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

using model chemistry: MP4/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP4/6-311+G(3df,2p)
 hartrees
Energy at 0K-117.018862
Energy at 298.15K-117.023203
HF Energy-116.508779
Nuclear repulsion energy65.142099
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 MP4/6-311+G(3df,2p)
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 3268 3084        
2 A1 3166 2988        
3 A1 3160 2983        
4 A1 1538 1452        
5 A1 1299 1226        
6 A1 1056 997        
7 A1 431 407        
8 A2 826 779        
9 A2 590 556        
10 B1 1059 1000        
11 B1 851 804        
12 B1 554 523        
13 B2 3264 3081        
14 B2 3158 2981        
15 B2 1505 1421        
16 B2 1419 1339        
17 B2 1145 1080        
18 B2 943 890        

Unscaled Zero Point Vibrational Energy (zpe) 14615.9 cm-1
Scaled (by 0.9438) Zero Point Vibrational Energy (zpe) 13794.5 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 MP4/6-311+G(3df,2p)
ABC
1.82466 0.34881 0.29283

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311+G(3df,2p)

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 1.533
C3 0.000 1.220 -0.197
C4 0.000 -1.220 -0.197
H5 0.000 2.150 0.356
H6 0.000 -2.150 0.356
H7 0.000 1.275 -1.279
H8 0.000 -1.275 -1.279

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08721.37931.37932.15172.15172.14542.1454
H21.08722.11722.11722.45132.45133.08813.0881
C31.37932.11722.44051.08133.41501.08382.7200
C41.37932.11722.44053.41501.08132.72001.0838
H52.15172.45131.08133.41504.29971.85413.7951
H62.15172.45133.41501.08134.29973.79511.8541
H72.14543.08811.08382.72001.85413.79512.5502
H82.14543.08812.72001.08383.79511.85412.5502

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 121.494 C1 C3 H7 120.688
C1 C4 H6 121.494 C1 C4 H8 120.688
H2 C1 C3 117.786 H2 C1 C4 117.786
C3 C1 C4 124.428 H5 C3 H7 117.818
H6 C4 H8 117.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability