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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-192.974338
Energy at 298.15K-192.980555
HF Energy-192.974338
Nuclear repulsion energy117.913880
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-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' 3054 3020 15.41      
2 A' 2983 2950 16.80      
3 A' 2935 2902 25.06      
4 A' 2769 2738 149.62      
5 A' 1743 1723 161.61      
6 A' 1446 1430 7.68      
7 A' 1389 1373 15.34      
8 A' 1366 1351 18.06      
9 A' 1354 1339 0.29      
10 A' 1309 1294 15.31      
11 A' 1080 1068 11.62      
12 A' 974 963 0.95      
13 A' 834 824 26.14      
14 A' 651 644 3.82      
15 A' 242 239 8.00      
16 A" 3053 3019 16.10      
17 A" 2956 2923 5.76      
18 A" 1440 1423 7.93      
19 A" 1232 1218 0.30      
20 A" 1098 1086 0.75      
21 A" 868 859 1.63      
22 A" 634 627 4.16      
23 A" 219 216 0.44      
24 A" 133 132 1.79      

Unscaled Zero Point Vibrational Energy (zpe) 17880.3 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 17680.1 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-pVTZ
ABC
0.55918 0.19287 0.15140

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.460 0.475 0.000
C2 0.000 0.908 0.000
C3 -0.998 -0.222 0.000
O4 -0.715 -1.404 0.000
H5 2.126 1.347 0.000
H6 1.688 -0.136 0.883
H7 1.688 -0.136 -0.883
H8 -0.244 1.543 0.872
H9 -0.244 1.543 -0.872
H10 -2.071 0.104 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52272.55432.87351.09761.09761.09762.19192.19193.5505
C21.52271.50702.41912.17082.17222.17221.10581.10582.2215
C32.55431.50701.21513.49542.82872.82872.10742.10741.1221
O42.87352.41911.21513.95422.85702.85703.10833.10832.0282
H51.09762.17083.49543.95421.78051.78052.53292.53294.3772
H61.09762.17222.82872.85701.78051.76642.55963.10343.8693
H71.09762.17222.82872.85701.78051.76643.10342.55963.8693
H82.19191.10582.10743.10832.53292.55963.10341.74342.4832
H92.19191.10582.10743.10832.53293.10342.55961.74342.4832
H103.55052.22151.12212.02824.37723.86933.86932.48322.4832

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.937 C1 C2 H8 112.026
C1 C2 H9 112.026 C2 C1 H5 110.838
C2 C1 H6 110.951 C2 C1 H7 110.951
C2 C3 O4 125.085 C2 C3 H10 114.550
C3 C2 H8 106.514 C3 C2 H9 106.514
O4 C3 H10 120.365 H5 C1 H6 108.407
H5 C1 H7 108.407 H6 C1 H7 107.158
H8 C2 H9 104.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.589      
2 C -0.109      
3 C -0.012      
4 O -0.549      
5 H 0.189      
6 H 0.196      
7 H 0.196      
8 H 0.178      
9 H 0.178      
10 H 0.323      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.092 2.699 0.000 2.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.693 -1.573 0.000
y -1.573 -28.871 0.000
z 0.000 0.000 -24.615
Traceless
 xyz
x 2.050 -1.573 0.000
y -1.573 -4.217 0.000
z 0.000 0.000 2.167
Polar
3z2-r24.333
x2-y24.178
xy-1.573
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.346 0.068 0.000
y 0.068 7.299 0.000
z 0.000 0.000 5.296


<r2> (average value of r2) Å2
<r2> 85.803
(<r2>)1/2 9.263