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	hartrees
Energy at 0K	-285.840687
Energy at 298.15K	-285.850213
HF Energy	-284.938167
Nuclear repulsion energy	239.893685

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3670	3488	33.26
2	A	3179	3021	21.12
3	A	3168	3011	11.74
4	A	3140	2984	30.95
5	A	3108	2954	18.99
6	A	3094	2940	11.95
7	A	3053	2901	62.85
8	A	1831	1740	400.37
9	A	1571	1493	2.32
10	A	1537	1460	9.82
11	A	1507	1433	6.36
12	A	1469	1396	37.66
13	A	1391	1322	8.42
14	A	1369	1301	12.53
15	A	1332	1265	42.29
16	A	1289	1225	57.16
17	A	1272	1208	27.35
18	A	1233	1172	2.09
19	A	1210	1150	5.90
20	A	1114	1059	4.35
21	A	1106	1051	12.25
22	A	1026	975	14.02
23	A	950	903	0.43
24	A	929	883	1.81
25	A	911	866	4.74
26	A	835	793	5.88
27	A	704	669	15.22
28	A	642	610	17.80
29	A	568	540	51.78
30	A	502	477	72.51
31	A	469	446	10.47
32	A	225	214	5.39
33	A	145	138	2.29

Atom	x (Å)	y (Å)	z (Å)
N1	0.078	-1.092	-0.084
C2	0.903	0.000	-0.011
C3	-0.009	1.214	0.152
C4	-1.402	0.691	-0.208
C5	-1.326	-0.805	0.148
O6	2.120	-0.013	-0.041
H7	0.475	-2.017	-0.027
H8	0.054	1.542	1.195
H9	0.342	2.034	-0.476
H10	-2.210	1.196	0.327
H11	-1.580	0.801	-1.281
H12	-1.612	-0.986	1.192
H13	-1.965	-1.416	-0.495

	N1	C2	C3	C4	C5	O6	H7	H8	H9	H10	H11	H12	H13
N1		1.3715	2.3197	2.3203	1.4515	2.3105	1.0084	2.9287	3.1618	3.2610	2.7861	2.1203	2.1088
C2	1.3715		1.5271	2.4150	2.3760	1.2171	2.0624	2.1337	2.1608	3.3516	2.9019	2.9574	3.2359
C3	2.3197	1.5271		1.5308	2.4105	2.4651	3.2720	1.0956	1.0911	2.2073	2.1653	2.9136	3.3409
C4	2.3203	2.4150	1.5308		1.5392	3.5958	3.3000	2.1939	2.2177	1.0917	1.0932	2.1941	2.1997
C5	1.4515	2.3760	2.4105	1.5392		3.5413	2.1782	2.9174	3.3514	2.1943	2.1641	1.0981	1.0931
O6	2.3105	1.2171	2.4651	3.5958	3.5413		2.5928	2.8665	2.7464	4.5102	3.9859	4.0492	4.3434
H7	1.0084	2.0624	3.2720	3.3000	2.1782	2.5928		3.7868	4.0783	4.2017	3.7062	2.6281	2.5565
H8	2.9287	2.1337	1.0956	2.1939	2.9174	2.8665	3.7868		1.7659	2.4490	3.0574	3.0273	3.9605
H9	3.1618	2.1608	1.0911	2.2177	3.3514	2.7464	4.0783	1.7659		2.8029	2.4207	3.9648	4.1506
H10	3.2610	3.3516	2.2073	1.0917	2.1943	4.5102	4.2017	2.4490	2.8029		1.7707	2.4217	2.7489
H11	2.7861	2.9019	2.1653	1.0932	2.1641	3.9859	3.7062	3.0574	2.4207	1.7707		3.0510	2.3836
H12	2.1203	2.9574	2.9136	2.1941	1.0981	4.0492	2.6281	3.0273	3.9648	2.4217	3.0510		1.7771
H13	2.1088	3.2359	3.3409	2.1997	1.0931	4.3434	2.5565	3.9605	4.1506	2.7489	2.3836	1.7771

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	C2	C3	106.190	N1	C2	O6	126.292
N1	C5	C4	101.720	N1	C5	H12	111.780
N1	C5	H13	111.150	C2	N1	C5	114.596
C2	N1	H7	119.353	C2	C3	C4	104.321
C2	C3	H8	107.748	C2	C3	H9	110.125
C3	C2	O6	127.501	C3	C4	C5	103.472
C3	C4	H10	113.577	C3	C4	H11	110.102
C4	C3	H8	112.233	C4	C3	H9	114.487
C4	C5	H12	111.499	C4	C5	H13	112.258
C5	N1	H7	123.618	C5	C4	H10	111.903
C5	C4	H11	109.423	H8	C3	H9	107.721
H10	C4	H11	108.272	H12	C5	H13	108.388

All results from a given calculation for C₄H₇NO (2-Pyrrolidinone)

using model chemistry: MP2/6-311G*

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 C4H7NO (2-Pyrrolidinone)

using model chemistry: MP2/6-311G*

States and conformations

All results from a given calculation for C₄H₇NO (2-Pyrrolidinone)