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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-208.897072
Energy at 298.15K-208.901769
HF Energy-208.235197
Nuclear repulsion energy151.261974
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 MP2/6-311G*
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 3290 3127 0.87      
2 A1 3257 3095 0.45      
3 A1 1594 1515 16.67      
4 A1 1455 1383 27.90      
5 A1 1268 1205 12.41      
6 A1 1116 1060 43.85      
7 A1 1082 1028 4.43      
8 A1 895 851 11.69      
9 A2 884 840 0.00      
10 A2 817 776 0.00      
11 A2 494 469 0.00      
12 B1 887 843 0.55      
13 B1 703 668 72.79      
14 B1 563 535 32.24      
15 B2 27086 25740 0.00      
16 B2 3267 3105 72.45      
17 B2 3249 3087 78.01      
18 B2 1325 1259 119.32      
19 B2 1304 1239 34.45      
20 B2 1032 981 1.05      
21 B2 890 846 6.03      

Unscaled Zero Point Vibrational Energy (zpe) 28228.2 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 26825.2 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 MP2/6-311G*
ABC
0.33478 0.29538 0.15693

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.262
C2 0.000 1.044 0.416
C3 0.000 -1.044 0.416
C4 0.000 0.691 -0.982
C5 0.000 -0.691 -0.982
H6 0.000 2.050 0.822
H7 0.000 -2.050 0.822
H8 0.000 1.352 -1.840
H9 0.000 -1.352 -1.840

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34331.34332.34812.34812.09622.09623.38323.3832
C21.34332.08721.44232.22781.08493.11982.27663.2903
C31.34332.08722.22781.44233.11981.08493.29032.2766
C42.34811.44232.22781.38122.25923.28111.08262.2150
C52.34812.22781.44231.38123.28112.25922.21501.0826
H62.09621.08493.11982.25923.28114.09922.75184.3191
H72.09623.11981.08493.28112.25924.09924.31912.7518
H83.38322.27663.29031.08262.21502.75184.31912.7036
H93.38323.29032.27662.21501.08264.31912.75182.7036

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 114.856 N1 C2 H6 118.988
N1 C3 C5 114.856 N1 C3 H7 118.988
C2 N1 C3 101.954 C2 C4 C5 104.167
C2 C4 H8 128.188 C3 C5 C4 104.167
C3 C5 H9 128.188 C4 C2 H6 126.156
C4 C5 H9 127.645 C5 C3 H7 126.156
C5 C4 H8 127.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability