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	hartrees
Energy at 0K	-285.779574
Energy at 298.15K	-285.789102
HF Energy	-284.878239
Nuclear repulsion energy	239.989944

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3698	3470	41.77
2	A	3197	3000	14.81
3	A	3186	2990	14.79
4	A	3155	2961	33.14
5	A	3132	2939	14.62
6	A	3120	2927	9.73
7	A	3077	2887	55.58
8	A	1910	1792	466.12
9	A	1599	1500	2.78
10	A	1563	1466	8.25
11	A	1534	1439	4.70
12	A	1505	1412	67.55
13	A	1419	1332	10.50
14	A	1393	1307	26.33
15	A	1365	1280	42.73
16	A	1318	1237	63.68
17	A	1286	1207	4.40
18	A	1256	1179	1.09
19	A	1225	1149	6.00
20	A	1132	1063	0.48
21	A	1123	1053	14.86
22	A	1039	975	11.97
23	A	958	899	0.80
24	A	942	884	2.00
25	A	926	869	4.31
26	A	850	798	5.58
27	A	715	671	11.76
28	A	654	614	20.46
29	A	574	539	51.62
30	A	504	473	83.85
31	A	479	449	14.92
32	A	208	196	6.61
33	A	143	135	2.21

Atom	x (Å)	y (Å)	z (Å)
N1	0.081	-1.094	-0.080
C2	0.904	-0.002	-0.010
C3	-0.003	1.217	0.143
C4	-1.406	0.694	-0.195
C5	-1.327	-0.809	0.138
O6	2.117	-0.014	-0.040
H7	0.478	-2.021	-0.023
H8	0.068	1.560	1.182
H9	0.342	2.030	-0.498
H10	-2.203	1.195	0.359
H11	-1.605	0.819	-1.263
H12	-1.627	-1.005	1.178
H13	-1.961	-1.414	-0.517

	N1	C2	C3	C4	C5	O6	H7	H8	H9	H10	H11	H12	H13
N1		1.3686	2.3229	2.3280	1.4537	2.3049	1.0101	2.9382	3.1625	3.2634	2.8111	2.1227	2.1132
C2	1.3686		1.5269	2.4191	2.3773	1.2139	2.0636	2.1346	2.1640	3.3497	2.9219	2.9695	3.2340
C3	2.3229	1.5269		1.5347	2.4205	2.4585	3.2777	1.0964	1.0917	2.2104	2.1683	2.9398	3.3453
C4	2.3280	2.4191	1.5347		1.5414	3.5967	3.3086	2.1955	2.2212	1.0925	1.0941	2.1950	2.2032
C5	1.4537	2.3773	2.4205	1.5414		3.5397	2.1801	2.9410	3.3548	2.1984	2.1665	1.0990	1.0942
O6	2.3049	1.2139	2.4585	3.5967	3.5397		2.5917	2.8576	2.7456	4.5039	4.0054	4.0595	4.3383
H7	1.0101	2.0636	3.2777	3.3086	2.1801	2.5917		3.8000	4.0812	4.2043	3.7340	2.6268	2.5616
H8	2.9382	2.1346	1.0964	2.1955	2.9410	2.8576	3.8000		1.7663	2.4436	3.0543	3.0743	3.9812
H9	3.1625	2.1640	1.0917	2.2212	3.3548	2.7456	4.0812	1.7663		2.8123	2.4171	3.9870	4.1433
H10	3.2634	3.3497	2.2104	1.0925	2.1984	4.5039	4.2043	2.4436	2.8123		1.7693	2.4175	2.7628
H11	2.8111	2.9219	2.1683	1.0941	2.1665	4.0054	3.7340	3.0543	2.4171	1.7693		3.0474	2.3812
H12	2.1227	2.9695	2.9398	2.1950	1.0990	4.0595	2.6268	3.0743	3.9870	2.4175	3.0474		1.7753
H13	2.1132	3.2340	3.3453	2.2032	1.0942	4.3383	2.5616	3.9812	4.1433	2.7628	2.3812	1.7753

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	C2	C3	106.562	N1	C2	O6	126.268
N1	C5	C4	101.982	N1	C5	H12	111.772
N1	C5	H13	111.299	C2	N1	C5	114.739
C2	N1	H7	119.579	C2	C3	C4	104.390
C2	C3	H8	107.791	C2	C3	H9	110.352
C3	C2	O6	127.158	C3	C4	C5	103.788
C3	C4	H10	113.496	C3	C4	H11	110.007
C4	C3	H8	112.036	C4	C3	H9	114.437
C4	C5	H12	111.371	C4	C5	H13	112.317
C5	N1	H7	123.464	C5	C4	H10	112.036
C5	C4	H11	109.409	H8	C3	H9	107.649
H10	C4	H11	108.033	H12	C5	H13	108.089

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

using model chemistry: MP3=FULL/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 C4H7NO (2-Pyrrolidinone)

using model chemistry: MP3=FULL/6-31G*

States and conformations

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