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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-155.628453
Energy at 298.15K-155.634724
HF Energy-155.628453
Nuclear repulsion energy108.146007
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 BLYP/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' 3172 3155 16.34      
2 A' 3082 3065 18.12      
3 A' 3074 3057 26.82      
4 A' 3051 3035 4.77      
5 A' 3027 3010 12.89      
6 A' 2934 2917 30.42      
7 A' 1530 1522 6.46      
8 A' 1510 1502 1.59      
9 A' 1480 1471 11.18      
10 A' 1421 1413 2.96      
11 A' 1351 1343 1.59      
12 A' 1274 1267 1.63      
13 A' 1214 1207 0.69      
14 A' 1112 1106 0.17      
15 A' 1011 1005 7.80      
16 A' 866 861 5.13      
17 A' 505 503 0.55      
18 A' 288 286 0.15      
19 A" 2959 2943 25.69      
20 A" 1507 1499 7.03      
21 A" 1035 1029 4.36      
22 A" 976 971 21.59      
23 A" 768 764 59.10      
24 A" 719 715 0.05      
25 A" 533 530 5.67      
26 A" 214 212 1.66      
27 A" 147 147 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 20379.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 20266.9 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 BLYP/3-21G
ABC
1.24827 0.13099 0.12126

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.377 -1.423 0.000
C2 0.156 -0.750 0.000
C3 0.000 0.639 0.000
C4 -1.337 1.344 0.000
H5 2.323 -0.877 0.000
H6 1.427 -2.513 0.000
H7 -0.759 -1.355 0.000
H8 0.897 1.269 0.000
H9 -2.169 0.621 0.000
H10 -1.448 1.997 0.888
H11 -1.448 1.997 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.39452.48043.87681.09261.09052.13782.73544.09344.52414.5241
C21.39451.39832.57232.17102.17321.09732.15112.69933.30263.3026
C32.48041.39831.51182.77453.46032.13411.09592.16932.17422.1742
C43.87682.57231.51184.28204.74552.76032.23541.10251.10771.1077
H51.09262.17102.77454.28201.86513.11972.57734.73574.82384.8238
H61.09052.17323.46034.74551.86512.47443.81924.77015.42155.4215
H72.13781.09732.13412.76033.11972.47443.10332.42703.53533.5353
H82.73542.15111.09592.23542.57733.81923.10333.13392.61032.6103
H94.09342.69932.16931.10254.73574.77012.42703.13391.79001.7900
H104.52413.30262.17421.10774.82385.42153.53532.61031.79001.7762
H114.52413.30262.17421.10774.82385.42153.53532.61031.79001.7762

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 125.277 C1 C2 H7 117.683
C2 C1 H5 121.124 C2 C1 H6 121.501
C2 C3 C4 124.194 C2 C3 H8 118.681
C3 C2 H7 117.040 C3 C4 H9 111.196
C3 C4 H10 111.263 C3 C4 H11 111.263
C4 C3 H8 117.125 H5 C1 H6 117.375
H9 C4 H10 108.172 H9 C4 H11 108.172
H10 C4 H11 106.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.345      
2 C -0.172      
3 C -0.134      
4 C -0.571      
5 H 0.165      
6 H 0.168      
7 H 0.160      
8 H 0.160      
9 H 0.185      
10 H 0.192      
11 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.335 0.370 0.000 0.499
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.293 -0.016 0.000
y -0.016 -23.906 0.000
z 0.000 0.000 -28.306
Traceless
 xyz
x 1.814 -0.016 0.000
y -0.016 2.393 0.000
z 0.000 0.000 -4.207
Polar
3z2-r2-8.414
x2-y2-0.386
xy-0.016
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.394 -2.213 0.000
y -2.213 8.495 0.000
z 0.000 0.000 2.878


<r2> (average value of r2) Å2
<r2> 105.198
(<r2>)1/2 10.257