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

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-285.834667
Energy at 298.15K 
HF Energy-284.898808
Nuclear repulsion energy239.687543
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.082 -1.097 -0.096
C2 0.899 0.001 -0.009
C3 -0.007 1.218 0.144
C4 -1.407 0.690 -0.200
C5 -1.326 -0.807 0.149
O6 2.119 -0.011 -0.036
H7 0.481 -2.017 -0.012
H8 0.061 1.550 1.183
H9 0.338 2.032 -0.490
H10 -2.206 1.195 0.340
H11 -1.595 0.802 -1.269
H12 -1.597 -0.988 1.195
H13 -1.968 -1.420 -0.483

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13
N11.37062.32912.32811.45772.30951.00692.93993.16413.26782.79132.12052.1107
C21.37061.52522.41362.37161.22122.06052.12702.16173.34492.90652.94153.2340
C32.32911.52521.53472.41692.46283.27581.09311.08802.20802.16592.91533.3465
C42.32812.41361.53471.54013.59883.30612.19202.22021.08911.09122.19062.2023
C51.45772.37162.41691.54013.54072.18032.92383.35282.19602.16171.09531.0897
O62.30951.22122.46283.59883.54072.59032.85682.74834.50633.99734.03474.3464
H71.00692.06053.27583.30612.18032.59033.78554.08024.20293.71992.61392.5642
H82.93992.12701.09312.19202.92382.85683.78551.76322.44443.05203.03133.9640
H93.16412.16171.08802.22023.35282.74834.08021.76322.80452.42073.96304.1520
H103.26783.34492.20801.08912.19604.50634.20292.44442.80451.76572.42232.7523
H112.79132.90652.16591.09122.16173.99733.71993.05202.42071.76573.04522.3863
H122.12052.94152.91532.19061.09534.03472.61393.03133.96302.42233.04521.7718
H132.11073.23403.34652.20231.08974.34642.56423.96404.15202.75232.38631.7718

picture of 2-Pyrrolidinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 106.964 N1 C2 O6 125.922
N1 C5 C4 101.866 N1 C5 H12 111.535
N1 C5 H13 111.083 C2 N1 C5 113.933
C2 N1 H7 119.361 C2 C3 C4 104.146
C2 C3 H8 107.506 C2 C3 H9 110.512
C3 C2 O6 127.110 C3 C4 C5 103.637
C3 C4 H10 113.516 C3 C4 H11 110.000
C4 C3 H8 111.963 C4 C3 H9 114.605
C4 C5 H12 111.331 C4 C5 H13 112.617
C5 N1 H7 123.374 C5 C4 H10 112.140
C5 C4 H11 109.290 H8 C3 H9 107.882
H10 C4 H11 108.167 H12 C5 H13 108.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability