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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B2PLYP=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-210.092030
Energy at 298.15K 
HF Energy-209.782149
Nuclear repulsion energy161.349460
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 B2PLYP=FULL/6-311+G(3df,2p)
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 3699 3699 72.52      
2 A1 3288 3288 0.02      
3 A1 3268 3268 2.11      
4 A1 1508 1508 9.61      
5 A1 1425 1425 3.54      
6 A1 1175 1175 1.96      
7 A1 1101 1101 7.46      
8 A1 1041 1041 30.15      
9 A1 902 902 0.24      
10 A2 891 891 0.00      
11 A2 700 700 0.00      
12 A2 629 629 0.00      
13 B1 849 849 0.95      
14 B1 737 737 162.13      
15 B1 645 645 0.19      
16 B1 492 492 72.04      
17 B2 3282 3282 1.58      
18 B2 3257 3257 2.29      
19 B2 1574 1574 1.68      
20 B2 1456 1456 7.32      
21 B2 1323 1323 0.99      
22 B2 1167 1167 2.27      
23 B2 1073 1073 25.10      
24 B2 876 876 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 18177.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18177.8 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 B2PLYP=FULL/6-311+G(3df,2p)
ABC
0.30703 0.30254 0.15239

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.118
H2 0.000 0.000 2.121
C3 0.000 1.121 0.331
C4 0.000 -1.121 0.331
C5 0.000 0.710 -0.980
C6 0.000 -0.710 -0.980
H7 0.000 2.105 0.763
H8 0.000 -2.105 0.763
H9 0.000 1.356 -1.840
H10 0.000 -1.356 -1.840

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00311.36961.36962.21482.21482.13472.13473.25373.2537
H21.00312.11182.11183.18133.18132.50472.50474.18644.1864
C31.36962.11182.24251.37452.25231.07463.25512.18383.2940
C41.36962.11182.24252.25231.37453.25511.07463.29402.1838
C52.21483.18131.37452.25231.41982.23323.31131.07542.2376
C62.21483.18132.25231.37451.41983.31132.23322.23761.0754
H72.13472.50471.07463.25512.23323.31134.21012.70914.3308
H82.13472.50473.25511.07463.31132.23324.21014.33082.7091
H93.25374.18642.18383.29401.07542.23762.70914.33082.7119
H103.25374.18643.29402.18382.23761.07544.33082.70912.7119

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.634 N1 C3 H7 121.233
N1 C4 C6 107.634 N1 C4 H8 121.233
H2 N1 C3 125.048 H2 N1 C4 125.048
C3 N1 C4 109.904 C3 C5 C6 107.414
C3 C5 H9 125.663 C4 C6 C5 107.414
C4 C6 H10 125.663 C5 C3 H7 131.133
C5 C6 H10 126.923 C6 C4 H8 131.133
C6 C5 H9 126.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability