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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-192.925510
Energy at 298.15K-192.931719
HF Energy-192.925510
Nuclear repulsion energy117.451059
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 PBEPBEultrafine/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' 3072 3053 16.39      
2 A' 2989 2971 17.41      
3 A' 2946 2928 25.90      
4 A' 2784 2767 151.81      
5 A' 1739 1728 160.79      
6 A' 1422 1414 8.05      
7 A' 1375 1366 10.86      
8 A' 1351 1342 16.56      
9 A' 1337 1329 5.37      
10 A' 1300 1292 13.52      
11 A' 1080 1073 9.93      
12 A' 970 964 1.11      
13 A' 843 838 25.26      
14 A' 649 645 3.99      
15 A' 241 240 8.11      
16 A" 3071 3052 17.40      
17 A" 2975 2957 6.89      
18 A" 1416 1407 7.63      
19 A" 1218 1211 0.37      
20 A" 1087 1080 0.81      
21 A" 860 855 1.39      
22 A" 629 626 3.93      
23 A" 221 220 0.48      
24 A" 134 134 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 17853.8 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 17744.9 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.55448 0.19173 0.15047

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.464 0.477 0.000
C2 0.000 0.910 0.000
C3 -1.001 -0.221 0.000
O4 -0.715 -1.409 0.000
H5 2.131 1.357 0.000
H6 1.693 -0.137 0.889
H7 1.693 -0.137 -0.889
H8 -0.246 1.548 0.877
H9 -0.246 1.548 -0.877
H10 -2.082 0.104 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52632.56122.88141.10461.10461.10462.20022.20023.5650
C21.52631.51022.42672.17762.18032.18031.11241.11242.2325
C32.56121.51021.22183.50702.83822.83822.11432.11431.1289
O42.88142.42671.22183.96872.86522.86523.12023.12022.0388
H51.10462.17763.50703.96871.79261.79262.54122.54124.3955
H61.10462.18032.83822.86521.79261.77882.56923.11793.8859
H71.10462.18032.83822.86521.79261.77883.11792.56923.8859
H82.20021.11242.11433.12022.54122.56923.11791.75432.4953
H92.20021.11242.11433.12022.54123.11792.56921.75432.4953
H103.56502.23251.12892.03884.39553.88593.88592.49532.4953

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 115.010 C1 C2 H8 112.024
C1 C2 H9 112.024 C2 C1 H5 110.699
C2 C1 H6 110.917 C2 C1 H7 110.917
C2 C3 O4 124.978 C2 C3 H10 114.774
C3 C2 H8 106.454 C3 C2 H9 106.454
O4 C3 H10 120.248 H5 C1 H6 108.468
H5 C1 H7 108.468 H6 C1 H7 107.254
H8 C2 H9 104.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.650      
2 C 0.444      
3 C 0.650      
4 O -0.471      
5 H -0.193      
6 H -0.180      
7 H -0.180      
8 H -0.224      
9 H -0.224      
10 H -0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.085 2.720 0.000 2.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.773 -1.577 0.000
y -1.577 -29.017 0.000
z 0.000 0.000 -24.667
Traceless
 xyz
x 2.069 -1.577 0.000
y -1.577 -4.297 0.000
z 0.000 0.000 2.228
Polar
3z2-r24.456
x2-y24.244
xy-1.577
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.367 0.069 0.000
y 0.069 7.366 0.000
z 0.000 0.000 5.300


<r2> (average value of r2) Å2
<r2> 86.330
(<r2>)1/2 9.291