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All results from a given calculation for C4H4N (pyrrolide radical)

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-205.867441
Energy at 298.15K-205.871914
HF Energy-205.612866
Nuclear repulsion energy147.705008
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3578 3181 5.53      
2 A1 3534 3141 0.00      
3 A1 1655 1472 0.07      
4 A1 1536 1365 16.03      
5 A1 1242 1104 0.17      
6 A1 1151 1023 6.57      
7 A1 1101 979 1.08      
8 A1 923 820 5.93      
9 A2 975 867 0.00      
10 A2 861 766 0.00      
11 A2 550 489 0.00      
12 B1 841 747 3.91      
13 B1 750 667 17.33      
14 B1 576 512 9.84      
15 B2 3554 3159 21.69      
16 B2 3531 3139 5.93      
17 B2 2242 1993 369.72      
18 B2 1380 1227 9.83      
19 B2 1277 1136 44.67      
20 B2 1012 900 15.45      
21 B2 896 797 5.57      

Unscaled Zero Point Vibrational Energy (zpe) 16583.6 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 14741.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/STO-3G
ABC
0.32254 0.27860 0.14948

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.291
C2 0.000 1.082 0.431
C3 0.000 -1.082 0.431
C4 0.000 0.688 -1.009
C5 0.000 -0.688 -1.009
H6 0.000 2.116 0.814
H7 0.000 -2.116 0.814
H8 0.000 1.375 -1.864
H9 0.000 -1.375 -1.864

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.38201.38202.40072.40072.16902.16903.44143.4414
C21.38202.16341.49302.28131.10273.22042.31343.3617
C31.38202.16342.28131.49303.22041.10273.36172.3134
C42.40071.49302.28131.37532.31583.34411.09672.2326
C52.40072.28131.49301.37533.34412.31582.23261.0967
H62.16901.10273.22042.31583.34414.23172.77834.3994
H72.16903.22041.10273.34412.31584.23174.39942.7783
H83.44142.31343.36171.09672.23262.77834.39942.7498
H93.44143.36172.31342.23261.09674.39942.77832.7498

picture of pyrrolide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 113.184 N1 C2 H6 121.195
N1 C3 C5 113.184 N1 C3 H7 121.195
C2 N1 C3 103.025 C2 C4 C5 105.304
C2 C4 H8 125.894 C3 C5 C4 105.304
C3 C5 H9 125.894 C4 C2 H6 125.621
C4 C5 H9 128.802 C5 C3 H7 125.621
C5 C4 H8 128.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability