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

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-208.990442
Energy at 298.15K-208.995147
HF Energy-208.235307
Nuclear repulsion energy151.389247
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/6-311G*
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 3294 3120 0.84      
2 A1 3259 3086 0.40      
3 A1 1597 1513 16.24      
4 A1 1460 1382 28.28      
5 A1 1271 1203 12.22      
6 A1 1118 1059 43.27      
7 A1 1084 1027 5.32      
8 A1 896 849 11.70      
9 A2 887 840 0.00      
10 A2 821 777 0.00      
11 A2 496 469 0.00      
12 B1 891 844 0.51      
13 B1 705 668 73.04      
14 B1 565 535 32.00      
15 B2 22516 21325 0.00      
16 B2 3271 3098 69.59      
17 B2 3251 3079 81.65      
18 B2 1327 1257 121.60      
19 B2 1306 1237 33.46      
20 B2 1035 980 0.96      
21 B2 892 845 6.11      

Unscaled Zero Point Vibrational Energy (zpe) 25968.9 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 24595.2 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/6-311G*
ABC
0.33521 0.29604 0.15720

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.243
C2 0.000 1.053 0.422
C3 0.000 -1.053 0.422
C4 0.000 0.688 -0.979
C5 0.000 -0.688 -0.979
H6 0.000 2.063 0.820
H7 0.000 -2.063 0.820
H8 0.000 1.361 -1.826
H9 0.000 -1.361 -1.826

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.33531.33532.32622.32622.10532.10533.35713.3571
C21.33532.10671.44842.23521.08493.14122.26933.2989
C31.33532.10672.23521.44843.14121.08493.29892.2693
C42.32621.44842.23521.37572.26483.28691.08162.2167
C52.32622.23521.44841.37573.28692.26482.21671.0816
H62.10531.08493.14122.26483.28694.12502.73824.3270
H72.10533.14121.08493.28692.26484.12504.32702.7382
H83.35712.26933.29891.08162.21672.73824.32702.7214
H93.35713.29892.26932.21671.08164.32702.73822.7214

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 113.306 N1 C2 H6 120.540
N1 C3 C5 113.306 N1 C3 H7 120.540
C2 N1 C3 104.157 C2 C4 C5 104.616
C2 C4 H8 126.917 C3 C5 C4 104.616
C3 C5 H9 126.917 C4 C2 H6 126.154
C4 C5 H9 128.467 C5 C3 H7 126.154
C5 C4 H8 128.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability