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

using model chemistry: CISD/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 CISD/6-311G*
 hartrees
Energy at 0K-208.823256
Energy at 298.15K-208.828059
HF Energy-208.237019
Nuclear repulsion energy151.686612
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 CISD/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 3357 3107 1.97      
2 A1 3321 3073 2.09      
3 A1 1649 1526 1.61      
4 A1 1533 1419 27.93      
5 A1 1266 1172 3.91      
6 A1 1146 1060 38.83      
7 A1 1088 1007 0.28      
8 A1 919 850 11.83      
9 A2 931 862 0.00      
10 A2 871 806 0.00      
11 A2 526 486 0.00      
12 B1 872 807 0.52      
13 B1 750 694 81.18      
14 B1 577 534 23.47      
15 B2 3546 3281 14122.46      
16 B2 3321 3073 101.30      
17 B2 3273 3029 3479.97      
18 B2 1377 1274 84.20      
19 B2 1335 1235 59.85      
20 B2 1064 984 0.23      
21 B2 916 848 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 16819.9 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 15563.4 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 CISD/6-311G*
ABC
0.33728 0.29618 0.15770

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.239
C2 0.000 1.056 0.425
C3 0.000 -1.056 0.425
C4 0.000 0.676 -0.981
C5 0.000 -0.676 -0.981
H6 0.000 2.061 0.820
H7 0.000 -2.061 0.820
H8 0.000 1.347 -1.823
H9 0.000 -1.347 -1.823

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33321.33322.32042.32042.10292.10293.34473.3447
C21.33322.11281.45692.23171.07903.14202.26683.2911
C31.33322.11282.23171.45693.14201.07903.29112.2668
C42.32041.45692.23171.35272.27143.27631.07632.1916
C52.32042.23171.45691.35273.27632.27142.19161.0763
H62.10291.07903.14202.27143.27634.12152.73714.3124
H72.10293.14201.07903.27632.27144.12154.31242.7371
H83.34472.26683.29111.07632.19162.73714.31242.6943
H93.34473.29112.26682.19161.07634.31242.73712.6943

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 112.468 N1 C2 H6 120.971
N1 C3 C5 112.468 N1 C3 H7 120.971
C2 N1 C3 104.820 C2 C4 C5 105.122
C2 C4 H8 126.323 C3 C5 C4 105.122
C3 C5 H9 126.323 C4 C2 H6 126.561
C4 C5 H9 128.555 C5 C3 H7 126.561
C5 C4 H8 128.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability