return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CHCHCH2 (methylallyl radical)

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-156.087052
Energy at 298.15K-156.093413
HF Energy-155.519434
Nuclear repulsion energy108.443005
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 CCD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3295 3152 9.90      
2 A' 3192 3054 25.56      
3 A' 3189 3051 8.69      
4 A' 3178 3040 6.99      
5 A' 3153 3016 13.18      
6 A' 3049 2917 33.67      
7 A' 1534 1467 7.07      
8 A' 1518 1452 0.92      
9 A' 1481 1417 11.31      
10 A' 1422 1361 2.00      
11 A' 1350 1292 0.23      
12 A' 1304 1248 2.57      
13 A' 1174 1123 0.18      
14 A' 1144 1095 0.25      
15 A' 995 952 2.67      
16 A' 894 855 4.10      
17 A' 509 487 0.62      
18 A' 288 276 0.18      
19 A" 3114 2979 21.41      
20 A" 1477 1413 5.09      
21 A" 1041 996 6.10      
22 A" 1022 977 18.13      
23 A" 792 758 42.13      
24 A" 754 721 0.00      
25 A" 559 535 4.07      
26 A" 225 215 1.56      
27 A" 149 143 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 20901.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19996.2 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 CCD/cc-pVDZ
ABC
1.24730 0.13221 0.12230

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.371 -1.416 0.000
C2 0.149 -0.750 0.000
C3 0.000 0.633 0.000
C4 -1.327 1.343 0.000
H5 2.315 -0.861 0.000
H6 1.423 -2.509 0.000
H7 -0.767 -1.359 0.000
H8 0.907 1.253 0.000
H9 -2.165 0.625 0.000
H10 -1.433 1.995 0.889
H11 -1.433 1.995 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.39202.46523.85901.09591.09382.13872.70974.08314.50404.5040
C21.39201.39062.56082.16952.17211.09982.14212.69173.29013.2901
C32.46521.39061.50512.75503.44882.13421.09912.16552.16752.1675
C43.85902.56081.50514.25704.73282.75932.23581.10381.10711.1071
H51.09592.16952.75504.25701.87443.12252.54014.72064.79494.7949
H61.09382.17213.44884.73281.87442.47373.79754.76435.40645.4064
H72.13871.09982.13422.75933.12252.47373.10272.42723.53283.5328
H82.70972.14211.09912.23582.54013.79753.10273.13602.61042.6104
H94.08312.69172.16551.10384.72064.76432.42723.13601.78961.7896
H104.50403.29012.16751.10714.79495.40643.53282.61041.78961.7772
H114.50403.29012.16751.10714.79495.40643.53282.61041.78961.7772

picture of methylallyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.737 C1 C2 H7 117.776
C2 C1 H5 120.925 C2 C1 H6 121.337
C2 C3 C4 124.295 C2 C3 H8 118.252
C3 C2 H7 117.488 C3 C4 H9 111.267
C3 C4 H10 111.233 C3 C4 H11 111.233
C4 C3 H8 117.453 H5 C1 H6 117.738
H9 C4 H10 108.079 H9 C4 H11 108.079
H10 C4 H11 106.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability