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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: M06-2X/3-21G*

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/3-21G*
 hartrees
Energy at 0K-270.143361
Energy at 298.15K-270.154299
HF Energy-270.143361
Nuclear repulsion energy230.829128
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/3-21G*
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' 3140 2974 21.87      
2 A' 3080 2918 23.65      
3 A' 3068 2906 14.61      
4 A' 3065 2903 10.32      
5 A' 3051 2890 9.83      
6 A' 3017 2858 109.78      
7 A' 1782 1688 78.80      
8 A' 1568 1485 8.59      
9 A' 1552 1470 5.72      
10 A' 1542 1460 1.10      
11 A' 1513 1433 18.83      
12 A' 1465 1387 6.62      
13 A' 1452 1375 7.57      
14 A' 1410 1336 1.80      
15 A' 1388 1315 12.96      
16 A' 1315 1246 20.18      
17 A' 1155 1094 18.46      
18 A' 1084 1026 1.17      
19 A' 1046 990 0.98      
20 A' 940 890 0.09      
21 A' 910 862 13.18      
22 A' 704 667 12.41      
23 A' 407 385 2.22      
24 A' 309 293 5.96      
25 A' 147 139 5.34      
26 A" 3137 2971 38.94      
27 A" 3121 2956 8.27      
28 A" 3100 2937 0.94      
29 A" 3081 2918 3.13      
30 A" 1568 1485 10.18      
31 A" 1362 1290 0.17      
32 A" 1350 1279 0.03      
33 A" 1273 1206 0.01      
34 A" 1192 1129 0.37      
35 A" 1020 966 0.91      
36 A" 891 844 1.05      
37 A" 767 726 1.05      
38 A" 710 673 8.84      
39 A" 250 237 0.05      
40 A" 217 205 1.40      
41 A" 119 112 1.07      
42 A" 60 57 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 31662.1 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 29990.3 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 M06-2X/3-21G*
ABC
0.32747 0.05010 0.04491

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.779 -2.071 0.000
C2 -0.423 -1.152 0.000
C3 0.000 0.322 0.000
C4 -1.208 1.276 0.000
C5 -0.758 2.749 0.000
O6 1.939 -1.668 0.000
H7 0.545 -3.149 0.000
H8 -1.039 -1.387 0.881
H9 -1.039 -1.387 -0.881
H10 0.627 0.514 -0.879
H11 0.627 0.514 0.879
H12 -1.827 1.077 0.884
H13 -1.827 1.077 -0.884
H14 -1.618 3.426 0.000
H15 -0.151 2.962 -0.887
H16 -0.151 2.962 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.51332.51633.89205.05951.22791.10312.13292.13292.73432.73434.18124.18125.99675.19435.1943
C21.51331.53352.55153.91582.41812.21881.09991.09992.15672.15672.77852.77854.73134.21734.2173
C32.51631.53351.53902.54322.77853.51302.18482.18481.09651.09652.16572.16573.50042.78912.7891
C43.89202.55151.53901.54064.30914.75882.80942.80942.17232.17231.09751.09752.18892.17822.1782
C55.05953.91582.54321.54065.17596.04034.23804.23802.77282.77282.17302.17301.09391.09521.0952
O61.22792.41812.77854.30915.17592.03393.11823.11822.69342.69344.74364.74366.21305.15695.1569
H71.10312.21883.51304.75886.04032.03392.52752.52753.76753.76754.92564.92566.92116.21376.2137
H82.13291.09992.18482.80944.23803.11822.52751.76193.07952.52732.58643.13104.92654.77714.4381
H92.13291.09992.18482.80944.23803.11822.52751.76192.52733.07953.13102.58644.92654.43814.7771
H102.73432.15671.09652.17232.77282.69343.76753.07952.52731.75723.07372.51843.78052.56883.1168
H112.73432.15671.09652.17232.77282.69343.76752.52733.07951.75722.51843.07373.78053.11682.5688
H124.18122.77852.16571.09752.17304.74364.92562.58643.13103.07372.51841.76722.51853.08172.5225
H134.18122.77852.16571.09752.17304.74364.92563.13102.58642.51843.07371.76722.51852.52253.0817
H145.99674.73133.50042.18891.09396.21306.92114.92654.92653.78053.78052.51852.51851.77541.7754
H155.19434.21732.78912.17821.09525.15696.21374.77714.43812.56883.11683.08172.52251.77541.7732
H165.19434.21732.78912.17821.09525.15696.21374.43814.77713.11682.56882.52253.08171.77541.7732

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.358 C1 C2 H8 108.374
C1 C2 H9 108.374 C2 C1 O6 123.470
C2 C1 H7 115.102 C2 C3 C4 112.285
C2 C3 H10 109.047 C2 C3 H11 109.047
C3 C2 H8 111.057 C3 C2 H9 111.057
C3 C4 C5 111.348 C3 C4 H12 109.311
C3 C4 H13 109.311 C4 C3 H10 109.892
C4 C3 H11 109.892 C4 C5 H14 111.238
C4 C5 H15 110.319 C4 C5 H16 110.319
C5 C4 H12 109.769 C5 C4 H13 109.769
O6 C1 H7 121.429 H8 C2 H9 106.440
H10 C3 H11 106.504 H12 C4 H13 107.239
H14 C5 H15 108.389 H14 C5 H16 108.389
H15 C5 H16 108.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.265      
2 C -0.525      
3 C -0.366      
4 C -0.409      
5 C -0.568      
6 O -0.428      
7 H 0.176      
8 H 0.227      
9 H 0.227      
10 H 0.212      
11 H 0.212      
12 H 0.194      
13 H 0.194      
14 H 0.196      
15 H 0.196      
16 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.490 -0.307 0.000 2.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.692 3.730 0.000
y 3.730 -36.121 0.000
z 0.000 0.000 -37.465
Traceless
 xyz
x -7.898 3.730 0.000
y 3.730 4.957 0.000
z 0.000 0.000 2.941
Polar
3z2-r25.882
x2-y2-8.570
xy3.730
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.783 -0.295 0.000
y -0.295 8.579 0.000
z 0.000 0.000 6.076


<r2> (average value of r2) Å2
<r2> 248.024
(<r2>)1/2 15.749