00
12	A₂	778	753	0.00
13	A₂	368	356	0.00
14	B₁	988	957	0.02
15	B₁	765	741	39.24
16	B₁	363	351	8.64
17	B₂	3175	3075	23.12
18	B₂	3155	3055	9.75
19	B₂	1604	1553	4.50
20	B₂	1440	1394	15.87
21	B₂	1309	1268	3.00
22	B₂	1084	1050	1.52
23	B₂	1054	1021	1.17
24	B₂	621	601	0.08

Atom	y (Å)	z (Å)
C1	0.692	1.175
C2	-0.692	1.175
C3	-1.322	-0.065
C4	1.322	-0.065
H5	1.255	2.094
H6	-1.255	2.094
H7	-2.397	-0.142
H8	2.397	-0.142
N9	0.655	-1.230
N10	-0.655	-1.230

	C1	C2	C3	C4	H5	H6	H7	H8	N9	N10
C1		1.3836	2.3649	1.3906	1.0782	2.1528	3.3575	2.1541	2.4049	2.7559
C2	1.3836		1.3906	2.3649	2.1528	1.0782	2.1541	3.3575	2.7559	2.4049
C3	2.3649	1.3906		2.6444	3.3619	2.1601	1.0775	3.7200	2.2947	1.3428
C4	1.3906	2.3649	2.6444		2.1601	3.3619	3.7200	1.0775	1.3428	2.2947
H5	1.0782	2.1528	3.3619	2.1601		2.5095	4.2818	2.5107	3.3778	3.8335
H6	2.1528	1.0782	2.1601	3.3619	2.5095		2.5107	4.2818	3.8335	3.3778
H7	3.3575	2.1541	1.0775	3.7200	4.2818	2.5107		4.7939	3.2399	2.0542
H8	2.1541	3.3575	3.7200	1.0775	2.5107	4.2818	4.7939		2.0542	3.2399
N9	2.4049	2.7559	2.2947	1.3428	3.3778	3.8335	3.2399	2.0542		1.3094
N10	2.7559	2.4049	1.3428	2.2947	3.8335	3.3778	2.0542	3.2399	1.3094

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	C3	116.959	C1	C2	H6	121.475
C1	C4	H8	121.047	C1	C4	N9	123.230
C2	C1	C4	116.959	C2	C1	H5	121.475
C2	C3	H7	121.047	C2	C3	N10	123.230
C3	C2	H6	121.566	C3	N10	N9	119.811
C4	C1	H5	121.566	C4	N9	N10	119.811
H7	C3	N10	115.723	H8	C4	N9	115.723

All results from a given calculation for C₄H₄N₂ (Pyridazine)

using model chemistry: TPSSh/cc-pVTZ

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	-0.086
2	C	-0.086
3	C	-0.026
4	C	-0.026
5	H	0.110
6	H	0.110
7	H	0.113
8	H	0.113
9	N	-0.112
10	N	-0.112

<r²>	115.570
(<r²>)^1/2	10.750

All results from a given calculation for C4H4N2 (Pyridazine)

using model chemistry: TPSSh/cc-pVTZ

States and conformations

All results from a given calculation for C₄H₄N₂ (Pyridazine)