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	hartrees
Energy at 0K	-31.349710
Energy at 298.15K	-31.350437
Nuclear repulsion energy	30.942926

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	4081	3724	521.34
2	A'	2399	2189	1114.65
3	A'	1370	1250	44.02
4	A'	658	600	21.38
5	A'	280	255	466.61
6	A"	659	601	13.12

Atom	x (Å)	y (Å)
H1	0.936	-1.863
N2	0.321	-1.098
C3	0.000	0.040
O4	-0.398	1.164

	H1	N2	C3	O4
H1		0.9820	2.1208	3.3082
N2	0.9820		1.1821	2.3735
C3	2.1208	1.1821		1.1927
O4	3.3082	2.3735	1.1927

Number	Element	Mulliken
1	H	0.430
2	N	-0.258
3	C	0.070
4	O	-0.242

All results from a given calculation for HNCO (Isocyanic acid)

using model chemistry: HF/CEP-121G

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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	x	y	z	Total
	2.072	-2.991	0.000	3.638
CHELPG
AIM
ESP

	x	y	z
x	1.521	-0.934	0.000
y	-0.934	4.349	0.000
z	0.000	0.000	1.228

<r²>	30.479
(<r²>)^1/2	5.521