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All results from a given calculation for CH3CHO (Acetaldehyde)

using model chemistry: B97D3/daug-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 B97D3/daug-cc-pVDZ
 hartrees
Energy at 0K-153.762765
Energy at 298.15K-153.766636
HF Energy-153.762765
Nuclear repulsion energy69.185541
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 B97D3/daug-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' 3101 3101 13.88 47.10 0.70 0.82
2 A' 2969 2969 3.91 208.60 0.01 0.01
3 A' 2795 2795 153.27 195.27 0.30 0.46
4 A' 1747 1747 188.22 13.05 0.52 0.68
5 A' 1404 1404 20.88 11.47 0.50 0.67
6 A' 1380 1380 8.56 2.49 0.43 0.60
7 A' 1319 1319 25.96 3.16 0.73 0.84
8 A' 1096 1096 23.78 3.21 0.20 0.33
9 A' 866 866 9.49 6.49 0.41 0.58
10 A' 497 497 11.52 1.39 0.28 0.44
11 A" 3037 3037 9.56 65.90 0.75 0.86
12 A" 1414 1414 9.24 4.11 0.75 0.86
13 A" 1090 1090 0.02 1.58 0.75 0.86
14 A" 744 744 1.17 4.00 0.75 0.86
15 A" 154 154 0.83 1.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11806.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11806.2 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 B97D3/daug-cc-pVDZ
ABC
1.87866 0.33399 0.29948

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.461 0.000
C2 -0.940 -0.719 0.000
O3 1.215 0.383 0.000
H4 -0.502 1.467 0.000
H5 -0.385 -1.667 0.000
H6 -1.599 -0.659 0.885
H7 -1.599 -0.659 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.50861.21781.12402.16272.14322.1432
C21.50862.42012.22941.09861.10481.1048
O31.21782.42012.03092.59993.12813.1281
H41.12402.22942.03093.13622.55072.5507
H52.16271.09862.59993.13621.80911.8091
H62.14321.10483.12812.55071.80911.7696
H72.14321.10483.12812.55071.80911.7696

picture of Acetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.121 C1 C2 H6 109.211
C1 C2 H7 109.211 C2 C1 O3 124.819
C2 C1 H4 114.959 O3 C1 H4 120.221
H5 C2 H6 110.374 H5 C2 H7 110.374
H6 C2 H7 106.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.617      
2 C 1.115      
3 O -0.552      
4 H -0.549      
5 H -0.337      
6 H -0.147      
7 H -0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.780 -0.363 0.000 2.803
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.329 -0.700 0.000
y -0.700 -18.164 0.000
z 0.000 0.000 -18.029
Traceless
 xyz
x -3.232 -0.700 0.000
y -0.700 1.515 0.000
z 0.000 0.000 1.717
Polar
3z2-r23.434
x2-y2-3.165
xy-0.700
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.775 0.239 0.000
y 0.239 5.015 0.000
z 0.000 0.000 3.740


<r2> (average value of r2) Å2
<r2> 47.513
(<r2>)1/2 6.893