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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-155.667606
Energy at 298.15K-155.673978
HF Energy-155.667606
Nuclear repulsion energy108.952726
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 B3PW91/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3264 3137 11.46      
2 A' 3169 3046 31.04      
3 A' 3165 3042 4.13      
4 A' 3147 3025 3.65      
5 A' 3122 3001 10.41      
6 A' 3023 2906 23.63      
7 A' 1561 1500 8.74      
8 A' 1540 1481 1.92      
9 A' 1513 1455 13.21      
10 A' 1454 1398 7.60      
11 A' 1381 1327 0.37      
12 A' 1312 1261 1.69      
13 A' 1233 1185 0.55      
14 A' 1151 1107 0.14      
15 A' 1033 993 9.89      
16 A' 895 860 4.79      
17 A' 521 501 0.52      
18 A' 295 284 0.18      
19 A" 3066 2947 18.89      
20 A" 1537 1477 10.09      
21 A" 1064 1023 7.04      
22 A" 1004 965 25.99      
23 A" 808 777 75.03      
24 A" 747 718 0.02      
25 A" 548 527 6.70      
26 A" 220 212 2.36      
27 A" 146 140 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 20958.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 20145.3 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 B3PW91/3-21G
ABC
1.26055 0.13325 0.12329

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.369 -1.408 0.000
C2 0.153 -0.745 0.000
C3 0.000 0.634 0.000
C4 -1.328 1.331 0.000
H5 2.307 -0.859 0.000
H6 1.424 -2.491 0.000
H7 -0.755 -1.348 0.000
H8 0.892 1.260 0.000
H9 -2.153 0.609 0.000
H10 -1.439 1.977 0.883
H11 -1.439 1.977 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.38512.45883.84401.08641.08442.12562.71074.05924.48604.4860
C21.38511.38772.54992.15662.15941.09062.13682.67463.27473.2747
C32.45881.38771.49982.74803.43432.12131.08942.15362.15722.1572
C43.84402.54991.49984.24374.70932.73892.22121.09591.10041.1004
H51.08642.15662.74804.24371.85573.10102.54834.69554.78044.7804
H61.08442.15943.43434.70931.85572.46073.78884.73345.37945.3794
H72.12561.09062.12132.73893.10102.46073.08472.40493.50763.5076
H82.71072.13681.08942.22122.54833.78883.08473.11392.59312.5931
H94.05922.67462.15361.09594.69554.73342.40493.11391.77861.7786
H104.48603.27472.15721.10044.78045.37943.50762.59311.77861.7669
H114.48603.27472.15721.10044.78045.37943.50762.59311.77861.7669

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 124.941 C1 C2 H7 117.829
C2 C1 H5 121.046 C2 C1 H6 121.472
C2 C3 C4 123.993 C2 C3 H8 118.732
C3 C2 H7 117.230 C3 C4 H9 111.175
C3 C4 H10 111.190 C3 C4 H11 111.190
C4 C3 H8 117.276 H5 C1 H6 117.482
H9 C4 H10 108.154 H9 C4 H11 108.154
H10 C4 H11 106.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.412      
2 C -0.235      
3 C -0.181      
4 C -0.671      
5 H 0.204      
6 H 0.208      
7 H 0.208      
8 H 0.205      
9 H 0.220      
10 H 0.227      
11 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.310 0.357 0.000 0.473
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.876 -0.007 0.000
y -0.007 -23.520 0.000
z 0.000 0.000 -28.421
Traceless
 xyz
x 2.094 -0.007 0.000
y -0.007 2.629 0.000
z 0.000 0.000 -4.723
Polar
3z2-r2-9.446
x2-y2-0.357
xy-0.007
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.117 -2.038 0.000
y -2.038 8.159 0.000
z 0.000 0.000 2.843


<r2> (average value of r2) Å2
<r2> 103.610
(<r2>)1/2 10.179