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All results from a given calculation for C4H4N (pyrrolide radical)

using model chemistry: MP3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-208.966098
Energy at 298.15K 
HF Energy-208.259804
Nuclear repulsion energy151.622682
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/TZVP
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 3329 3113 0.84      
2 A1 3288 3075 0.57      
3 A1 1618 1513 9.60      
4 A1 1493 1396 27.19      
5 A1 1264 1182 8.22      
6 A1 1126 1053 39.72      
7 A1 1077 1007 0.34      
8 A1 912 853 8.84      
9 A2 794 743 0.00      
10 A2 615 575 0.00      
11 A2 61i 57i 0.00      
12 B1 784 733 6.04      
13 B1 664 621 68.82      
14 B1 553 517 22.59      
15 B2 7201 6735 438558.80      
16 B2 3304 3090 60.53      
17 B2 3280 3067 93.67      
18 B2 1347 1259 47.96      
19 B2 1325 1239 90.85      
20 B2 1037 970 2.53      
21 B2 903 845 2.70      

Unscaled Zero Point Vibrational Energy (zpe) 17926.1 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 16764.5 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/TZVP
ABC
0.33644 0.29646 0.15759

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.239
C2 0.000 1.056 0.424
C3 0.000 -1.056 0.424
C4 0.000 0.680 -0.980
C5 0.000 -0.680 -0.980
H6 0.000 2.061 0.818
H7 0.000 -2.061 0.818
H8 0.000 1.354 -1.820
H9 0.000 -1.354 -1.820

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33361.33362.32172.32172.10352.10353.34523.3452
C21.33362.11131.45422.23321.07933.14122.26373.2928
C31.33362.11132.23321.45423.14121.07933.29282.2637
C42.32171.45422.23321.36042.26703.27821.07622.2006
C52.32172.23321.45421.36043.27822.26702.20061.0762
H62.10351.07933.14122.26703.27824.12162.73034.3147
H72.10353.14121.07933.27822.26704.12164.31472.7303
H83.34522.26373.29281.07622.20062.73034.31472.7083
H93.34523.29282.26372.20061.07624.31472.73032.7083

picture of pyrrolide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 112.702 N1 C2 H6 120.969
N1 C3 C5 112.702 N1 C3 H7 120.969
C2 N1 C3 104.671 C2 C4 C5 104.963
C2 C4 H8 126.265 C3 C5 C4 104.963
C3 C5 H9 126.265 C4 C2 H6 126.330
C4 C5 H9 128.772 C5 C3 H7 126.330
C5 C4 H8 128.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability