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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-192.908405
Energy at 298.15K-192.914625
HF Energy-192.908405
Nuclear repulsion energy117.574257
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3076 3058 14.76      
2 A' 2990 2973 16.32      
3 A' 2944 2927 24.15      
4 A' 2758 2742 170.80      
5 A' 1769 1759 140.31      
6 A' 1423 1415 8.14      
7 A' 1376 1368 9.48      
8 A' 1350 1343 11.40      
9 A' 1340 1332 5.28      
10 A' 1304 1296 12.99      
11 A' 1081 1075 11.43      
12 A' 974 968 1.00      
13 A' 847 842 24.92      
14 A' 652 649 3.87      
15 A' 247 246 7.99      
16 A" 3073 3055 14.77      
17 A" 2973 2956 8.05      
18 A" 1413 1405 7.08      
19 A" 1221 1214 0.16      
20 A" 1090 1083 0.31      
21 A" 867 862 3.10      
22 A" 639 636 4.03      
23 A" 233 232 0.15      
24 A" 123 123 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 17881.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 17777.6 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 PBEPBE/cc-pVDZ
ABC
0.54943 0.19415 0.15159

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.457 0.463 0.000
C2 0.000 0.915 0.000
C3 -1.001 -0.218 0.000
O4 -0.708 -1.401 0.000
H5 2.145 1.330 0.000
H6 1.677 -0.159 0.890
H7 1.677 -0.159 -0.890
H8 -0.242 1.559 0.879
H9 -0.242 1.559 -0.879
H10 -2.086 0.115 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52522.55052.85641.10731.10781.10782.20382.20383.5593
C21.52521.51242.42232.18502.18112.18111.11561.11562.2341
C32.55051.51241.21913.50682.82272.82272.12302.12301.1343
O42.85642.42231.21913.94952.83202.83203.12283.12282.0488
H51.10732.18503.50683.94951.79671.79672.55372.55374.4020
H61.10782.18112.82272.83201.79671.77972.57513.12383.8759
H71.10782.18112.82272.83201.79671.77973.12382.57513.8759
H82.20381.11562.12303.12282.55372.57513.12381.75712.5017
H92.20381.11562.12303.12282.55373.12382.57511.75712.5017
H103.55932.23411.13432.04884.40203.87593.87592.50172.5017

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.206 C1 C2 H8 112.204
C1 C2 H9 112.204 C2 C1 H5 111.210
C2 C1 H6 110.875 C2 C1 H7 110.875
C2 C3 O4 124.598 C2 C3 H10 114.392
C3 C2 H8 106.800 C3 C2 H9 106.800
O4 C3 H10 121.010 H5 C1 H6 108.419
H5 C1 H7 108.419 H6 C1 H7 106.894
H8 C2 H9 103.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.050      
2 C -0.115      
3 C 0.118      
4 O -0.168      
5 H 0.030      
6 H 0.047      
7 H 0.047      
8 H 0.052      
9 H 0.052      
10 H -0.013      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.058 2.338 0.000 2.339
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.403 -1.446 0.000
y -1.446 -27.757 0.000
z 0.000 0.000 -24.218
Traceless
 xyz
x 1.584 -1.446 0.000
y -1.446 -3.446 0.000
z 0.000 0.000 1.862
Polar
3z2-r23.724
x2-y23.354
xy-1.446
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.213 0.011 0.000
y 0.011 6.086 0.000
z 0.000 0.000 4.278


<r2> (average value of r2) Å2
<r2> 85.472
(<r2>)1/2 9.245