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

using model chemistry: wB97X-D/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-232.469083
Energy at 298.15K-232.477520
HF Energy-232.469083
Nuclear repulsion energy176.143554
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/cc-pVTZ
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' 3137 2999 27.29      
2 A' 3126 2988 50.02      
3 A' 3089 2953 3.83      
4 A' 3050 2916 18.42      
5 A' 2859 2733 106.55      
6 A' 1857 1776 214.06      
7 A' 1517 1450 17.93      
8 A' 1514 1448 7.64      
9 A' 1439 1376 0.71      
10 A' 1423 1361 4.71      
11 A' 1326 1268 0.49      
12 A' 1192 1140 9.34      
13 A' 1190 1137 0.49      
14 A' 932 891 18.99      
15 A' 856 819 21.17      
16 A' 553 529 5.72      
17 A' 360 344 7.53      
18 A' 339 324 0.40      
19 A' 244 233 0.73      
20 A" 3136 2998 11.27      
21 A" 3120 2982 7.18      
22 A" 3049 2914 23.04      
23 A" 1502 1436 2.59      
24 A" 1492 1426 0.26      
25 A" 1408 1346 4.94      
26 A" 1346 1287 0.67      
27 A" 1147 1097 1.07      
28 A" 995 951 0.21      
29 A" 961 918 0.40      
30 A" 936 895 1.43      
31 A" 329 314 0.64      
32 A" 220 210 0.02      
33 A" 22 21 6.38      

Unscaled Zero Point Vibrational Energy (zpe) 24831.9 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 23739.3 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/cc-pVTZ
ABC
0.25867 0.12508 0.09451

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.308 0.562 2.165
H2 0.308 0.562 -2.165
H3 -1.030 1.339 -1.311
H4 -1.030 1.339 1.311
H5 0.580 2.056 1.265
H6 0.580 2.056 -1.265
C7 0.037 1.111 -1.263
C8 0.037 1.111 1.263
H9 1.423 0.036 0.000
C10 0.369 0.314 0.000
C11 -0.428 -0.963 0.000
H12 -1.530 -0.822 0.000
O13 0.037 -2.071 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.32993.80491.76711.76563.75103.48251.08982.49132.17992.74843.15903.4189
H24.32991.76713.80493.75101.76561.08983.48252.49132.17992.74843.15903.4189
H33.80491.76712.62243.12081.76231.09232.79623.07132.17382.71702.57693.8060
H41.76713.80492.62241.76233.12082.79621.09233.07132.17382.71702.57693.8060
H51.76563.75103.12081.76232.52962.75301.08982.52802.16283.42503.78594.3501
H63.75101.76561.76233.12082.52961.08982.75302.52802.16283.42503.78594.3501
C73.48251.08981.09232.79622.75301.08982.52672.16111.52972.47262.79073.4230
C81.08983.48252.79621.09231.08982.75302.52672.16111.52972.47262.79073.4230
H92.49132.49133.07133.07132.52802.52802.16112.16111.09032.10373.07532.5217
C102.17992.17992.17382.17382.16282.16281.52971.52971.09031.50572.21292.4079
C112.74842.74842.71702.71703.42503.42502.47262.47262.10371.50571.11101.2014
H123.15903.15902.57692.57693.78593.78592.79072.79073.07532.21291.11102.0041
O133.41893.41893.80603.80604.35014.35013.42303.42302.52172.40791.20142.0041

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 108.161 H1 C8 H5 108.206
H1 C8 C10 111.541 H2 C7 H3 108.161
H2 C7 H6 108.206 H2 C7 C10 111.541
H3 C7 H6 107.727 H3 C7 C10 110.899
H4 C8 H5 107.727 H4 C8 C10 110.899
H5 C8 C10 110.178 H6 C7 C10 110.178
C7 C10 C8 111.352 C7 C10 H9 110.014
C7 C10 C11 109.090 C8 C10 H9 110.014
C8 C10 C11 109.090 H9 C10 C11 107.179
C10 C11 H12 114.653 C10 C11 O13 125.243
H12 C11 O13 120.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.105      
2 H 0.105      
3 H 0.089      
4 H 0.089      
5 H 0.098      
6 H 0.098      
7 C -0.285      
8 C -0.285      
9 H 0.101      
10 C -0.047      
11 C 0.141      
12 H 0.048      
13 O -0.257      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.464 2.837 0.000 2.875
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.708 1.076 0.000
y 1.076 -38.267 0.000
z 0.000 0.000 -30.777
Traceless
 xyz
x 3.814 1.076 0.000
y 1.076 -7.524 0.000
z 0.000 0.000 3.711
Polar
3z2-r27.421
x2-y27.559
xy1.076
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.052 -0.135 0.000
y -0.135 8.367 0.000
z 0.000 0.000 7.114


<r2> (average value of r2) Å2
<r2> 133.913
(<r2>)1/2 11.572