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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-209.501708
Energy at 298.15K-209.507702
HF Energy-208.806361
Nuclear repulsion energy160.867573
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 MP3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3734 3505 70.94      
2 A1 3325 3121 0.15      
3 A1 3304 3101 4.40      
4 A1 1562 1466 10.31      
5 A1 1477 1386 6.94      
6 A1 1207 1133 3.15      
7 A1 1132 1062 11.97      
8 A1 1071 1006 26.67      
9 A1 915 859 0.32      
10 A2 808 759 0.00      
11 A2 674 633 0.00      
12 A2 602 565 0.00      
13 B1 801 752 10.16      
14 B1 731 687 140.65      
15 B1 640 600 1.03      
16 B1 442 415 87.39      
17 B2 3320 3116 6.28      
18 B2 3293 3090 2.48      
19 B2 1638 1538 4.15      
20 B2 1532 1438 15.66      
21 B2 1352 1269 1.47      
22 B2 1204 1130 1.89      
23 B2 1107 1039 20.49      
24 B2 893 838 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 18381.2 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 17252.6 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 MP3/6-31G*
ABC
0.30518 0.30091 0.15152

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

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 2.128
C3 0.000 1.124 0.331
C4 0.000 -1.124 0.331
C5 0.000 0.713 -0.982
C6 0.000 -0.713 -0.982
H7 0.000 2.113 0.765
H8 0.000 -2.113 0.765
H9 0.000 1.362 -1.848
H10 0.000 -1.362 -1.848

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00711.37371.37372.22112.22112.14302.14303.26653.2665
H21.00712.11972.11973.19133.19132.51472.51474.20294.2029
C31.37372.11972.24731.37602.25781.08073.26592.19183.3051
C41.37372.11972.24732.25781.37603.26591.08073.30512.1918
C52.22113.19131.37602.25781.42582.23953.32291.08172.2478
C62.22113.19132.25781.37601.42583.32292.23952.24781.0817
H72.14302.51471.08073.26592.23953.32294.22652.71924.3478
H82.14302.51473.26591.08073.32292.23954.22654.34782.7192
H93.26654.20292.19183.30511.08172.24782.71924.34782.7231
H103.26654.20293.30512.19182.24781.08174.34782.71922.7231

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.750 N1 C3 H7 121.185
N1 C4 C6 107.750 N1 C4 H8 121.185
H2 N1 C3 125.119 H2 N1 C4 125.119
C3 N1 C4 109.763 C3 C5 C6 107.368
C3 C5 H9 125.783 C4 C6 C5 107.368
C4 C6 H10 125.783 C5 C3 H7 131.064
C5 C6 H10 126.848 C6 C4 H8 131.064
C6 C5 H9 126.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability