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

using model chemistry: CISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at CISD/cc-pVDZ
 hartrees
Energy at 0K-116.849928
Energy at 298.15K-116.854246
HF Energy-116.478901
Nuclear repulsion energy64.650993
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 CISD/cc-pVDZ
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 3346 3085 14.50      
2 A1 3250 2996 2.10      
3 A1 3238 2984 13.03      
4 A1 1562 1440 2.10      
5 A1 1304 1202 0.97      
6 A1 1065 982 0.01      
7 A1 434 401 0.13      
8 A2 797 734 0.00      
9 A2 576 531 0.00      
10 B1 1040 959 19.80      
11 B1 813 749 65.16      
12 B1 549 506 11.95      
13 B2 3343 3082 4.36      
14 B2 3234 2981 8.46      
15 B2 1542 1421 0.09      
16 B2 1446 1333 5.23      
17 B2 1193 1099 0.08      
18 B2 954 879 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 14842.4 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 13681.7 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 CISD/cc-pVDZ
ABC
1.80055 0.34318 0.28824

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.449
H2 0.000 0.000 1.542
C3 0.000 1.230 -0.198
C4 0.000 -1.230 -0.198
H5 0.000 2.165 0.361
H6 0.000 -2.165 0.361
H7 0.000 1.290 -1.288
H8 0.000 -1.290 -1.288

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09351.39011.39012.16662.16662.16362.1636
H21.09352.13152.13152.46632.46633.11053.1105
C31.39012.13152.46031.08903.44061.09112.7459
C41.39012.13152.46033.44061.08902.74591.0911
H52.16662.46631.08903.44064.32951.86593.8282
H62.16662.46633.44061.08904.32953.82821.8659
H72.16363.11051.09112.74591.86593.82822.5808
H82.16363.11052.74591.09113.82821.86592.5808

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 121.368 C1 C3 H7 120.915
C1 C4 H6 121.368 C1 C4 H8 120.915
H2 C1 C3 117.752 H2 C1 C4 117.752
C3 C1 C4 124.497 H5 C3 H7 117.716
H6 C4 H8 117.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability