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All results from a given calculation for CHOCH(CH3)CH3 (Propanal, 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 CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-231.080076
Energy at 298.15K-231.088814
HF Energy-231.080076
Nuclear repulsion energy176.743973
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
(Å4/u)
Dep P Dep U
1 A' 3232 2929 61.43      
2 A' 3228 2926 68.11      
3 A' 3197 2898 1.70      
4 A' 3160 2865 24.16      
5 A' 3052 2766 86.13      
6 A' 1995 1808 270.55      
7 A' 1628 1475 14.40      
8 A' 1621 1469 4.29      
9 A' 1549 1404 0.63      
10 A' 1535 1392 7.99      
11 A' 1440 1305 3.54      
12 A' 1284 1164 0.21      
13 A' 1281 1161 12.24      
14 A' 987 895 13.16      
15 A' 899 815 16.72      
16 A' 582 527 8.59      
17 A' 381 345 9.98      
18 A' 353 320 0.11      
19 A' 250 227 0.97      
20 A" 3228 2926 16.66      
21 A" 3213 2913 12.62      
22 A" 3155 2860 28.87      
23 A" 1609 1458 1.72      
24 A" 1605 1454 0.64      
25 A" 1526 1383 2.35      
26 A" 1465 1328 0.95      
27 A" 1244 1128 0.98      
28 A" 1058 959 0.09      
29 A" 1040 943 0.54      
30 A" 1003 909 0.55      
31 A" 354 321 1.13      
32 A" 222 202 0.00      
33 A" 75 68 9.70      

Unscaled Zero Point Vibrational Energy (zpe) 26224.1 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 23769.5 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
0.25811 0.12606 0.09482

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.303 0.556 2.161
H2 0.303 0.556 -2.161
H3 -1.018 1.350 -1.321
H4 -1.018 1.350 1.321
H5 0.589 2.040 1.275
H6 0.589 2.040 -1.275
C7 0.039 1.108 -1.268
C8 0.039 1.108 1.268
H9 1.407 0.036 0.000
C10 0.361 0.312 0.000
C11 -0.429 -0.969 0.000
H12 -1.518 -0.854 0.000
O13 0.039 -2.054 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.32113.80751.75431.75183.75383.48231.08272.48162.17502.74363.15763.3983
H24.32111.75433.80753.75381.75181.08273.48232.48162.17502.74363.15763.3983
H33.80751.75432.64283.13071.74931.08492.80653.05812.17332.73262.61773.8010
H41.75433.80752.64281.74933.13072.80651.08493.05812.17332.73262.61773.8010
H51.75183.75383.13071.74932.55072.76361.08232.51262.15973.42283.80034.3232
H63.75381.75181.74933.13072.55071.08232.76362.51262.15973.42283.80034.3232
C73.48231.08271.08492.80652.76361.08232.53512.15161.53112.47772.80723.4068
C81.08273.48232.80651.08491.08232.76362.53512.15161.53112.47772.80723.4068
H92.48162.48163.05813.05812.51262.51262.15162.15161.08202.09303.05752.4977
C102.17502.17502.17332.17332.15972.15971.53111.53111.08201.50492.21152.3879
C112.74362.74362.73262.73263.42283.42282.47772.47772.09301.50491.09501.1820
H123.15763.15762.61772.61773.80033.80032.80722.80723.05752.21151.09501.9660
O133.39833.39833.80103.80104.32324.32323.40683.40682.49772.38791.18201.9660

picture of Propanal, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C8 H4 108.060 H1 C8 H5 108.019
H1 C8 C10 111.482 H2 C7 H3 108.060
H2 C7 H6 108.019 H2 C7 C10 111.482
H3 C7 H6 107.646 H3 C7 C10 111.209
H4 C8 H5 107.646 H4 C8 C10 111.209
H5 C8 C10 110.280 H6 C7 C10 110.280
C7 C10 C8 111.758 C7 C10 H9 109.653
C7 C10 C11 109.390 C8 C10 H9 109.653
C8 C10 C11 109.390 H9 C10 C11 106.872
C10 C11 H12 115.656 C10 C11 O13 124.994
H12 C11 O13 119.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.079      
2 H 0.079      
3 H 0.057      
4 H 0.057      
5 H 0.065      
6 H 0.065      
7 C -0.224      
8 C -0.224      
9 H 0.030      
10 C 0.150      
11 C 0.235      
12 H 0.019      
13 O -0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.637 3.102 0.000 3.167
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.693 1.320 0.000
y 1.320 -39.458 0.000
z 0.000 0.000 -31.122
Traceless
 xyz
x 4.597 1.320 0.000
y 1.320 -8.550 0.000
z 0.000 0.000 3.954
Polar
3z2-r27.908
x2-y28.765
xy1.320
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.668 -0.176 0.000
y -0.176 7.947 0.000
z 0.000 0.000 6.830


<r2> (average value of r2) Å2
<r2> 133.822
(<r2>)1/2 11.568