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

using model chemistry: QCISD(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 QCISD(T)/LANL2DZ
 hartrees
Energy at 0K-116.709985
Energy at 298.15K-116.714025
HF Energy-116.437316
Nuclear repulsion energy63.447883
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 QCISD(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 3201 3052        
2 A1 3098 2955        
3 A1 3082 2939        
4 A1 1519 1449        
5 A1 1249 1191        
6 A1 1008 962        
7 A1 416 396        
8 A2 671 640        
9 A2 512 488        
10 B1 932 888        
11 B1 673 642        
12 B1 495 472        
13 B2 3193 3045        
14 B2 3080 2938        
15 B2 1501 1432        
16 B2 1416 1350        
17 B2 1171 1117        
18 B2 922 880        

Unscaled Zero Point Vibrational Energy (zpe) 14069.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 13417.9 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 QCISD(T)/LANL2DZ
ABC
1.75370 0.32751 0.27597

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(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 1.261 -0.202
C4 0.000 -1.261 -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
C11.10241.42291.42292.20432.20432.20252.2025
H21.10242.16672.16672.50712.50713.15303.1530
C31.42292.16672.52131.09763.50851.09962.8115
C41.42292.16672.52133.50851.09762.81151.0996
H52.20432.50711.09763.50854.40451.87773.9015
H62.20432.50713.50851.09764.40453.90151.8777
H72.20253.15301.09962.81151.87773.90152.6556
H82.20253.15302.81151.09963.90151.87772.6556

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 121.453 C1 C3 H7 121.123
C1 C4 H6 121.453 C1 C4 H8 121.123
H2 C1 C3 117.624 H2 C1 C4 117.624
C3 C1 C4 124.752 H5 C3 H7 117.424
H6 C4 H8 117.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability