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

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-208.893915
Energy at 298.15K-208.898669
HF Energy-208.214079
Nuclear repulsion energy150.300798
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3296 3153 0.77      
2 A1 3251 3110 1.60      
3 A1 1648 1576 5.97      
4 A1 1502 1437 28.46      
5 A1 1253 1198 2.26      
6 A1 1120 1072 37.92      
7 A1 1059 1013 0.52      
8 A1 893 855 11.37      
9 A2 908 869 0.00      
10 A2 878 840 0.00      
11 A2 514 491 0.00      
12 B1 879 841 0.03      
13 B1 726 695 57.41      
14 B1 573 548 21.40      
15 B2 12136 11611 0.00      
16 B2 3269 3128 66.30      
17 B2 3243 3103 139.04      
18 B2 1317 1260 8.19      
19 B2 1295 1239 249.56      
20 B2 1028 984 42.54      
21 B2 876 838 98.76      

Unscaled Zero Point Vibrational Energy (zpe) 20832.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19930.1 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 CCD/cc-pVDZ
ABC
0.33144 0.29084 0.15491

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.251
C2 0.000 1.061 0.428
C3 0.000 -1.061 0.428
C4 0.000 0.687 -0.989
C5 0.000 -0.687 -0.989
H6 0.000 2.081 0.826
H7 0.000 -2.081 0.826
H8 0.000 1.369 -1.841
H9 0.000 -1.369 -1.841

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34321.34322.34352.34352.12432.12433.38173.3817
C21.34322.12291.46632.25051.09483.16792.28993.3251
C31.34322.12292.25051.46633.16791.09483.32512.2899
C42.34351.46632.25051.37312.28953.31021.09132.2249
C52.34352.25051.46631.37313.31022.28952.22491.0913
H62.12431.09483.16792.28953.31024.16262.76074.3610
H72.12433.16791.09483.31022.28954.16264.36102.7607
H83.38172.28993.32511.09132.22492.76074.36102.7379
H93.38173.32512.28992.22491.09134.36102.76072.7379

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 112.977 N1 C2 H6 120.888
N1 C3 C5 112.977 N1 C3 H7 120.888
C2 N1 C3 104.416 C2 C4 C5 104.815
C2 C4 H8 126.479 C3 C5 C4 104.815
C3 C5 H9 126.479 C4 C2 H6 126.135
C4 C5 H9 128.706 C5 C3 H7 126.135
C5 C4 H8 128.706
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability