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

using model chemistry: wB97X-D/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-232.403057
Energy at 298.15K-232.411496
HF Energy-232.403057
Nuclear repulsion energy175.450627
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/6-31+G**
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' 3153 3003 29.07      
2 A' 3140 2990 52.13      
3 A' 3100 2952 4.80      
4 A' 3058 2913 22.11      
5 A' 2898 2760 102.17      
6 A' 1856 1768 230.51      
7 A' 1523 1451 22.19      
8 A' 1517 1445 9.43      
9 A' 1441 1372 1.82      
10 A' 1427 1359 4.49      
11 A' 1327 1264 1.02      
12 A' 1193 1136 9.23      
13 A' 1191 1134 0.70      
14 A' 938 893 19.75      
15 A' 858 817 19.00      
16 A' 552 526 5.85      
17 A' 362 344 8.56      
18 A' 341 325 0.51      
19 A' 246 234 0.89      
20 A" 3152 3002 12.17      
21 A" 3135 2986 7.01      
22 A" 3057 2911 28.40      
23 A" 1505 1433 3.26      
24 A" 1497 1426 0.87      
25 A" 1414 1347 6.33      
26 A" 1346 1282 0.40      
27 A" 1148 1093 1.25      
28 A" 995 947 0.35      
29 A" 961 915 0.39      
30 A" 938 893 1.63      
31 A" 330 315 0.81      
32 A" 220 209 0.03      
33 A" 30 29 7.86      

Unscaled Zero Point Vibrational Energy (zpe) 24924.1 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 23735.2 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/6-31+G**
ABC
0.25676 0.12416 0.09383

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.308 0.564 2.174
H2 0.308 0.564 -2.174
H3 -1.032 1.349 -1.317
H4 -1.032 1.349 1.317
H5 0.586 2.061 1.271
H6 0.586 2.061 -1.271
C7 0.038 1.115 -1.268
C8 0.038 1.115 1.268
H9 1.428 0.037 0.000
C10 0.369 0.316 0.000
C11 -0.431 -0.965 0.000
H12 -1.536 -0.828 0.000
O13 0.038 -2.080 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.34763.82131.77381.77113.76643.49651.09392.50142.18872.75823.17193.4331
H24.34761.77383.82133.76641.77111.09393.49652.50142.18872.75823.17193.4331
H33.82131.77382.63503.13421.76821.09642.80833.08382.18352.73012.59403.8264
H41.77383.82132.63501.76823.13422.80831.09643.08382.18352.73012.59403.8264
H51.77113.76643.13421.76822.54142.76461.09382.53432.17013.43623.80304.3665
H63.76641.77111.76823.13422.54141.09382.76462.53432.17013.43623.80304.3665
C73.49651.09391.09642.80832.76461.09382.53672.16861.53522.48072.80333.4373
C81.09393.49652.80831.09641.09382.76462.53672.16861.53522.48072.80333.4373
H92.50142.50143.08383.08382.53432.53432.16862.16861.09492.11183.08752.5326
C102.18872.18872.18352.18352.17012.17011.53521.53521.09491.51012.22192.4185
C112.75822.75822.73012.73013.43623.43622.48072.48072.11181.51011.11351.2096
H123.17193.17192.59402.59403.80303.80302.80332.80333.08752.22191.11352.0114
O133.43313.43313.82643.82644.36654.36653.43733.43732.53262.41851.20962.0114

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 108.160 H1 C8 H5 108.102
H1 C8 C10 111.610 H2 C7 H3 108.160
H2 C7 H6 108.102 H2 C7 C10 111.610
H3 C7 H6 107.665 H3 C7 C10 111.038
H4 C8 H5 107.665 H4 C8 C10 111.038
H5 C8 C10 110.128 H6 C7 C10 110.128
C7 C10 C8 111.415 C7 C10 H9 109.950
C7 C10 C11 109.089 C8 C10 H9 109.950
C8 C10 C11 109.089 H9 C10 C11 107.247
C10 C11 H12 114.909 C10 C11 O13 125.194
H12 C11 O13 119.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.173      
2 H 0.173      
3 H 0.162      
4 H 0.162      
5 H 0.165      
6 H 0.165      
7 C -0.553      
8 C -0.553      
9 H 0.180      
10 C 0.043      
11 C 0.148      
12 H 0.116      
13 O -0.382      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.547 3.093 0.000 3.141
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.872 1.257 0.000
y 1.257 -39.211 0.000
z 0.000 0.000 -30.957
Traceless
 xyz
x 4.212 1.257 0.000
y 1.257 -8.297 0.000
z 0.000 0.000 4.085
Polar
3z2-r28.169
x2-y28.339
xy1.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.998 -0.212 0.000
y -0.212 8.476 0.000
z 0.000 0.000 6.896


<r2> (average value of r2) Å2
<r2> 135.017
(<r2>)1/2 11.620