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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: CCD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-209.584985
Energy at 298.15K 
HF Energy-208.836444
Nuclear repulsion energy159.774101
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/aug-cc-pVDZ
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 3713 3581 74.40      
2 A1 3298 3181 0.12      
3 A1 3275 3159 2.70      
4 A1 1520 1466 16.19      
5 A1 1440 1389 3.05      
6 A1 1180 1138 3.75      
7 A1 1095 1056 10.24      
8 A1 1039 1002 28.30      
9 A1 896 864 0.39      
10 A2 841 812 0.00      
11 A2 703 678 0.00      
12 A2 614 592 0.00      
13 B1 829 799 0.03      
14 B1 737 711 166.23      
15 B1 634 612 0.05      
16 B1 487 470 70.62      
17 B2 3292 3175 3.23      
18 B2 3263 3148 2.38      
19 B2 1591 1535 0.61      
20 B2 1494 1441 11.70      
21 B2 1311 1265 1.21      
22 B2 1165 1123 1.68      
23 B2 1072 1034 18.38      
24 B2 873 842 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 18181.7 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 17536.3 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/aug-cc-pVDZ
ABC
0.30099 0.29671 0.14942

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.127
H2 0.000 0.000 2.136
C3 0.000 1.131 0.336
C4 0.000 -1.131 0.336
C5 0.000 0.719 -0.990
C6 0.000 -0.719 -0.990
H7 0.000 2.127 0.774
H8 0.000 -2.127 0.774
H9 0.000 1.375 -1.860
H10 0.000 -1.375 -1.860

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00891.38021.38022.23622.23622.15572.15573.28843.2884
H21.00892.12602.12603.20803.20802.52542.52544.22604.2260
C31.38022.12602.26131.38852.27571.08823.28662.20933.3313
C41.38022.12602.26132.27571.38853.28661.08823.33132.2093
C52.23623.20801.38852.27571.43772.25723.34811.08932.2669
C62.23623.20802.27571.38851.43773.34812.25722.26691.0893
H72.15572.52541.08823.28662.25723.34814.25322.73944.3815
H82.15572.52543.28661.08823.34812.25724.25324.38152.7394
H93.28844.22602.20933.33131.08932.26692.73944.38152.7492
H103.28844.22603.33132.20932.26691.08934.38152.73942.7492

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 121.249
N1 C4 C6 107.741 N1 C4 H8 121.249
H2 N1 C3 124.994 H2 N1 C4 124.994
C3 N1 C4 110.011 C3 C5 C6 107.253
C3 C5 H9 125.730 C4 C6 C5 107.253
C4 C6 H10 125.730 C5 C3 H7 131.010
C5 C6 H10 127.016 C6 C4 H8 131.010
C6 C5 H9 127.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability