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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-209.531610
Energy at 298.15K 
HF Energy-208.806253
Nuclear repulsion energy160.834329
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 CCSD=FULL/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 3698 3513 65.48      
2 A1 3299 3133 0.16      
3 A1 3276 3112 5.47      
4 A1 1553 1475 10.09      
5 A1 1473 1399 5.70      
6 A1 1200 1140 3.09      
7 A1 1125 1068 11.25      
8 A1 1064 1010 26.70      
9 A1 911 865 0.31      
10 A2 822 781 0.00      
11 A2 685 651 0.00      
12 A2 610 580 0.00      
13 B1 812 771 6.10      
14 B1 737 700 137.18      
15 B1 639 607 0.31      
16 B1 435 414 90.82      
17 B2 3293 3128 7.51      
18 B2 3265 3101 2.69      
19 B2 1632 1550 5.04      
20 B2 1517 1440 13.83      
21 B2 1343 1275 1.44      
22 B2 1197 1137 1.85      
23 B2 1102 1047 19.12      
24 B2 888 844 1.41      

Unscaled Zero Point Vibrational Energy (zpe) 18287.2 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 17369.2 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 CCSD=FULL/6-31G*
ABC
0.30481 0.30114 0.15148

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/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 2.130
C3 0.000 1.124 0.330
C4 0.000 -1.124 0.330
C5 0.000 0.713 -0.981
C6 0.000 -0.713 -0.981
H7 0.000 2.115 0.766
H8 0.000 -2.115 0.766
H9 0.000 1.362 -1.849
H10 0.000 -1.362 -1.849

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00921.37451.37452.22032.22032.14482.14483.26753.2675
H21.00922.12232.12233.19253.19252.51732.51734.20604.2060
C31.37452.12232.24831.37442.25771.08243.26842.19203.3063
C41.37452.12232.24832.25771.37443.26841.08243.30632.1920
C52.22033.19251.37442.25771.42692.23973.32451.08332.2498
C62.22033.19252.25771.37441.42693.32452.23972.24981.0833
H72.14482.51731.08243.26842.23973.32454.23032.72054.3506
H82.14482.51733.26841.08243.32452.23974.23034.35062.7205
H93.26754.20602.19203.30631.08332.24982.72054.35062.7249
H103.26754.20603.30632.19202.24981.08334.35062.72052.7249

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.741 N1 C3 H7 121.160
N1 C4 C6 107.741 N1 C4 H8 121.160
H2 N1 C3 125.128 H2 N1 C4 125.128
C3 N1 C4 109.744 C3 C5 C6 107.387
C3 C5 H9 125.806 C4 C6 C5 107.387
C4 C6 H10 125.806 C5 C3 H7 131.099
C5 C6 H10 126.806 C6 C4 H8 131.099
C6 C5 H9 126.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability