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

using model chemistry: CCSD/SDD

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/SDD
 hartrees
Energy at 0K-116.705693
Energy at 298.15K-116.709774
HF Energy-116.438010
Nuclear repulsion energy63.554164
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/SDD
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 3212 3030 45.82      
2 A1 3115 2937 6.29      
3 A1 3096 2920 21.61      
4 A1 1526 1439 4.27      
5 A1 1256 1184 0.03      
6 A1 1016 958 0.42      
7 A1 420 396 0.00      
8 A2 689 649 0.00      
9 A2 519 489 0.00      
10 B1 943 890 41.50      
11 B1 695 656 99.01      
12 B1 502 474 19.15      
13 B2 3205 3022 11.31      
14 B2 3094 2918 19.95      
15 B2 1506 1420 3.02      
16 B2 1421 1340 3.78      
17 B2 1169 1103 0.17      
18 B2 928 876 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 14155.6 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 13350.1 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/SDD
ABC
1.76067 0.32858 0.27690

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.456
H2 0.000 0.000 1.557
C3 0.000 1.258 -0.202
C4 0.000 -1.258 -0.202
H5 0.000 2.199 0.362
H6 0.000 -2.199 0.362
H7 0.000 1.327 -1.298
H8 0.000 -1.327 -1.298

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10071.42011.42012.20082.20082.19962.1996
H21.10072.16262.16262.50252.50253.14823.1482
C31.42012.16262.51701.09643.50301.09832.8083
C41.42012.16262.51703.50301.09642.80831.0983
H52.20082.50251.09643.50304.39761.87503.8971
H62.20082.50253.50301.09644.39763.89711.8750
H72.19963.14821.09832.80831.87503.89712.6542
H82.19963.14822.80831.09833.89711.87502.6542

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 121.451 C1 C3 H7 121.182
C1 C4 H6 121.451 C1 C4 H8 121.182
H2 C1 C3 117.601 H2 C1 C4 117.601
C3 C1 C4 124.798 H5 C3 H7 117.367
H6 C4 H8 117.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability