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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B3LYP/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-193.238339
Energy at 298.15K-193.244645
HF Energy-193.238339
Nuclear repulsion energy118.531979
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/cc-pVQZ
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 3010 19.49      
2 A' 3043 2948 17.95      
3 A' 3000 2907 26.24      
4 A' 2861 2771 135.81      
5 A' 1807 1751 165.25      
6 A' 1501 1455 7.66      
7 A' 1450 1405 14.99      
8 A' 1426 1381 16.06      
9 A' 1412 1368 0.84      
10 A' 1365 1323 11.14      
11 A' 1110 1076 14.55      
12 A' 1004 973 1.03      
13 A' 847 821 23.65      
14 A' 673 652 5.93      
15 A' 253 245 8.43      
16 A" 3109 3012 20.29      
17 A" 3019 2924 8.79      
18 A" 1494 1447 7.17      
19 A" 1282 1242 0.24      
20 A" 1148 1113 0.34      
21 A" 906 877 1.77      
22 A" 669 648 3.18      
23 A" 223 216 0.67      
24 A" 131 127 2.39      

Unscaled Zero Point Vibrational Energy (zpe) 18420.5 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 17845.8 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/cc-pVQZ
ABC
0.56534 0.19426 0.15260

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.458 0.469 0.000
C2 0.000 0.906 0.000
C3 -0.996 -0.223 0.000
O4 -0.716 -1.392 0.000
H5 2.119 1.335 0.000
H6 1.684 -0.135 0.877
H7 1.684 -0.135 -0.877
H8 -0.235 1.534 0.867
H9 -0.235 1.534 -0.867
H10 -2.059 0.098 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52202.55012.86191.08901.08861.08862.18012.18013.5368
C21.52201.50552.40702.16162.16522.16521.09601.09602.2120
C32.55011.50551.20273.48282.82152.82152.10152.10151.1103
O42.86192.40701.20273.93342.84742.84743.08943.08942.0067
H51.08902.16163.48283.93341.76601.76602.51642.51644.3570
H61.08862.16522.82152.84741.76601.75362.54373.08393.8517
H71.08862.16522.82152.84741.76601.75363.08392.54373.8517
H82.18011.09602.10153.08942.51642.54373.08391.73362.4776
H92.18011.09602.10153.08942.51643.08392.54371.73362.4776
H103.53682.21201.11032.00674.35703.85173.85172.47762.4776

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.771 C1 C2 H8 111.727
C1 C2 H9 111.727 C2 C1 H5 110.673
C2 C1 H6 110.986 C2 C1 H7 110.986
C2 C3 O4 125.064 C2 C3 H10 114.631
C3 C2 H8 106.703 C3 C2 H9 106.703
O4 C3 H10 120.305 H5 C1 H6 108.388
H5 C1 H7 108.388 H6 C1 H7 107.298
H8 C2 H9 104.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.266      
2 C -0.153      
3 C 0.226      
4 O -0.326      
5 H 0.091      
6 H 0.099      
7 H 0.099      
8 H 0.096      
9 H 0.096      
10 H 0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.001 2.728 0.000 2.728
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.450 -1.642 0.000
y -1.642 -28.871 0.000
z 0.000 0.000 -24.480
Traceless
 xyz
x 2.226 -1.642 0.000
y -1.642 -4.406 0.000
z 0.000 0.000 2.180
Polar
3z2-r24.361
x2-y24.421
xy-1.642
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.694 0.036 0.000
y 0.036 6.642 0.000
z 0.000 0.000 4.893


<r2> (average value of r2) Å2
<r2> 85.143
(<r2>)1/2 9.227