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

using model chemistry: MP2=FULL/6-31G*

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/6-31G*
 hartrees
Energy at 0K-116.824292
Energy at 298.15K-116.828630
HF Energy-116.467480
Nuclear repulsion energy65.202727
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/6-31G*
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 3340 3147 13.27      
2 A1 3239 3052 1.48      
3 A1 3226 3040 13.31      
4 A1 1587 1495 2.61      
5 A1 1335 1258 0.72      
6 A1 1085 1022 0.11      
7 A1 443 417 0.06      
8 A2 808 761 0.00      
9 A2 592 558 0.00      
10 B1 1061 1000 21.92      
11 B1 827 779 86.75      
12 B1 564 531 13.28      
13 B2 3338 3146 4.06      
14 B2 3232 3045 8.13      
15 B2 1548 1458 0.29      
16 B2 1458 1374 7.89      
17 B2 1173 1105 0.65      
18 B2 970 914 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 14912.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 14050.2 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/6-31G*
ABC
1.82790 0.34971 0.29355

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.446
H2 0.000 0.000 1.534
C3 0.000 1.218 -0.196
C4 0.000 -1.218 -0.196
H5 0.000 2.151 0.351
H6 0.000 -2.151 0.351
H7 0.000 1.278 -1.279
H8 0.000 -1.278 -1.279

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08801.37661.37662.15332.15332.14642.1464
H21.08802.11562.11562.45492.45493.08933.0893
C31.37662.11562.43531.08213.41301.08422.7202
C41.37662.11562.43533.41301.08212.72021.0842
H52.15332.45491.08213.41304.30231.84913.7967
H62.15332.45493.41301.08214.30233.79671.8491
H72.14643.08931.08422.72021.84913.79672.5557
H82.14643.08932.72021.08423.79671.84912.5557

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 121.813 C1 C3 H7 120.982
C1 C4 H6 121.813 C1 C4 H8 120.982
H2 C1 C3 117.801 H2 C1 C4 117.801
C3 C1 C4 124.397 H5 C3 H7 117.205
H6 C4 H8 117.205
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability