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All results from a given calculation for CHOCH(CH3)CH3 (Propanal, 2-methyl-)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-232.446549
Energy at 298.15K-232.454988
HF Energy-232.446549
Nuclear repulsion energy175.792150
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 wB97X-D/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 A' 3133 2997 30.71      
2 A' 3122 2986 55.92      
3 A' 3084 2950 4.38      
4 A' 3045 2912 19.32      
5 A' 2855 2731 116.56      
6 A' 1863 1782 211.24      
7 A' 1516 1450 20.85      
8 A' 1511 1446 8.20      
9 A' 1436 1373 1.49      
10 A' 1421 1359 5.91      
11 A' 1322 1264 0.60      
12 A' 1189 1137 4.10      
13 A' 1188 1136 5.42      
14 A' 933 893 18.13      
15 A' 854 817 23.32      
16 A' 553 529 6.30      
17 A' 360 344 7.53      
18 A' 339 325 0.44      
19 A' 243 232 0.81      
20 A" 3132 2996 12.34      
21 A" 3116 2981 7.81      
22 A" 3043 2910 25.32      
23 A" 1498 1433 2.85      
24 A" 1491 1426 0.62      
25 A" 1406 1345 6.25      
26 A" 1347 1288 0.47      
27 A" 1149 1099 0.80      
28 A" 995 952 0.19      
29 A" 961 919 0.69      
30 A" 936 895 1.45      
31 A" 330 316 0.49      
32 A" 217 208 0.03      
33 A" 29 28 6.04      

Unscaled Zero Point Vibrational Energy (zpe) 24808.0 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 23728.9 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 wB97X-D/6-311G**
ABC
0.25753 0.12461 0.09413

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.306 0.561 2.170
H2 0.306 0.561 -2.170
H3 -1.030 1.349 -1.315
H4 -1.030 1.349 1.315
H5 0.587 2.058 1.271
H6 0.587 2.058 -1.271
C7 0.038 1.113 -1.267
C8 0.038 1.113 1.267
H9 1.423 0.032 0.000
C10 0.367 0.315 0.000
C11 -0.430 -0.967 0.000
H12 -1.535 -0.825 0.000
O13 0.038 -2.074 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.34053.81461.77161.76933.76323.49121.09262.49762.18502.75393.16503.4238
H24.34051.77163.81463.76321.76931.09263.49122.49762.18502.75393.16503.4238
H33.81461.77162.62943.13101.76641.09512.80353.07942.17972.72942.58983.8189
H41.77163.81462.62941.76643.13102.80351.09513.07942.17972.72942.58983.8189
H51.76933.76323.13101.76642.54162.76261.09262.53402.16863.43483.79824.3576
H63.76321.76931.76643.13102.54161.09262.76262.53402.16863.43483.79824.3576
C73.49121.09261.09512.80352.76261.09262.53312.16621.53312.47982.79893.4296
C81.09263.49122.80351.09511.09262.76262.53312.16621.53312.47982.79893.4296
H92.49762.49763.07943.07942.53402.53402.16622.16621.09312.10483.07932.5200
C102.18502.18502.17972.17972.16862.16861.53311.53311.09311.50902.21712.4110
C112.75392.75392.72942.72943.43483.43482.47982.47982.10481.50901.11371.2022
H123.16503.16502.58982.58983.79823.79822.79892.79893.07932.21711.11372.0086
O133.42383.42383.81893.81894.35764.35763.42963.42962.52002.41101.20222.0086

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 108.148 H1 C8 H5 108.127
H1 C8 C10 111.542 H2 C7 H3 108.148
H2 C7 H6 108.127 H2 C7 C10 111.542
H3 C7 H6 107.691 H3 C7 C10 110.962
H4 C8 H5 107.691 H4 C8 C10 110.962
H5 C8 C10 110.237 H6 C7 C10 110.237
C7 C10 C8 111.409 C7 C10 H9 110.015
C7 C10 C11 109.202 C8 C10 H9 110.015
C8 C10 C11 109.202 H9 C10 C11 106.883
C10 C11 H12 114.576 C10 C11 O13 125.183
H12 C11 O13 120.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.135      
2 H 0.135      
3 H 0.118      
4 H 0.118      
5 H 0.129      
6 H 0.129      
7 C -0.317      
8 C -0.317      
9 H 0.149      
10 C -0.276      
11 C 0.212      
12 H 0.067      
13 O -0.282      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.484 2.776 0.000 2.818
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.789 1.055 0.000
y 1.055 -38.210 0.000
z 0.000 0.000 -30.831
Traceless
 xyz
x 3.732 1.055 0.000
y 1.055 -7.401 0.000
z 0.000 0.000 3.669
Polar
3z2-r27.338
x2-y27.422
xy1.055
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.745 -0.157 0.000
y -0.157 7.892 0.000
z 0.000 0.000 6.661


<r2> (average value of r2) Å2
<r2> 134.400
(<r2>)1/2 11.593