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

using model chemistry: CCD/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 CCD/LANL2DZ
 hartrees
Energy at 0K-116.694428
Energy at 298.15K-116.698606
HF Energy-116.438140
Nuclear repulsion energy63.812180
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 CCD/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 3231 3047 42.03      
2 A1 3132 2953 5.45      
3 A1 3113 2936 20.87      
4 A1 1537 1449 4.80      
5 A1 1276 1203 0.07      
6 A1 1035 976 0.47      
7 A1 426 402 0.00      
8 A2 729 688 0.00      
9 A2 548 517 0.00      
10 B1 990 933 40.27      
11 B1 743 700 107.25      
12 B1 528 498 21.20      
13 B2 3223 3039 9.89      
14 B2 3111 2934 20.69      
15 B2 1508 1422 2.70      
16 B2 1428 1347 6.15      
17 B2 1150 1085 0.04      
18 B2 936 882 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 14320.6 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 13505.8 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 CCD/LANL2DZ
ABC
1.77573 0.33170 0.27949

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.452
H2 0.000 0.000 1.553
C3 0.000 1.252 -0.200
C4 0.000 -1.252 -0.200
H5 0.000 2.191 0.364
H6 0.000 -2.191 0.364
H7 0.000 1.323 -1.296
H8 0.000 -1.323 -1.296

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10031.41171.41172.19322.19322.19202.1920
H21.10032.15392.15392.49312.49313.14043.1404
C31.41172.15392.50381.09583.48921.09782.7981
C41.41172.15392.50383.48921.09582.79811.0978
H52.19322.49311.09583.48924.38291.87313.8864
H62.19322.49313.48921.09584.38293.88641.8731
H72.19203.14041.09782.79811.87313.88642.6456
H82.19203.14042.79811.09783.88641.87312.6456

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 121.498 C1 C3 H7 121.229
C1 C4 H6 121.498 C1 C4 H8 121.229
H2 C1 C3 117.525 H2 C1 C4 117.525
C3 C1 C4 124.949 H5 C3 H7 117.273
H6 C4 H8 117.273
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability