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

using model chemistry: CCSD(T)/LANL2DZ

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(T)/LANL2DZ
 hartrees
Energy at 0K-116.709764
Energy at 298.15K-116.713806
HF Energy-116.437333
Nuclear repulsion energy63.456250
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(T)/LANL2DZ
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 3200 3018        
2 A1 3098 2922        
3 A1 3082 2906        
4 A1 1520 1433        
5 A1 1250 1179        
6 A1 1009 952        
7 A1 416 392        
8 A2 672 634        
9 A2 512 483        
10 B1 932 879        
11 B1 675 637        
12 B1 495 467        
13 B2 3193 3011        
14 B2 3080 2905        
15 B2 1501 1416        
16 B2 1416 1335        
17 B2 1169 1103        
18 B2 922 870        

Unscaled Zero Point Vibrational Energy (zpe) 14071.2 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 13270.5 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 CCSD(T)/LANL2DZ
ABC
1.75401 0.32763 0.27606

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.457
H2 0.000 0.000 1.560
C3 0.000 1.260 -0.202
C4 0.000 -1.260 -0.202
H5 0.000 2.202 0.362
H6 0.000 -2.202 0.362
H7 0.000 1.328 -1.300
H8 0.000 -1.328 -1.300

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10241.42261.42262.20412.20412.20242.2024
H21.10242.16642.16642.50682.50683.15283.1528
C31.42262.16642.52081.09763.50811.09972.8112
C41.42262.16642.52083.50811.09762.81121.0997
H52.20412.50681.09763.50814.40411.87763.9012
H62.20412.50683.50811.09764.40413.90121.8776
H72.20243.15281.09972.81121.87763.90122.6553
H82.20243.15282.81121.09973.90121.87762.6553

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 121.455 C1 C3 H7 121.130
C1 C4 H6 121.455 C1 C4 H8 121.130
H2 C1 C3 117.625 H2 C1 C4 117.625
C3 C1 C4 124.751 H5 C3 H7 117.415
H6 C4 H8 117.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability