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

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-286.170369
Energy at 298.15K 
HF Energy-284.982326
Nuclear repulsion energy241.441752
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 MP2=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/cc-pVTZ
ABC
0.24422 0.11658 0.08393

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.075 -1.088 -0.087
C2 0.894 0.001 -0.008
C3 -0.010 1.205 0.159
C4 -1.389 0.685 -0.220
C5 -1.318 -0.795 0.154
O6 2.107 -0.012 -0.046
H7 0.470 -2.010 -0.030
H8 0.036 1.498 1.206
H9 0.344 2.035 -0.438
H10 -2.205 1.197 0.274
H11 -1.528 0.769 -1.292
H12 -1.589 -0.948 1.199
H13 -1.966 -1.408 -0.462

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13
N11.36412.30742.30321.44422.29931.00422.89123.15393.24822.73402.10722.0998
C21.36411.51522.39242.35621.21362.05462.10992.15093.33392.84742.91843.2199
C32.30741.51521.52082.38932.45043.25571.08791.08182.19792.14472.86453.3222
C42.30322.39241.52081.52803.56853.27902.17272.20681.08281.08522.17212.1850
C51.44422.35622.38931.52803.51912.16942.86303.33442.18352.14061.09001.0839
O62.29931.21362.45043.56853.51912.58322.85222.72984.48963.92154.01004.3253
H71.00422.05463.25573.27902.16942.58323.74454.06714.18683.64802.62172.5454
H82.89122.10991.08792.17272.86302.85223.74451.75592.44533.03592.93623.9030
H93.15392.15091.08182.20683.33442.72984.06711.75592.77592.41573.91254.1458
H103.24823.33392.19791.08282.18354.48964.18682.44532.77591.75952.41532.7177
H112.73402.84742.14471.08522.14063.92153.64803.03592.41571.75953.02622.3712
H122.10722.91842.86452.17211.09004.01002.62172.93623.91252.41533.02621.7641
H132.09983.21993.32222.18501.08394.32532.54543.90304.14582.71772.37121.7641

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 106.407 N1 C2 O6 126.147
N1 C5 C4 101.559 N1 C5 H12 111.742
N1 C5 H13 111.525 C2 N1 C5 114.044
C2 N1 H7 119.580 C2 C3 C4 103.997
C2 C3 H8 107.153 C2 C3 H9 110.726
C3 C2 O6 127.438 C3 C4 C5 103.202
C3 C4 H10 114.112 C3 C4 H11 109.638
C4 C3 H8 111.711 C4 C3 H9 114.926
C4 C5 H12 111.026 C4 C5 H13 112.446
C5 N1 H7 123.763 C5 C4 H10 112.392
C5 C4 H11 108.821 H8 C3 H9 108.049
H10 C4 H11 108.501 H12 C5 H13 108.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability