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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-156.173582
Energy at 298.15K-156.181750
HF Energy-156.173582
Nuclear repulsion energy120.385167
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 HF/Def2TZVPP
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 3279 2972 10.62      
2 A1 3240 2937 26.22      
3 A1 3154 2859 54.06      
4 A1 1851 1678 30.91      
5 A1 1620 1468 13.77      
6 A1 1565 1418 0.61      
7 A1 1533 1389 0.36      
8 A1 1175 1065 1.84      
9 A1 857 776 0.04      
10 A1 404 366 0.40      
11 A2 3189 2890 0.00      
12 A2 1590 1441 0.00      
13 A2 1107 1003 0.00      
14 A2 767 695 0.00      
15 A2 183 166 0.00      
16 B1 3194 2895 64.22      
17 B1 1607 1457 15.03      
18 B1 1208 1095 0.15      
19 B1 1042 945 57.05      
20 B1 480 435 8.54      
21 B1 230 208 0.33      
22 B2 3354 3040 22.61      
23 B2 3238 2935 35.14      
24 B2 3148 2853 21.10      
25 B2 1601 1451 3.85      
26 B2 1539 1395 5.99      
27 B2 1398 1267 2.64      
28 B2 1062 962 0.27      
29 B2 1033 936 0.00      
30 B2 471 427 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 25058.1 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 22712.7 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 HF/Def2TZVPP
ABC
0.30984 0.28143 0.15584

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.119
C2 0.000 0.000 1.437
H3 0.000 0.914 2.000
H4 0.000 -0.914 2.000
C5 0.000 1.285 -0.670
C6 0.000 -1.285 -0.670
H7 0.000 2.147 -0.020
H8 0.871 1.341 -1.314
H9 -0.871 1.341 -1.314
H10 0.000 -2.147 -0.020
H11 -0.871 -1.341 -1.314
H12 0.871 -1.341 -1.314

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.31812.09122.09121.50761.50762.15122.14662.14662.15122.14662.1466
C21.31811.07321.07322.46762.46762.59453.18143.18142.59453.18143.1814
H32.09121.07321.82742.69543.45852.36663.45253.45253.66704.10124.1012
H42.09121.07321.82743.45852.69543.66704.10124.10122.36663.45253.4525
C51.50762.46762.69543.45852.56981.07921.08461.08463.49252.84032.8403
C61.50762.46763.45852.69542.56983.49252.84032.84031.07921.08461.0846
H72.15122.59452.36663.66701.07923.49251.75531.75534.29343.82023.8202
H82.14663.18143.45254.10121.08462.84031.75531.74223.82023.19772.6814
H92.14663.18143.45254.10121.08462.84031.75531.74223.82022.68143.1977
H102.15122.59453.66702.36663.49251.07924.29343.82023.82021.75531.7553
H112.14663.18144.10123.45252.84031.08463.82023.19772.68141.75531.7422
H122.14663.18144.10123.45252.84031.08463.82022.68143.19771.75531.7422

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 121.640 C1 C2 H4 121.640
C1 C5 H7 111.452 C1 C5 H8 110.752
C1 C5 H9 110.752 C1 C6 H10 111.452
C1 C6 H11 110.752 C1 C6 H12 110.752
C2 C1 C5 121.540 C2 C1 C6 121.540
H3 C2 H4 116.721 C5 C1 C6 116.920
H7 C5 H8 108.432 H7 C5 H9 108.432
H8 C5 H9 106.867 H10 C6 H11 108.432
H10 C6 H12 108.432 H11 C6 H12 106.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.037      
2 C -0.158      
3 H 0.053      
4 H 0.053      
5 C -0.137      
6 C -0.137      
7 H 0.064      
8 H 0.058      
9 H 0.058      
10 H 0.064      
11 H 0.058      
12 H 0.058      


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 -0.565 0.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.474 0.000 0.000
y 0.000 -25.906 0.000
z 0.000 0.000 -26.426
Traceless
 xyz
x -2.308 0.000 0.000
y 0.000 1.544 0.000
z 0.000 0.000 0.765
Polar
3z2-r21.529
x2-y2-2.568
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.531 0.000 0.000
y 0.000 6.967 0.000
z 0.000 0.000 8.987


<r2> (average value of r2) Å2
<r2> 90.281
(<r2>)1/2 9.502