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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-270.129586
Energy at 298.15K-270.140711
HF Energy-270.129586
Nuclear repulsion energy232.134717
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 HF/Def2TZVPP
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' 3215 2914 59.11      
2 A' 3174 2877 34.24      
3 A' 3155 2860 18.89      
4 A' 3145 2851 78.06      
5 A' 3139 2845 6.56      
6 A' 3069 2782 120.26      
7 A' 1992 1806 223.89      
8 A' 1629 1477 7.90      
9 A' 1615 1463 0.22      
10 A' 1607 1457 0.94      
11 A' 1577 1429 10.86      
12 A' 1547 1403 4.86      
13 A' 1539 1395 2.27      
14 A' 1536 1393 17.68      
15 A' 1495 1355 10.76      
16 A' 1395 1265 1.50      
17 A' 1221 1107 9.77      
18 A' 1132 1026 2.26      
19 A' 1100 997 4.04      
20 A' 976 885 0.38      
21 A' 954 865 8.11      
22 A' 737 668 22.05      
23 A' 420 381 2.23      
24 A' 313 284 5.20      
25 A' 149 135 6.03      
26 A" 3219 2918 123.37      
27 A" 3206 2905 0.01      
28 A" 3161 2865 2.17      
29 A" 3159 2864 20.62      
30 A" 1614 1463 6.33      
31 A" 1438 1304 0.13      
32 A" 1422 1289 0.18      
33 A" 1348 1222 0.06      
34 A" 1275 1155 0.02      
35 A" 1062 963 0.69      
36 A" 930 843 0.01      
37 A" 802 727 1.13      
38 A" 728 660 1.78      
39 A" 263 239 0.00      
40 A" 183 166 3.08      
41 A" 120 109 1.27      
42 A" 81 74 3.67      

Unscaled Zero Point Vibrational Energy (zpe) 32921.8 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 29840.4 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 HF/Def2TZVPP
ABC
0.35750 0.04871 0.04424

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.871 -2.041 0.000
C2 -0.323 -1.131 0.000
C3 0.000 0.357 0.000
C4 -1.248 1.235 0.000
C5 -0.926 2.725 0.000
O6 1.996 -1.681 0.000
H7 0.652 -3.112 0.000
H8 -0.924 -1.404 0.865
H9 -0.924 -1.404 -0.865
H10 0.611 0.587 -0.865
H11 0.611 0.587 0.865
H12 -1.857 0.999 0.869
H13 -1.857 0.999 -0.869
H14 -1.828 3.324 0.000
H15 -0.347 2.998 -0.875
H16 -0.347 2.998 0.875

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50132.55143.90185.09341.18211.09282.09152.09152.77892.77894.17574.17576.00585.25795.2579
C21.50131.52262.54043.90252.38402.20791.08791.08792.13792.13792.76462.76464.70224.22094.2209
C32.55141.52261.52612.54242.85293.52962.16882.16881.08361.08362.14802.14803.48502.80402.8040
C43.90182.54041.52611.52424.36254.74402.79632.79632.15052.15051.08661.08662.16792.16472.1647
C55.09343.90252.54241.52425.28696.04624.21874.21872.77152.77152.14452.14451.08331.08411.0841
O61.18212.38402.85294.36255.28691.96373.05843.05842.79482.79484.77324.77326.29915.30605.3060
H71.09282.20793.52964.74406.04621.96372.47922.47923.79873.79874.89354.89356.89716.25286.2528
H82.09151.08792.16882.79634.21873.05842.47921.72943.05162.51392.57803.10674.89094.76884.4401
H92.09151.08792.16882.79634.21873.05842.47921.72942.51393.05163.10672.57804.89094.44014.7688
H102.77892.13791.08362.15052.77152.79483.79873.05162.51391.73023.04372.50153.76702.59493.1243
H112.77892.13791.08362.15052.77152.79483.79872.51393.05161.73022.50153.04373.76703.12432.5949
H124.17572.76462.14801.08662.14454.77324.89352.57803.10673.04372.50151.73782.48193.05212.5048
H134.17572.76462.14801.08662.14454.77324.89353.10672.57802.50153.04371.73782.48192.50483.0521
H146.00584.70223.48502.16791.08336.29916.89714.89094.89093.76703.76702.48192.48191.75091.7509
H155.25794.22092.80402.16471.08415.30606.25284.76884.44012.59493.12433.05212.50481.75091.7501
H165.25794.22092.80402.16471.08415.30606.25284.44014.76883.12432.59492.50483.05211.75091.7501

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 115.075 C1 C2 H8 106.665
C1 C2 H9 106.665 C2 C1 O6 124.925
C2 C1 H7 115.773 C2 C3 C4 112.871
C2 C3 H10 109.074 C2 C3 H11 109.074
C3 C2 H8 111.275 C3 C2 H9 111.275
C3 C4 C5 112.919 C3 C4 H12 109.449
C3 C4 H13 109.449 C4 C3 H10 109.817
C4 C3 H11 109.817 C4 C5 H14 111.362
C4 C5 H15 111.058 C4 C5 H16 111.058
C5 C4 H12 109.305 C5 C4 H13 109.305
O6 C1 H7 119.303 H8 C2 H9 105.279
H10 C3 H11 105.948 H12 C4 H13 106.191
H14 C5 H15 107.775 H14 C5 H16 107.775
H15 C5 H16 107.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.252      
2 C -0.045      
3 C -0.036      
4 C -0.017      
5 C -0.186      
6 O -0.399      
7 H 0.031      
8 H 0.048      
9 H 0.048      
10 H 0.044      
11 H 0.044      
12 H 0.027      
13 H 0.027      
14 H 0.061      
15 H 0.050      
16 H 0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.935 -0.241 0.000 2.945
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.465 4.350 0.000
y 4.350 -36.666 0.000
z 0.000 0.000 -37.398
Traceless
 xyz
x -9.433 4.350 0.000
y 4.350 5.266 0.000
z 0.000 0.000 4.167
Polar
3z2-r28.335
x2-y2-9.799
xy4.350
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.102 -0.432 0.000
y -0.432 10.039 0.000
z 0.000 0.000 7.348


<r2> (average value of r2) Å2
<r2> 251.241
(<r2>)1/2 15.851