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

using model chemistry: MP2/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-117.005901
Energy at 298.15K-117.010275
HF Energy-116.518781
Nuclear repulsion energy65.552942
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/cc-pVQZ
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 3319 3148 6.35      
2 A1 3212 3046 0.44      
3 A1 3207 3042 9.19      
4 A1 1553 1473 3.46      
5 A1 1315 1247 1.53      
6 A1 1071 1015 0.01      
7 A1 434 412 0.25      
8 A2 847 803 0.00      
9 A2 599 568 0.00      
10 B1 1078 1022 21.31      
11 B1 872 827 78.43      
12 B1 564 535 17.57      
13 B2 3317 3146 1.83      
14 B2 3203 3037 6.03      
15 B2 1514 1436 0.84      
16 B2 1427 1354 8.43      
17 B2 1133 1075 0.29      
18 B2 947 898 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 14804.8 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 14040.9 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 MP2/cc-pVQZ
ABC
1.84080 0.35404 0.29693

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.444
H2 0.000 0.000 1.526
C3 0.000 1.211 -0.196
C4 0.000 -1.211 -0.196
H5 0.000 2.137 0.353
H6 0.000 -2.137 0.353
H7 0.000 1.262 -1.274
H8 0.000 -1.262 -1.274

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08211.36991.36992.13892.13892.13172.1317
H21.08212.10562.10562.43812.43813.07133.0713
C31.36992.10562.42211.07633.39271.07872.6977
C41.36992.10562.42213.39271.07632.69771.0787
H52.13892.43811.07633.39274.27401.84673.7681
H62.13892.43813.39271.07634.27403.76811.8467
H72.13173.07131.07872.69771.84673.76812.5241
H82.13173.07132.69771.07873.76811.84672.5241

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 121.477 C1 C3 H7 120.579
C1 C4 H6 121.477 C1 C4 H8 120.579
H2 C1 C3 117.869 H2 C1 C4 117.869
C3 C1 C4 124.261 H5 C3 H7 117.945
H6 C4 H8 117.945
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability