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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-193.120544
Energy at 298.15K-193.126861
HF Energy-193.120544
Nuclear repulsion energy118.433864
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 mPW1PW91/aug-cc-pVDZ
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' 3160 3028 17.97      
2 A' 3075 2947 17.39      
3 A' 3041 2914 27.09      
4 A' 2912 2791 127.16      
5 A' 1831 1755 174.09      
6 A' 1477 1415 8.71      
7 A' 1434 1374 10.27      
8 A' 1408 1349 19.31      
9 A' 1395 1337 5.81      
10 A' 1362 1305 8.69      
11 A' 1120 1074 11.58      
12 A' 1006 964 0.97      
13 A' 875 839 22.77      
14 A' 673 645 6.18      
15 A' 249 239 8.85      
16 A" 3161 3029 18.88      
17 A" 3073 2945 7.78      
18 A" 1469 1408 7.78      
19 A" 1271 1218 0.25      
20 A" 1139 1091 0.57      
21 A" 899 862 1.42      
22 A" 659 632 3.78      
23 A" 228 219 0.81      
24 A" 135 129 2.46      

Unscaled Zero Point Vibrational Energy (zpe) 18525.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 17752.5 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 mPW1PW91/aug-cc-pVDZ
ABC
0.56272 0.19505 0.15300

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.453 0.468 0.000
C2 0.000 0.905 0.000
C3 -0.995 -0.220 0.000
O4 -0.711 -1.393 0.000
H5 2.119 1.339 0.000
H6 1.679 -0.141 0.883
H7 1.679 -0.141 -0.883
H8 -0.239 1.537 0.872
H9 -0.239 1.537 -0.872
H10 -2.065 0.098 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51782.54272.85421.09611.09591.09592.18352.18353.5379
C21.51781.50182.40612.16272.16612.16611.10281.10282.2175
C32.54271.50181.20753.48182.81652.81652.10142.10141.1167
O42.85422.40611.20753.93322.83842.83843.09313.09312.0147
H51.09612.16273.48183.93321.77841.77842.52202.52204.3642
H61.09592.16612.81652.83841.77841.76582.54823.09403.8540
H71.09592.16612.81652.83841.77841.76583.09402.54823.8540
H82.18351.10282.10143.09312.52202.54823.09401.74402.4827
H92.18351.10282.10143.09312.52203.09402.54821.74402.4827
H103.53792.21751.11672.01474.36423.85403.85402.48272.4827

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.722 C1 C2 H8 111.893
C1 C2 H9 111.893 C2 C1 H5 110.629
C2 C1 H6 110.919 C2 C1 H7 110.919
C2 C3 O4 124.911 C2 C3 H10 114.951
C3 C2 H8 106.563 C3 C2 H9 106.563
O4 C3 H10 120.137 H5 C1 H6 108.455
H5 C1 H7 108.455 H6 C1 H7 107.350
H8 C2 H9 104.507
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.484      
2 C 0.182      
3 C 0.611      
4 O -0.512      
5 H -0.112      
6 H -0.108      
7 H -0.108      
8 H -0.122      
9 H -0.122      
10 H -0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 2.812 0.000 2.812
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.194 -1.678 0.000
y -1.678 -28.783 0.000
z 0.000 0.000 -24.305
Traceless
 xyz
x 2.350 -1.678 0.000
y -1.678 -4.534 0.000
z 0.000 0.000 2.184
Polar
3z2-r24.368
x2-y24.589
xy-1.678
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.802 0.053 0.000
y 0.053 6.836 0.000
z 0.000 0.000 5.027


<r2> (average value of r2) Å2
<r2> 84.940
(<r2>)1/2 9.216