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All results from a given calculation for C4H5N (Pyrrole)

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 1A1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-209.545944
Energy at 298.15K 
HF Energy-208.818586
Nuclear repulsion energy161.029030
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 3789 3552 70.37      
2 A1 3352 3143 0.42      
3 A1 3330 3122 5.39      
4 A1 1567 1469 12.61      
5 A1 1483 1391 5.92      
6 A1 1206 1131 3.58      
7 A1 1128 1058 11.40      
8 A1 1070 1003 23.94      
9 A1 911 854 0.33      
10 A2 835 783 0.00      
11 A2 689 646 0.00      
12 A2 605 567 0.00      
13 B1 824 772 4.97      
14 B1 740 694 125.39      
15 B1 639 599 1.50      
16 B1 450 422 84.40      
17 B2 3345 3136 8.56      
18 B2 3319 3112 2.36      
19 B2 1645 1542 2.95      
20 B2 1540 1444 16.08      
21 B2 1359 1274 1.43      
22 B2 1201 1126 1.66      
23 B2 1107 1038 16.49      
24 B2 889 833 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 18511.3 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 17356.2 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 CCD/6-31G**
ABC
0.30553 0.30152 0.15176

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 1.121
H2 0.000 0.000 2.123
C3 0.000 1.123 0.331
C4 0.000 -1.123 0.331
C5 0.000 0.713 -0.982
C6 0.000 -0.713 -0.982
H7 0.000 2.109 0.764
H8 0.000 -2.109 0.764
H9 0.000 1.359 -1.843
H10 0.000 -1.359 -1.843

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00261.37351.37352.22002.22002.13872.13873.26073.2607
H21.00262.11572.11573.18593.18592.50912.50914.19294.1929
C31.37352.11572.24691.37502.25711.07613.26102.18663.2997
C41.37352.11572.24692.25711.37503.26101.07613.29972.1866
C52.22003.18591.37502.25711.42582.23473.31771.07692.2439
C62.22003.18592.25711.37501.42583.31772.23472.24391.0769
H72.13872.50911.07613.26102.23473.31774.21732.71244.3382
H82.13872.50913.26101.07613.31772.23474.21734.33822.7124
H93.26074.19292.18663.29971.07692.24392.71244.33822.7179
H103.26074.19293.29972.18662.24391.07694.33822.71242.7179

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.747 N1 C3 H7 121.160
N1 C4 C6 107.747 N1 C4 H8 121.160
H2 N1 C3 125.120 H2 N1 C4 125.120
C3 N1 C4 109.761 C3 C5 C6 107.372
C3 C5 H9 125.762 C4 C6 C5 107.372
C4 C6 H10 125.762 C5 C3 H7 131.093
C5 C6 H10 126.865 C6 C4 H8 131.093
C6 C5 H9 126.865
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability