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All results from a given calculation for C4H5N (3H-pyrrole)

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-209.704753
Energy at 298.15K-209.710774
HF Energy-208.867861
Nuclear repulsion energy158.865828
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 MP2/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3290 3130 4.99      
2 A' 3264 3106 2.58      
3 A' 3229 3072 7.37      
4 A' 3078 2929 1.12      
5 A' 1594 1516 9.03      
6 A' 1540 1466 5.87      
7 A' 1407 1339 17.57      
8 A' 1361 1295 19.84      
9 A' 1302 1239 5.02      
10 A' 1265 1204 9.76      
11 A' 1137 1082 2.79      
12 A' 1040 989 3.76      
13 A' 980 933 16.45      
14 A' 959 913 7.68      
15 A' 849 808 0.73      
16 A' 839 799 3.00      
17 A" 3126 2974 0.48      
18 A" 1122 1068 0.00      
19 A" 956 909 8.16      
20 A" 935 890 14.71      
21 A" 774 736 0.55      
22 A" 712 678 33.22      
23 A" 535 509 12.92      
24 A" 334 318 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 17813.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16949.7 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 MP2/Def2TZVPP
ABC
0.29902 0.28697 0.15052

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.136 0.552 0.000
C2 0.000 1.158 0.000
C3 -1.183 0.232 0.000
C4 -0.482 -1.091 0.000
C5 0.840 -0.844 0.000
H6 -0.072 2.238 0.000
H7 -1.812 0.384 0.880
H8 -1.812 0.384 -0.880
H9 -0.967 -2.054 0.000
H10 1.656 -1.548 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.28762.34092.30691.42692.07443.08113.08113.34872.1637
C21.28761.50202.30032.17061.08282.15762.15763.35393.1726
C32.34091.50201.49682.29072.29321.09251.09252.29573.3507
C42.30692.30031.49681.34563.35472.17212.17211.07742.1871
C51.42692.17062.29071.34563.21403.05173.05172.17461.0782
H62.07441.08282.29323.35473.21402.69032.69034.38424.1622
H73.08112.15761.09252.17213.05172.69031.76012.72614.0663
H83.08112.15761.09252.17213.05172.69031.76012.72614.0663
H93.34873.35392.29571.07742.17464.38422.72612.72612.6713
H102.16373.17263.35072.18711.07824.16224.06634.06632.6713

picture of 3H-pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 113.878 N1 C2 H6 121.880
N1 C5 C4 112.592 N1 C5 H10 118.811
C2 N1 C5 106.072 C2 C3 C4 100.183
C2 C3 H7 111.551 C2 C3 H8 111.551
C3 C2 H6 124.242 C3 C4 C5 107.275
C3 C4 H9 125.413 C4 C3 H7 113.116
C4 C3 H8 113.116 C4 C5 H10 128.597
C5 C4 H9 127.312 H7 C3 H8 107.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability