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

using model chemistry: MP2/aug-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/aug-cc-pVQZ
 hartrees
Energy at 0K-117.009412
Energy at 298.15K-117.013787
HF Energy-116.519082
Nuclear repulsion energy65.537321
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/aug-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 3316 3149 6.06      
2 A1 3209 3047 0.64      
3 A1 3204 3043 8.45      
4 A1 1551 1473 3.21      
5 A1 1314 1248 1.67      
6 A1 1070 1016 0.00      
7 A1 434 412 0.25      
8 A2 849 806 0.00      
9 A2 599 569 0.00      
10 B1 1080 1025 22.04      
11 B1 877 833 79.26      
12 B1 563 535 18.81      
13 B2 3315 3148 1.82      
14 B2 3199 3039 6.10      
15 B2 1512 1436 0.90      
16 B2 1429 1357 7.94      
17 B2 1133 1076 0.18      
18 B2 946 899 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 14800.1 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 14055.6 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/aug-cc-pVQZ
ABC
1.83870 0.35399 0.29684

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.445
H2 0.000 0.000 1.527
C3 0.000 1.211 -0.196
C4 0.000 -1.211 -0.196
H5 0.000 2.138 0.353
H6 0.000 -2.138 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
C11.08241.37031.37032.13962.13962.13222.1322
H21.08242.10642.10642.43912.43913.07233.0723
C31.37032.10642.42231.07673.39341.07912.6974
C41.37032.10642.42233.39341.07672.69741.0791
H52.13962.43911.07673.39344.27521.84753.7683
H62.13962.43913.39341.07674.27523.76831.8475
H72.13223.07231.07912.69741.84753.76832.5231
H82.13223.07232.69741.07913.76831.84752.5231

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 121.479 C1 C3 H7 120.565
C1 C4 H6 121.479 C1 C4 H8 120.565
H2 C1 C3 117.888 H2 C1 C4 117.888
C3 C1 C4 124.225 H5 C3 H7 117.956
H6 C4 H8 117.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability