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	hartrees
Energy at 0K	-189.944296
Energy at 298.15K
HF Energy	-189.294398
Nuclear repulsion energy	131.642195

Atom	x (Å)	y (Å)	z (Å)
C1	0.398	0.655	0.000
C2	-0.398	-0.655	0.000
N3	-0.398	1.881	0.000
N4	0.398	-1.881	0.000
H5	0.997	-1.923	0.818
H6	0.997	-1.923	-0.818
H7	-0.997	1.923	0.818
H8	-0.997	1.923	-0.818
H9	-1.050	-0.677	-0.877
H10	-1.050	-0.677	0.877
H11	1.050	0.677	-0.877
H12	1.050	0.677	0.877

	C1	C2	N3	N4	H5	H6	H7	H8	H9	H10	H11	H12
C1		1.5325	1.4618	2.5355	2.7698	2.7698	2.0549	2.0549	2.1541	2.1541	1.0930	1.0930
C2	1.5325		2.5355	1.4618	2.0549	2.0549	2.7698	2.7698	1.0930	1.0930	2.1541	2.1541
N3	1.4618	2.5355		3.8448	4.1331	4.1331	1.0143	1.0143	2.7816	2.7816	2.0772	2.0772
N4	2.5355	1.4618	3.8448		1.0143	1.0143	4.1331	4.1331	2.0772	2.0772	2.7816	2.7816
H5	2.7698	2.0549	4.1331	1.0143		1.6355	4.3320	4.6304	2.9349	2.3969	3.1042	2.6014
H6	2.7698	2.0549	4.1331	1.0143	1.6355		4.6304	4.3320	2.3969	2.9349	2.6014	3.1042
H7	2.0549	2.7698	1.0143	4.1331	4.3320	4.6304		1.6355	3.1042	2.6014	2.9349	2.3969
H8	2.0549	2.7698	1.0143	4.1331	4.6304	4.3320	1.6355		2.6014	3.1042	2.3969	2.9349
H9	2.1541	1.0930	2.7816	2.0772	2.9349	2.3969	3.1042	2.6014		1.7539	2.4990	3.0530
H10	2.1541	1.0930	2.7816	2.0772	2.3969	2.9349	2.6014	3.1042	1.7539		3.0530	2.4990
H11	1.0930	2.1541	2.0772	2.7816	3.1042	2.6014	2.9349	2.3969	2.4990	3.0530		1.7539
H12	1.0930	2.1541	2.0772	2.7816	2.6014	3.1042	2.3969	2.9349	3.0530	2.4990	1.7539

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	N4	115.704	C1	C2	H9	109.115
C1	C2	H10	109.115	C1	N3	H7	110.878
C1	N3	H8	110.878	C2	C1	N3	115.704
C2	C1	H11	109.115	C2	C1	H12	109.115
C2	N4	H5	110.878	C2	N4	H6	110.878
N3	C1	H11	107.917	N3	C1	H12	107.917
N4	C2	H9	107.917	N4	C2	H10	107.917
H5	N4	H6	107.452	H7	N3	H8	107.452
H9	C2	H10	106.703	H11	C1	H12	106.703

All results from a given calculation for C₂H₈N₂ (Ethylenediamine)

using model chemistry: MP2/6-31+G**

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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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: MP2/6-31+G**

States and conformations

All results from a given calculation for C₂H₈N₂ (Ethylenediamine)