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

using model chemistry: MP2=FULL/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 MP2=FULL/SDD
 hartrees
Energy at 0K-116.696039
Energy at 298.15K-116.700263
HF Energy-116.439190
Nuclear repulsion energy64.043474
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 MP2=FULL/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 3291 3103 35.51      
2 A1 3181 2998 5.81      
3 A1 3163 2981 19.44      
4 A1 1560 1470 5.30      
5 A1 1294 1220 0.07      
6 A1 1050 990 0.55      
7 A1 432 407 0.00      
8 A2 740 698 0.00      
9 A2 560 528 0.00      
10 B1 1017 959 45.44      
11 B1 753 710 117.94      
12 B1 539 509 23.06      
13 B2 3284 3095 7.82      
14 B2 3161 2980 21.11      
15 B2 1530 1443 3.08      
16 B2 1445 1363 6.64      
17 B2 1158 1091 0.05      
18 B2 949 895 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 14553.0 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 13719.1 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 MP2=FULL/SDD
ABC
1.78915 0.33399 0.28145

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.451
H2 0.000 0.000 1.547
C3 0.000 1.248 -0.200
C4 0.000 -1.248 -0.200
H5 0.000 2.183 0.362
H6 0.000 -2.183 0.362
H7 0.000 1.317 -1.290
H8 0.000 -1.317 -1.290

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09631.40711.40712.18502.18502.18272.1827
H21.09632.14652.14652.48402.48403.12793.1279
C31.40712.14652.49571.09103.47681.09302.7868
C41.40712.14652.49573.47681.09102.78681.0930
H52.18502.48401.09103.47684.36651.86603.8703
H62.18502.48403.47681.09104.36653.87031.8660
H72.18273.12791.09302.78681.86603.87032.6330
H82.18273.12792.78681.09303.87031.86602.6330

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 121.499 C1 C3 H7 121.121
C1 C4 H6 121.499 C1 C4 H8 121.121
H2 C1 C3 117.520 H2 C1 C4 117.520
C3 C1 C4 124.960 H5 C3 H7 117.380
H6 C4 H8 117.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability