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	hartrees
Energy at 0K	-761.410317
Energy at 298.15K	-761.414448
HF Energy	-761.410317
Nuclear repulsion energy	297.039819

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3772	3772	166.21
2	A'	1391	1391	272.26
3	A'	1243	1243	92.76
4	A'	1116	1116	91.10
5	A'	797	797	204.65
6	A'	607	607	9.73
7	A'	595	595	27.39
8	A'	433	433	4.73
9	A"	1330	1330	307.25
10	A"	612	612	33.60
11	A"	444	444	10.03
12	A"	133	133	96.29

Atom	x (Å)	y (Å)	z (Å)
Cl1	-0.135	0.011	0.000
O2	-0.472	1.370	0.000
O3	1.479	0.079	0.000
O4	-0.472	-0.684	1.178
O5	-0.472	-0.684	-1.178
H6	1.791	-0.840	0.000

	Cl1	O2	O3	O4	O5	H6
Cl1		1.3999	1.6152	1.4090	1.4090	2.1059
O2	1.3999		2.3390	2.3678	2.3678	3.1633
O3	1.6152	2.3390		2.4036	2.4036	0.9713
O4	1.4090	2.3678	2.4036		2.3566	2.5564
O5	1.4090	2.3678	2.4036	2.3566		2.5564
H6	2.1059	3.1633	0.9713	2.5564	2.5564

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
Cl1	O3	H6	106.333	O2	Cl1	O3	101.510
O2	Cl1	O4	114.909	O2	Cl1	O5	114.909
O3	Cl1	O4	105.065	O3	Cl1	O5	105.065
O4	Cl1	O5	113.501

All results from a given calculation for HClO₄ (perchloric acid)

using model chemistry: M06-2X/cc-pCVTZ

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	Cl	1.100
2	O	-0.347
3	O	-0.292
4	O	-0.365
5	O	-0.365
6	H	0.269

	x	y	z	Total
	2.105	-1.448	0.000	2.555
CHELPG
AIM
ESP

	x	y	z
x	4.292	-0.157	0.000
y	-0.157	4.387	0.000
z	0.000	0.000	4.124

<r²>	93.229
(<r²>)^1/2	9.656

All results from a given calculation for HClO4 (perchloric acid)

using model chemistry: M06-2X/cc-pCVTZ

States and conformations

All results from a given calculation for HClO₄ (perchloric acid)