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All results from a given calculation for C3H2O (Propadienal)

using model chemistry: mPW1PW91/6-311G**

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 mPW1PW91/6-311G**
 hartrees
Energy at 0K-190.651875
Energy at 298.15K 
HF Energy-190.651875
Nuclear repulsion energy88.719398
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 mPW1PW91/6-311G**
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 3095 2961 30.57 205.09 0.13 0.23
2 A1 2363 2261 968.14 33.38 0.37 0.55
3 A1 1824 1745 31.04 0.34 0.75 0.86
4 A1 1479 1415 2.20 15.09 0.57 0.72
5 A1 940 900 6.54 40.96 0.26 0.42
6 B1 1026 982 23.62 0.68 0.75 0.86
7 B1 666 637 28.58 1.33 0.75 0.86
8 B1 222 212 0.81 3.79 0.75 0.86
9 B2 3166 3029 10.02 134.21 0.75 0.86
10 B2 1065 1019 1.57 0.17 0.75 0.86
11 B2 483 462 16.50 2.35 0.75 0.86
12 B2 106i 102i 19.33 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8111.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7760.5 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 mPW1PW91/6-311G**
ABC
9.80163 0.14014 0.13817

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.867
C2 0.000 0.000 -0.554
C3 0.000 0.000 0.718
O4 0.000 0.000 1.888
H5 0.000 0.924 -2.444
H6 0.000 -0.924 -2.444

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.31262.58503.75421.08961.0896
C21.31261.27242.44162.10412.1041
C32.58501.27241.16923.29503.2950
O43.75422.44161.16924.42954.4295
H51.08962.10413.29504.42951.8474
H61.08962.10413.29504.42951.8474

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 122.030
C2 C1 H6 122.030 C2 C3 O4 180.000
H5 C1 H6 115.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 C -0.132      
3 C 0.199      
4 O -0.239      
5 H 0.155      
6 H 0.155      


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 -2.705 2.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.515 0.000 0.000
y 0.000 -22.298 0.000
z 0.000 0.000 -21.367
Traceless
 xyz
x -0.682 0.000 0.000
y 0.000 -0.357 0.000
z 0.000 0.000 1.039
Polar
3z2-r22.078
x2-y2-0.217
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.253 0.000 0.000
y 0.000 2.906 0.000
z 0.000 0.000 10.317


<r2> (average value of r2) Å2
<r2> 81.784
(<r2>)1/2 9.043

Conformer 2 (CS (bent))

Jump to S1C1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-190.652278
Energy at 298.15K 
HF Energy-190.652278
Nuclear repulsion energy88.874356
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 mPW1PW91/6-311G**
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' 3177 3040 9.56 124.96 0.70 0.83
2 A' 3100 2966 29.71 172.57 0.13 0.24
3 A' 2302 2203 982.23 37.02 0.40 0.57
4 A' 1805 1727 14.21 1.48 0.48 0.65
5 A' 1484 1419 1.02 15.51 0.58 0.74
6 A' 1069 1023 11.40 4.17 0.11 0.20
7 A' 956 915 4.39 35.69 0.22 0.36
8 A' 508 486 16.10 4.73 0.58 0.73
9 A' 127 121 22.10 5.71 0.72 0.84
10 A" 1030 986 23.90 0.86 0.75 0.86
11 A" 703 672 22.48 2.04 0.75 0.86
12 A" 260 249 0.53 4.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8260.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 7903.2 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 mPW1PW91/6-311G**
ABC
6.35577 0.14433 0.14112

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.841 -1.630 0.000
C2 0.000 -0.615 0.000
C3 -0.291 0.639 0.000
O4 -0.714 1.724 0.000
H5 1.923 -1.496 0.000
H6 0.490 -2.660 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.31812.53543.69701.08991.0880
C21.31811.28702.44582.11512.1024
C32.53541.28701.16503.07553.3894
O43.69702.44581.16504.16214.5461
H51.08992.11513.07554.16211.8458
H61.08802.10243.38944.54611.8458

picture of Propadienal state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 153.424 C2 C1 H5 122.609
C2 C1 H6 121.506 C2 C3 O4 171.801
H5 C1 H6 115.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.170      
2 C -0.204      
3 C 0.304      
4 O -0.232      
5 H 0.150      
6 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.639 -1.924 0.000 2.527
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.830 -0.912 0.000
y -0.912 -22.156 0.000
z 0.000 0.000 -22.587
Traceless
 xyz
x 0.541 -0.912 0.000
y -0.912 0.053 0.000
z 0.000 0.000 -0.594
Polar
3z2-r2-1.188
x2-y20.325
xy-0.912
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.416 -2.530 0.000
y -2.530 8.897 0.000
z 0.000 0.000 2.295


<r2> (average value of r2) Å2
<r2> 80.379
(<r2>)1/2 8.965