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All results from a given calculation for C3H2O (Propadienal)

using model chemistry: PBE1PBE/6-31+G**

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 PBE1PBE/6-31+G**
 hartrees
Energy at 0K-190.442231
Energy at 298.15K 
HF Energy-190.442231
Nuclear repulsion energy88.228795
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 PBE1PBE/6-31+G**
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 3112 2973 26.50 209.66 0.13 0.23
2 A1 2355 2250 987.48 50.10 0.47 0.64
3 A1 1822 1740 37.80 2.35 0.51 0.68
4 A1 1481 1415 2.72 14.27 0.64 0.78
5 A1 943 901 6.51 49.08 0.21 0.34
6 B1 1026 980 28.81 1.62 0.75 0.86
7 B1 681 650 26.38 0.90 0.75 0.86
8 B1 237 226 0.42 2.51 0.75 0.86
9 B2 3188 3046 6.44 143.25 0.75 0.86
10 B2 1064 1016 1.60 0.16 0.75 0.86
11 B2 466 445 14.45 2.32 0.75 0.86
12 B2 52 49 19.48 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8212.9 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 7845.7 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 PBE1PBE/6-31+G**
ABC
9.75489 0.13860 0.13665

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.876
C2 0.000 0.000 -0.558
C3 0.000 0.000 0.721
O4 0.000 0.000 1.899
H5 0.000 0.926 -2.455
H6 0.000 -0.926 -2.455

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.31812.59703.77571.09181.0918
C21.31811.27892.45762.11062.1106
C32.59701.27891.17873.30783.3078
O43.77572.45761.17874.45164.4516
H51.09182.11063.30784.45161.8519
H61.09182.11063.30784.45161.8519

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 121.998
C2 C1 H6 121.998 C2 C3 O4 180.000
H5 C1 H6 116.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.254      
2 C 0.847      
3 C -0.439      
4 O -0.524      
5 H 0.185      
6 H 0.185      


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 -2.932 2.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.895 0.000 0.000
y 0.000 -22.589 0.000
z 0.000 0.000 -21.999
Traceless
 xyz
x -0.601 0.000 0.000
y 0.000 -0.142 0.000
z 0.000 0.000 0.743
Polar
3z2-r21.486
x2-y2-0.306
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.668 0.000 0.000
y 0.000 3.291 0.000
z 0.000 0.000 11.119


<r2> (average value of r2) Å2
<r2> 82.788
(<r2>)1/2 9.099

Conformer 2 (CS (bent))

Jump to S1C1
Energy calculated at PBE1PBE/6-31+G**
 hartrees
Energy at 0K-190.442412
Energy at 298.15K 
HF Energy-190.442412
Nuclear repulsion energy88.379823
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 PBE1PBE/6-31+G**
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' 3204 3061 5.16 124.25 0.71 0.83
2 A' 3120 2980 24.89 172.31 0.15 0.26
3 A' 2279 2178 1002.35 53.96 0.52 0.68
4 A' 1801 1720 17.22 4.96 0.21 0.34
5 A' 1485 1419 0.92 15.07 0.66 0.80
6 A' 1065 1017 14.03 5.74 0.07 0.14
7 A' 961 918 4.13 44.66 0.14 0.24
8 A' 472 451 11.72 6.36 0.48 0.65
9 A' 122 117 25.26 8.72 0.64 0.78
10 A" 1028 982 29.60 2.06 0.75 0.86
11 A" 694 663 18.81 1.92 0.75 0.86
12 A" 262 250 0.99 3.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8247.0 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 7878.3 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 PBE1PBE/6-31+G**
ABC
6.00707 0.14330 0.13996

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.891 -1.609 0.000
C2 0.000 -0.628 0.000
C3 -0.301 0.633 0.000
O4 -0.761 1.713 0.000
H5 1.968 -1.428 0.000
H6 0.581 -2.654 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.32542.53963.71081.09201.0897
C21.32541.29682.46222.12452.1076
C32.53961.29681.17423.06573.4035
O43.71082.46221.17424.16174.5690
H51.09202.12453.06574.16171.8508
H61.08972.10763.40354.56901.8508

picture of Propadienal state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 151.168 C2 C1 H5 122.714
C2 C1 H6 121.232 C2 C3 O4 170.327
H5 C1 H6 116.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.258      
2 C 0.302      
3 C 0.003      
4 O -0.412      
5 H 0.183      
6 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.861 -2.007 0.000 2.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.118 -0.900 0.000
y -0.900 -22.779 0.000
z 0.000 0.000 -22.977
Traceless
 xyz
x 0.759 -0.900 0.000
y -0.900 -0.231 0.000
z 0.000 0.000 -0.529
Polar
3z2-r2-1.057
x2-y20.660
xy-0.900
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.116 -2.710 0.000
y -2.710 9.513 0.000
z 0.000 0.000 2.929


<r2> (average value of r2) Å2
<r2> 81.167
(<r2>)1/2 9.009