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All results from a given calculation for C3H5 (Allyl radical)

using model chemistry: MP4=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP4=FULL/STO-3G
 hartrees
Energy at 0K-115.226805
Energy at 298.15K-115.230900
HF Energy-115.052153
Nuclear repulsion energy64.041361
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 MP4=FULL/STO-3G
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 3546 3546        
2 A1 3437 3437        
3 A1 3391 3391        
4 A1 1655 1655        
5 A1 1361 1361        
6 A1 1101 1101        
7 A1 438 438        
8 A2 772 772        
9 A2 637 637        
10 B1 1108 1108        
11 B1 778 778        
12 B1 572 572        
13 B2 3545 3545        
14 B2 3385 3385        
15 B2 1602 1602        
16 B2 1503 1503        
17 B2 1118 1118        
18 B2 990 990        

Unscaled Zero Point Vibrational Energy (zpe) 15470.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15470.3 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 MP4=FULL/STO-3G
ABC
1.76146 0.33755 0.28327

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.454
H2 0.000 0.000 1.562
C3 0.000 1.239 -0.200
C4 0.000 -1.239 -0.200
H5 0.000 2.190 0.360
H6 0.000 -2.190 0.360
H7 0.000 1.303 -1.302
H8 0.000 -1.303 -1.302

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10751.40131.40132.19162.19162.18712.1871
H21.10752.15392.15392.49762.49763.14653.1465
C31.40132.15392.47831.10313.47411.10392.7712
C41.40132.15392.47833.47411.10312.77121.1039
H52.19162.49761.10313.47414.37911.88353.8682
H62.19162.49763.47411.10314.37913.86821.8835
H72.18713.14651.10392.77121.88353.86822.6069
H82.18713.14652.77121.10393.86821.88352.6069

picture of Allyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 121.657 C1 C3 H7 121.170
C1 C4 H6 121.657 C1 C4 H8 121.170
H2 C1 C3 117.833 H2 C1 C4 117.833
C3 C1 C4 124.334 H5 C3 H7 117.173
H6 C4 H8 117.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability