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

using model chemistry: CCD/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-208.997476
Energy at 298.15K-209.002267
HF Energy-208.218090
Nuclear repulsion energy151.522561
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(2df,p)
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 3316 3141 0.46      
2 A1 3271 3098 0.66      
3 A1 1620 1534 4.42      
4 A1 1490 1412 26.67      
5 A1 1259 1192 4.51      
6 A1 1124 1065 37.05      
7 A1 1077 1020 0.06      
8 A1 900 853 12.98      
9 A2 931 882 0.00      
10 A2 893 845 0.00      
11 A2 524 496 0.00      
12 B1 896 849 0.20      
13 B1 745 706 52.09      
14 B1 578 547 21.13      
15 B2 7897 7480 508054.90      
16 B2 3291 3117 47.60      
17 B2 3262 3090 95.24      
18 B2 1337 1267 57.18      
19 B2 1314 1245 80.62      
20 B2 1037 982 0.57      
21 B2 895 848 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 18828.8 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 17834.6 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(2df,p)
ABC
0.33633 0.29589 0.15741

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.242
C2 0.000 1.055 0.424
C3 0.000 -1.055 0.424
C4 0.000 0.680 -0.981
C5 0.000 -0.680 -0.981
H6 0.000 2.063 0.817
H7 0.000 -2.063 0.817
H8 0.000 1.356 -1.821
H9 0.000 -1.356 -1.821

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33471.33472.32442.32442.10652.10653.34973.3497
C21.33472.11031.45432.23321.08213.14312.26563.2950
C31.33472.11032.23321.45433.14311.08213.29502.2656
C42.32441.45432.23321.36102.26843.28051.07832.2033
C52.32442.23321.45431.36103.28052.26842.20331.0783
H62.10651.08213.14312.26843.28054.12662.73164.3191
H72.10653.14311.08213.28052.26844.12664.31912.7316
H83.34972.26563.29501.07832.20332.73164.31912.7125
H93.34973.29502.26562.20331.07834.31912.73162.7125

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 112.834 N1 C2 H6 120.942
N1 C3 C5 112.834 N1 C3 H7 120.942
C2 N1 C3 104.475 C2 C4 C5 104.928
C2 C4 H8 126.267 C3 C5 C4 104.928
C3 C5 H9 126.267 C4 C2 H6 126.224
C4 C5 H9 128.805 C5 C3 H7 126.224
C5 C4 H8 128.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability