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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-193.225196
Energy at 298.15K-193.231502
HF Energy-193.225196
Nuclear repulsion energy118.448777
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 B3LYP/aug-cc-pVTZ
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' 3107 3006 19.09      
2 A' 3044 2945 17.82      
3 A' 3001 2904 26.88      
4 A' 2865 2772 131.21      
5 A' 1801 1743 174.26      
6 A' 1501 1452 7.56      
7 A' 1449 1402 15.67      
8 A' 1424 1378 15.93      
9 A' 1410 1364 1.14      
10 A' 1365 1321 10.59      
11 A' 1110 1073 14.13      
12 A' 1004 971 1.09      
13 A' 847 819 23.37      
14 A' 671 649 5.87      
15 A' 252 244 8.43      
16 A" 3109 3008 19.98      
17 A" 3019 2921 8.34      
18 A" 1493 1445 7.18      
19 A" 1283 1241 0.28      
20 A" 1148 1110 0.44      
21 A" 905 875 1.52      
22 A" 668 646 3.30      
23 A" 221 214 0.73      
24 A" 131 127 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 18413.6 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 17815.2 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 B3LYP/aug-cc-pVTZ
ABC
0.56524 0.19384 0.15234

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.459 0.471 0.000
C2 0.000 0.905 0.000
C3 -0.996 -0.223 0.000
O4 -0.717 -1.395 0.000
H5 2.118 1.339 0.000
H6 1.686 -0.133 0.877
H7 1.686 -0.133 -0.877
H8 -0.237 1.533 0.867
H9 -0.237 1.533 -0.867
H10 -2.059 0.098 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52202.55142.86611.08961.08921.08922.18062.18063.5380
C21.52201.50522.40912.16162.16592.16591.09661.09662.2121
C32.55141.50521.20493.48382.82402.82402.10092.10091.1103
O42.86612.40911.20493.93792.85242.85243.09143.09142.0076
H51.08962.16163.48383.93791.76701.76702.51652.51654.3576
H61.08922.16592.82402.85241.76701.75472.54453.08513.8540
H71.08922.16592.82402.85241.76701.75473.08512.54453.8540
H82.18061.09662.10093.09142.51652.54453.08511.73442.4770
H92.18061.09662.10093.09142.51653.08512.54451.73442.4770
H103.53802.21211.11032.00764.35763.85403.85402.47702.4770

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.881 C1 C2 H8 111.729
C1 C2 H9 111.729 C2 C1 H5 110.633
C2 C1 H6 110.998 C2 C1 H7 110.998
C2 C3 O4 125.122 C2 C3 H10 114.670
C3 C2 H8 106.646 C3 C2 H9 106.646
O4 C3 H10 120.208 H5 C1 H6 108.387
H5 C1 H7 108.387 H6 C1 H7 107.317
H8 C2 H9 104.514
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.589      
2 C -0.098      
3 C -0.018      
4 O -0.605      
5 H 0.186      
6 H 0.196      
7 H 0.196      
8 H 0.186      
9 H 0.186      
10 H 0.361      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.016 2.789 0.000 2.789
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.502 -1.672 0.000
y -1.672 -29.044 0.000
z 0.000 0.000 -24.542
Traceless
 xyz
x 2.291 -1.672 0.000
y -1.672 -4.522 0.000
z 0.000 0.000 2.231
Polar
3z2-r24.462
x2-y24.542
xy-1.672
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.916 0.053 0.000
y 0.053 6.912 0.000
z 0.000 0.000 5.103


<r2> (average value of r2) Å2
<r2> 85.312
(<r2>)1/2 9.236