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

using model chemistry: MP2=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-208.873692
Energy at 298.15K-208.878451
HF Energy-208.213384
Nuclear repulsion energy150.633646
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=FULL/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 3310 3146 0.29      
2 A1 3268 3106 0.53      
3 A1 1597 1518 17.48      
4 A1 1466 1394 27.10      
5 A1 1266 1203 8.08      
6 A1 1114 1059 35.75      
7 A1 1066 1013 8.34      
8 A1 887 843 12.04      
9 A2 928 882 0.00      
10 A2 865 822 0.00      
11 A2 511 486 0.00      
12 B1 913 868 0.01      
13 B1 723 687 54.16      
14 B1 572 543 27.12      
15 B2 70546 67047 0.00      
16 B2 3287 3124 50.59      
17 B2 3260 3098 70.32      
18 B2 1318 1253 113.67      
19 B2 1294 1230 27.59      
20 B2 1028 977 0.55      
21 B2 883 839 5.75      

Unscaled Zero Point Vibrational Energy (zpe) 50051.4 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 47568.8 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=FULL/cc-pVDZ
ABC
0.33223 0.29292 0.15567

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.251
C2 0.000 1.056 0.424
C3 0.000 -1.056 0.424
C4 0.000 0.692 -0.984
C5 0.000 -0.692 -0.984
H6 0.000 2.075 0.821
H7 0.000 -2.075 0.821
H8 0.000 1.371 -1.836
H9 0.000 -1.371 -1.836

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34141.34142.33952.33952.11862.11863.37753.3775
C21.34142.11271.45442.24491.09323.15612.28173.3168
C31.34142.11272.24491.45443.15611.09323.31682.2817
C42.33951.45442.24491.38412.27413.30371.08962.2324
C52.33952.24491.45441.38413.30372.27412.23241.0896
H62.11861.09323.15612.27413.30374.14942.74884.3517
H72.11863.15611.09323.30372.27414.14944.35172.7488
H83.37752.28173.31681.08962.23242.74884.35172.7430
H93.37753.31682.28172.23241.08964.35172.74882.7430

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 113.543 N1 C2 H6 120.630
N1 C3 C5 113.543 N1 C3 H7 120.630
C2 N1 C3 103.903 C2 C4 C5 104.505
C2 C4 H8 126.917 C3 C5 C4 104.505
C3 C5 H9 126.917 C4 C2 H6 125.827
C4 C5 H9 128.578 C5 C3 H7 125.827
C5 C4 H8 128.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability