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All results from a given calculation for C5H10O (2-methylbutyraldehyde)

using model chemistry: M06-2X/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-271.734151
Energy at 298.15K-271.745028
HF Energy-271.734151
Nuclear repulsion energy241.050448
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 M06-2X/TZVP
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 3161 2991 13.23      
2 A 3146 2977 22.15      
3 A 3141 2972 14.57      
4 A 3126 2958 23.30      
5 A 3087 2921 16.72      
6 A 3069 2904 10.28      
7 A 3056 2892 21.11      
8 A 3046 2882 19.01      
9 A 3017 2855 14.28      
10 A 2955 2796 90.98      
11 A 1867 1767 196.56      
12 A 1518 1436 2.42      
13 A 1510 1428 12.39      
14 A 1505 1424 10.05      
15 A 1501 1420 9.83      
16 A 1490 1410 0.55      
17 A 1445 1367 9.97      
18 A 1423 1346 2.44      
19 A 1419 1343 6.25      
20 A 1385 1310 3.77      
21 A 1370 1296 2.06      
22 A 1320 1249 2.44      
23 A 1281 1213 0.71      
24 A 1201 1136 1.78      
25 A 1182 1119 3.10      
26 A 1131 1070 2.74      
27 A 1061 1004 0.09      
28 A 1026 971 13.62      
29 A 985 932 8.10      
30 A 953 902 4.90      
31 A 920 871 15.49      
32 A 807 763 6.89      
33 A 788 746 2.90      
34 A 670 634 8.88      
35 A 413 391 0.81      
36 A 394 373 0.74      
37 A 306 290 4.88      
38 A 265 250 1.00      
39 A 241 228 3.11      
40 A 204 193 0.35      
41 A 113 107 2.23      
42 A 85 80 5.69      

Unscaled Zero Point Vibrational Energy (zpe) 31291.0 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 29607.5 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 M06-2X/TZVP
ABC
0.23663 0.07095 0.05924

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.380 -0.684 0.211
C2 -0.087 0.069 0.418
C3 1.039 -0.715 -0.274
C4 2.424 -0.132 -0.015
C5 -0.201 1.513 -0.044
O6 -2.376 -0.222 -0.272
H7 -1.356 -1.748 0.527
H8 0.107 0.034 1.499
H9 1.013 -1.753 0.069
H10 0.842 -0.735 -1.350
H11 3.199 -0.770 -0.440
H12 2.531 0.858 -0.459
H13 2.612 -0.042 1.057
H14 -0.316 1.555 -1.129
H15 -1.076 1.991 0.395
H16 0.684 2.084 0.235

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.51012.46733.85012.50591.20041.10962.09442.62482.71534.62574.25684.13062.81802.69863.4524
C21.51011.53712.55631.52002.40852.21861.09922.15742.15333.49892.87192.77622.15712.16142.1649
C32.46731.53711.52442.56003.45122.72912.13891.09411.09452.16702.17552.16762.77823.49912.8666
C43.85012.55631.52443.09814.80824.14672.77292.15072.15671.09031.09031.09243.40484.11412.8287
C52.50591.52002.56003.09812.79113.50562.15943.48642.80134.11492.84023.39761.09181.08941.0895
O61.20042.40853.45124.80822.79112.00203.06123.73553.43255.60525.02835.16572.85262.65153.8646
H71.10962.21862.72914.14673.50562.00202.50232.41363.06264.75864.78264.35193.83833.75134.3504
H82.09441.09922.13892.77292.15943.06122.50232.46223.04173.73763.22342.54483.06592.53932.4763
H92.62482.15741.09412.15073.48643.73552.41362.46221.75522.45023.06612.54203.76124.30023.8549
H102.71532.15331.09452.15672.80133.43253.06263.04171.75522.52772.48743.06792.57563.76253.2381
H114.62573.49892.16701.09034.11495.60524.75863.73762.45022.52771.76001.76554.27045.15753.8639
H124.25682.87192.17551.09032.84025.02834.78263.22343.06612.48741.76001.76513.00643.87632.3233
H134.13062.77622.16761.09243.39765.16574.35192.54482.54203.06791.76551.76513.98754.26292.9855
H142.81802.15712.77823.40481.09182.85263.83833.06593.76122.57564.27043.00643.98751.75821.7714
H152.69862.16143.49914.11411.08942.65153.75132.53934.30023.76255.15753.87634.26291.75821.7694
H163.45242.16492.86662.82871.08953.86464.35042.47633.85493.23813.86392.32332.98551.77141.7694

picture of 2-methylbutyraldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 108.128 C1 C2 C5 111.585
C1 C2 H8 105.691 C2 C1 O6 124.998
C2 C1 H7 114.899 C2 C3 C4 113.227
C2 C3 H9 108.993 C2 C3 H10 108.653
C2 C5 H14 110.288 C2 C5 H15 110.773
C2 C5 H16 111.049 C3 C2 C5 113.729
C3 C2 H8 107.283 C3 C4 H11 110.850
C3 C4 H12 111.532 C3 C4 H13 110.776
C4 C3 H9 109.336 C4 C3 H10 109.784
C5 C2 H8 110.024 O6 C1 H7 120.095
H9 C3 H10 106.632 H11 C4 H12 107.631
H11 C4 H13 107.967 H12 C4 H13 107.937
H14 C5 H15 107.424 H14 C5 H16 108.606
H15 C5 H16 108.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.140      
2 C -0.169      
3 C -0.267      
4 C -0.431      
5 C -0.450      
6 O -0.301      
7 H 0.088      
8 H 0.184      
9 H 0.149      
10 H 0.157      
11 H 0.149      
12 H 0.152      
13 H 0.136      
14 H 0.150      
15 H 0.162      
16 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.726 -0.598 0.963 2.952
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.760 0.178 -2.193
y 0.178 -37.408 -0.338
z -2.193 -0.338 -37.924
Traceless
 xyz
x -9.094 0.178 -2.193
y 0.178 4.934 -0.338
z -2.193 -0.338 4.160
Polar
3z2-r28.321
x2-y2-9.352
xy0.178
xz-2.193
yz-0.338


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.354 -0.242 0.307
y -0.242 8.922 -0.259
z 0.307 -0.259 7.696


<r2> (average value of r2) Å2
<r2> 201.405
(<r2>)1/2 14.192