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All results from a given calculation for CH2C(CH3)CH3 (1-Propene, 2-methyl-)

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-157.261698
Energy at 298.15K-157.269562
Nuclear repulsion energy119.573407
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 B3LYP/6-311G*
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 3127 3022 14.97      
2 A1 3105 3000 24.47      
3 A1 3017 2915 47.76      
4 A1 1725 1667 16.84      
5 A1 1520 1469 14.64      
6 A1 1455 1406 0.76      
7 A1 1429 1381 0.44      
8 A1 1090 1053 3.21      
9 A1 816 788 0.13      
10 A1 380 367 0.27      
11 A2 3051 2949 0.00      
12 A2 1488 1438 0.00      
13 A2 1030 996 0.00      
14 A2 703 679 0.00      
15 A2 163 158 0.00      
16 B1 3055 2952 64.34      
17 B1 1508 1457 20.27      
18 B1 1113 1076 0.13      
19 B1 908 878 49.70      
20 B1 438 423 8.35      
21 B1 207 200 0.46      
22 B2 3204 3096 27.26      
23 B2 3103 2999 31.97      
24 B2 3011 2909 22.69      
25 B2 1503 1452 5.25      
26 B2 1425 1377 10.19      
27 B2 1301 1257 3.71      
28 B2 990 957 0.22      
29 B2 967 934 0.00      
30 B2 441 427 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 23636.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 22840.1 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 B3LYP/6-311G*
ABC
0.30514 0.27900 0.15401

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.124
C2 0.000 0.000 1.457
H3 0.000 0.923 2.029
H4 0.000 -0.923 2.029
C5 0.000 1.276 -0.678
C6 0.000 -1.276 -0.678
H7 0.000 2.161 -0.039
H8 0.878 1.330 -1.333
H9 -0.878 1.330 -1.333
H10 0.000 -2.161 -0.039
H11 -0.878 -1.330 -1.333
H12 0.878 -1.330 -1.333

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.33302.11682.11681.50711.50712.16712.15932.15932.16712.15932.1593
C21.33301.08591.08592.48742.48742.62853.21323.21322.62853.21323.2132
H32.11681.08591.84602.73033.48772.41063.49863.49863.71344.14134.1413
H42.11681.08591.84603.48772.73033.71344.14134.14132.41063.49863.4986
C51.50712.48742.73033.48772.55131.09171.09641.09643.49542.82632.8263
C61.50712.48743.48772.73032.55133.49542.82632.82631.09171.09641.0964
H72.16712.62852.41063.71341.09173.49541.77051.77054.32183.82493.8249
H82.15933.21323.49864.14131.09642.82631.77051.75543.82493.18692.6598
H92.15933.21323.49864.14131.09642.82631.77051.75543.82492.65983.1869
H102.16712.62853.71342.41063.49541.09174.32183.82493.82491.77051.7705
H112.15933.21324.14133.49862.82631.09643.82493.18692.65981.77051.7554
H122.15933.21324.14133.49862.82631.09643.82492.65983.18691.77051.7554

picture of 1-Propene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H3 121.787 C1 C2 H4 121.787
C1 C5 H7 112.007 C1 C5 H8 111.092
C1 C5 H9 111.092 C1 C6 H10 112.007
C1 C6 H11 111.092 C1 C6 H12 111.092
C2 C1 C5 122.172 C2 C1 C6 122.172
H3 C2 H4 116.427 C5 C1 C6 115.656
H7 C5 H8 108.025 H7 C5 H9 108.025
H8 C5 H9 106.364 H10 C6 H11 108.025
H10 C6 H12 108.025 H11 C6 H12 106.364
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.117     0.487
2 C -0.456     -0.704
3 H 0.192     0.222
4 H 0.192     0.222
5 C -0.659     -0.537
6 C -0.659     -0.537
7 H 0.213     0.141
8 H 0.212     0.142
9 H 0.212     0.141
10 H 0.213     0.141
11 H 0.212     0.141
12 H 0.212     0.142


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.499 0.499
CHELPG        
AIM        
ESP 0.007 0.000 -0.484 0.484


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.416 0.000 0.000
y 0.000 -25.977 0.000
z 0.000 0.000 -26.410
Traceless
 xyz
x -2.223 0.000 0.000
y 0.000 1.436 0.000
z 0.000 0.000 0.787
Polar
3z2-r21.573
x2-y2-2.439
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.804 0.000 0.000
y 0.000 6.891 0.000
z 0.000 0.000 8.761


<r2> (average value of r2) Å2
<r2> 91.249
(<r2>)1/2 9.552