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All results from a given calculation for C3H2O (Propadienal)

using model chemistry: HF/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes CS (bent) 1A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at HF/daug-cc-pVDZ
 hartrees
Energy at 0K-189.563735
Energy at 298.15K 
HF Energy-189.563735
Nuclear repulsion energy89.196677
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 HF/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 A1 3259 2972 29.93 167.86 0.10 0.19
2 A1 2458 2242 1777.37 96.74 0.49 0.66
3 A1 1930 1760 63.73 16.16 0.04 0.08
4 A1 1583 1443 2.88 9.15 0.59 0.74
5 A1 990 903 5.40 69.64 0.15 0.26
6 B1 1157 1055 24.11 6.42 0.75 0.86
7 B1 713 650 35.78 0.99 0.75 0.86
8 B1 220 201 1.26 3.44 0.75 0.86
9 B2 3343 3049 4.62 114.01 0.75 0.86
10 B2 1139 1039 4.92 0.01 0.75 0.86
11 B2 534 487 17.43 5.19 0.75 0.86
12 B2 106i 96i 19.33 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8609.7 cm-1
Scaled (by 0.912) Zero Point Vibrational Energy (zpe) 7852.0 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 HF/daug-cc-pVDZ
ABC
9.85541 0.14135 0.13936

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.862
C2 0.000 0.000 -0.551
C3 0.000 0.000 0.723
O4 0.000 0.000 1.875
H5 0.000 0.921 -2.433
H6 0.000 -0.921 -2.433

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.31042.58463.73701.08391.0839
C21.31041.27412.42652.09502.0950
C32.58461.27411.15243.28743.2874
O43.73702.42651.15244.40554.4055
H51.08392.09503.28744.40551.8424
H61.08392.09503.28744.40551.8424

picture of Propadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 180.000 C2 C1 H5 121.799
C2 C1 H6 121.799 C2 C3 O4 180.000
H5 C1 H6 116.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.714      
2 C -0.346      
3 C 1.098      
4 O -0.699      
5 H -0.384      
6 H -0.384      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.130 3.130
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.227 0.000 0.000
y 0.000 -22.840 0.000
z 0.000 0.000 -22.208
Traceless
 xyz
x -0.702 0.000 0.000
y 0.000 -0.123 0.000
z 0.000 0.000 0.825
Polar
3z2-r21.650
x2-y2-0.387
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.810 0.000 0.000
y 0.000 4.149 0.000
z 0.000 0.000 11.147


<r2> (average value of r2) Å2
<r2> 81.636
(<r2>)1/2 9.035

Conformer 2 (CS (bent))

Jump to S1C1
Energy calculated at HF/daug-cc-pVDZ
 hartrees
Energy at 0K-189.564363
Energy at 298.15K 
HF Energy-189.564363
Nuclear repulsion energy89.488605
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 HF/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' 3346 3052 6.11 100.75 0.72 0.84
2 A' 3260 2973 33.09 133.86 0.11 0.19
3 A' 2352 2145 1885.49 87.95 0.51 0.67
4 A' 1899 1732 9.21 35.69 0.17 0.28
5 A' 1589 1449 2.32 12.83 0.61 0.76
6 A' 1144 1043 47.02 2.92 0.09 0.16
7 A' 1006 917 5.34 56.59 0.09 0.16
8 A' 579 528 32.12 7.09 0.75 0.86
9 A' 121 110 45.79 6.63 0.74 0.85
10 A" 1162 1060 23.76 6.23 0.75 0.86
11 A" 769 702 27.09 1.21 0.75 0.86
12 A" 294 268 2.23 4.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8759.9 cm-1
Scaled (by 0.912) Zero Point Vibrational Energy (zpe) 7989.0 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 HF/daug-cc-pVDZ
ABC
5.11292 0.14862 0.14443

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.016 -1.493 0.000
C2 0.000 -0.653 0.000
C3 -0.360 0.597 0.000
O4 -0.855 1.628 0.000
H5 2.048 -1.162 0.000
H6 0.858 -2.565 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.31852.50283.63881.08441.0828
C21.31851.30082.43562.11092.0957
C32.50281.30081.14322.98303.3885
O43.63882.43561.14324.02674.5290
H51.08442.11092.98304.02671.8392
H61.08282.09573.38854.52901.8392

picture of Propadienal state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 145.694 C2 C1 H5 122.623
C2 C1 H6 121.246 C2 C3 O4 170.467
H5 C1 H6 116.131
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.189      
2 C -0.645      
3 C 0.965      
4 O -0.602      
5 H -0.446      
6 H -0.461      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.116 -1.629 0.000 2.671
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.177 -1.035 0.000
y -1.035 -23.346 0.000
z 0.000 0.000 -23.429
Traceless
 xyz
x 1.210 -1.035 0.000
y -1.035 -0.543 0.000
z 0.000 0.000 -0.667
Polar
3z2-r2-1.334
x2-y21.168
xy-1.035
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.098 -2.646 0.000
y -2.646 9.098 0.000
z 0.000 0.000 3.879


<r2> (average value of r2) Å2
<r2> 79.308
(<r2>)1/2 8.906