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	hartrees
Energy at 0K	-995.155257
Energy at 298.15K	-995.153381
HF Energy	-994.591957
Nuclear repulsion energy	152.287631

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	2268	2165
2	A_g	473	452
3	A_g	97	93
4	A_u	164	156
5	B_u	997	952
6	B_u	164	157

Atom	x (Å)	y (Å)
C1	0.000	0.609
C2	0.000	-0.609
Cl3	0.085	2.261
Cl4	-0.085	-2.261

	C1	C2	Cl3	Cl4
C1		1.2187	1.6539	2.8717
C2	1.2187		2.8717	1.6539
Cl3	1.6539	2.8717		4.5254
Cl4	2.8717	1.6539	4.5254

All results from a given calculation for C₂Cl₂ (dichloroacetylene)

using model chemistry: MP4/6-31G*

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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All results from a given calculation for C2Cl2 (dichloroacetylene)

using model chemistry: MP4/6-31G*

States and conformations

All results from a given calculation for C₂Cl₂ (dichloroacetylene)