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

using model chemistry: CCD/6-31G

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/6-31G
 hartrees
Energy at 0K-208.557237
Energy at 298.15K-208.561863
HF Energy-208.098668
Nuclear repulsion energy148.932225
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/6-31G
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 3260 3128 0.69      
2 A1 3237 3106 5.60      
3 A1 1567 1504 0.06      
4 A1 1432 1374 14.42      
5 A1 1220 1170 2.95      
6 A1 1108 1063 29.19      
7 A1 1051 1008 8.73      
8 A1 909 872 10.74      
9 A2 826 793 0.00      
10 A2 789 757 0.00      
11 A2 500 480 0.00      
12 B1 805 772 0.22      
13 B1 689 661 83.34      
14 B1 566 543 21.34      
15 B2 5884 5645 147708.20      
16 B2 3231 3100 162.39      
17 B2 3225 3094 0.13      
18 B2 1332 1278 37.61      
19 B2 1288 1236 81.44      
20 B2 1000 959 4.40      
21 B2 886 850 4.47      

Unscaled Zero Point Vibrational Energy (zpe) 17400.9 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 16696.1 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/6-31G
ABC
0.32184 0.28803 0.15200

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.255
C2 0.000 1.087 0.432
C3 0.000 -1.087 0.432
C4 0.000 0.690 -0.995
C5 0.000 -0.690 -0.995
H6 0.000 2.097 0.834
H7 0.000 -2.097 0.834
H8 0.000 1.366 -1.847
H9 0.000 -1.366 -1.847

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.36321.36322.35372.35372.13922.13923.38923.3892
C21.36322.17331.48162.27871.08773.20932.29593.3477
C31.36322.17332.27871.48163.20931.08773.34772.2959
C42.35371.48162.27871.37912.30833.33371.08732.2247
C52.35372.27871.48161.37913.33372.30832.22471.0873
H62.13921.08773.20932.30833.33374.19482.77884.3794
H72.13923.20931.08773.33372.30834.19484.37942.7788
H83.38922.29593.34771.08732.22472.77884.37942.7314
H93.38923.34772.29592.22471.08734.37942.77882.7314

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 111.594 N1 C2 H6 121.173
N1 C3 C5 111.594 N1 C3 H7 121.173
C2 N1 C3 105.719 C2 C4 C5 105.546
C2 C4 H8 126.002 C3 C5 C4 105.546
C3 C5 H9 126.002 C4 C2 H6 127.233
C4 C5 H9 128.451 C5 C3 H7 127.233
C5 C4 H8 128.451
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability