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

using model chemistry: CCSD=FULL/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 CCSD=FULL/TZVP
 hartrees
Energy at 0K-209.066976
Energy at 298.15K-209.071073
HF Energy-208.259776
Nuclear repulsion energy151.067246
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 CCSD=FULL/TZVP
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 3299 3125 1.42      
2 A1 3259 3088 1.39      
3 A1 1597 1513 0.81      
4 A1 1479 1401 20.41      
5 A1 1222 1158 3.10      
6 A1 1114 1055 31.96      
7 A1 1058 1003 1.06      
8 A1 895 848 7.89      
9 A2 786 745 0.00      
10 A2 581 551 0.00      
11 A2 185 175 0.00      
12 B1 727 688 4.83      
13 B1 672 637 71.02      
14 B1 533 505 17.68      
15 B2 3278 3106 1.39      
16 B2 3255 3084 8.49      
17 B2 1500 1421 22.11      
18 B2 1327 1257 3.46      
19 B2 1164 1103 128.07      
20 B2 1031 977 1.83      
21 B2 835 791 6.01      

Unscaled Zero Point Vibrational Energy (zpe) 14897.5 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 14115.4 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 CCSD=FULL/TZVP
ABC
0.33431 0.29393 0.15641

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.246
C2 0.000 1.063 0.425
C3 0.000 -1.063 0.425
C4 0.000 0.678 -0.984
C5 0.000 -0.678 -0.984
H6 0.000 2.069 0.819
H7 0.000 -2.069 0.819
H8 0.000 1.351 -1.826
H9 0.000 -1.351 -1.826

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.34261.34262.33112.33112.11252.11253.35583.3558
C21.34262.12531.46152.23971.08023.15602.26983.3005
C31.34262.12532.23971.46153.15601.08023.30052.2698
C42.33111.46152.23971.35532.27733.28531.07762.1960
C52.33112.23971.46151.35533.28532.27732.19601.0776
H62.11251.08023.15602.27733.28534.13762.74044.3228
H72.11253.15601.08023.28532.27734.13764.32282.7404
H83.35582.26983.30051.07762.19602.74044.32282.7013
H93.35583.30052.26982.19601.07764.32282.74042.7013

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 112.401 N1 C2 H6 120.985
N1 C3 C5 112.401 N1 C3 H7 120.985
C2 N1 C3 104.651 C2 C4 C5 105.274
C2 C4 H8 126.079 C3 C5 C4 105.274
C3 C5 H9 126.079 C4 C2 H6 126.614
C4 C5 H9 128.647 C5 C3 H7 126.614
C5 C4 H8 128.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability