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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-209.627237
Energy at 298.15K 
HF Energy-208.876627
Nuclear repulsion energy161.257752
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 MP3/TZVP
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 3765 3521 78.41      
2 A1 3340 3124 0.16      
3 A1 3319 3104 2.93      
4 A1 1545 1445 14.18      
5 A1 1451 1357 5.70      
6 A1 1194 1117 3.16      
7 A1 1116 1044 14.63      
8 A1 1057 988 28.53      
9 A1 912 853 0.40      
10 A2 696 651 0.00      
11 A2 586 548 0.00      
12 A2 282i 264i 0.00      
13 B1 729 682 23.37      
14 B1 676 632 170.82      
15 B1 586 548 1.97      
16 B1 151 142 52.04      
17 B2 3333 3117 3.82      
18 B2 3308 3093 2.41      
19 B2 1617 1512 2.05      
20 B2 1505 1408 13.26      
21 B2 1345 1258 0.92      
22 B2 1189 1112 1.42      
23 B2 1093 1022 22.31      
24 B2 892 834 1.84      

Unscaled Zero Point Vibrational Energy (zpe) 17561.9 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 16423.9 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 MP3/TZVP
ABC
0.30644 0.30234 0.15219

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.120
H2 0.000 0.000 2.121
C3 0.000 1.121 0.330
C4 0.000 -1.121 0.330
C5 0.000 0.712 -0.980
C6 0.000 -0.712 -0.980
H7 0.000 2.106 0.762
H8 0.000 -2.106 0.762
H9 0.000 1.358 -1.840
H10 0.000 -1.358 -1.840

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00121.37131.37132.21742.21742.13572.13573.25663.2566
H21.00122.11282.11283.18183.18182.50592.50594.18744.1874
C31.37132.11282.24261.37272.25381.07483.25562.18333.2952
C41.37132.11282.24262.25381.37273.25561.07483.29522.1833
C52.21743.18181.37272.25381.42482.23073.31301.07552.2421
C62.21743.18182.25381.37271.42483.31302.23072.24211.0755
H72.13572.50591.07483.25562.23073.31304.21102.70754.3323
H82.13572.50593.25561.07483.31302.23074.21104.33232.7075
H93.25664.18742.18333.29521.07552.24212.70754.33232.7163
H103.25664.18743.29522.18332.24211.07554.33232.70752.7163

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.816 N1 C3 H7 121.161
N1 C4 C6 107.816 N1 C4 H8 121.161
H2 N1 C3 125.147 H2 N1 C4 125.147
C3 N1 C4 109.706 C3 C5 C6 107.331
C3 C5 H9 125.769 C4 C6 C5 107.331
C4 C6 H10 125.769 C5 C3 H7 131.024
C5 C6 H10 126.899 C6 C4 H8 131.024
C6 C5 H9 126.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability