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All results from a given calculation for C3H2O (Propadienal)

using model chemistry: PBE1PBE/aug-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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-190.457610
Energy at 298.15K 
HF Energy-190.457610
Nuclear repulsion energy88.164385
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/aug-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 3099 2980 29.39 232.04 0.10 0.19
2 A1 2351 2261 1005.58 48.42 0.51 0.68
3 A1 1815 1745 41.48 2.44 0.44 0.61
4 A1 1461 1405 1.94 11.55 0.55 0.71
5 A1 938 902 6.43 52.00 0.16 0.28
6 B1 1026 987 24.81 1.53 0.75 0.86
7 B1 631 606 18.43 0.18 0.75 0.86
8 B1 205 198 0.63 2.03 0.75 0.86
9 B2 3180 3058 5.43 142.04 0.75 0.86
10 B2 1046 1006 2.08 0.00 0.75 0.86
11 B2 445 428 6.70 2.87 0.75 0.86
12 B2 170i 163i 15.75 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8013.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 7705.7 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/aug-cc-pVDZ
ABC
9.67329 0.13837 0.13642

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.878
C2 0.000 0.000 -0.558
C3 0.000 0.000 0.724
O4 0.000 0.000 1.900
H5 0.000 0.930 -2.459
H6 0.000 -0.930 -2.459

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.32042.60213.77801.09631.0963
C21.32041.28172.45762.11642.1164
C32.60211.28171.17593.31593.3159
O43.77802.45761.17594.45684.4568
H51.09632.11643.31594.45681.8597
H61.09632.11643.31594.45681.8597

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 121.989
C2 C1 H6 121.989 C2 C3 O4 180.000
H5 C1 H6 116.023
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.360      
2 C 0.308      
3 C 0.320      
4 O -0.430      
5 H -0.279      
6 H -0.279      


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 -2.828 2.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.848 0.000 0.000
y 0.000 -22.615 0.000
z 0.000 0.000 -21.933
Traceless
 xyz
x -0.574 0.000 0.000
y 0.000 -0.224 0.000
z 0.000 0.000 0.798
Polar
3z2-r21.597
x2-y2-0.233
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.690 0.000 0.000
y 0.000 4.188 0.000
z 0.000 0.000 11.312


<r2> (average value of r2) Å2
<r2> 82.904
(<r2>)1/2 9.105

Conformer 2 (CS (bent))

Jump to S1C1
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-190.459005
Energy at 298.15K 
HF Energy-190.459005
Nuclear repulsion energy88.444463
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/aug-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' 3198 3075 4.94 117.38 0.72 0.83
2 A' 3110 2991 27.39 181.81 0.11 0.19
3 A' 2249 2162 1018.25 54.86 0.53 0.70
4 A' 1781 1713 10.07 6.33 0.18 0.30
5 A' 1464 1408 1.15 11.82 0.60 0.75
6 A' 1060 1020 21.43 4.92 0.02 0.04
7 A' 962 925 3.27 41.75 0.11 0.20
8 A' 507 488 12.39 4.50 0.75 0.86
9 A' 167 160 23.39 5.88 0.72 0.84
10 A" 1033 993 24.68 1.75 0.75 0.86
11 A" 702 675 12.07 0.33 0.75 0.86
12 A" 270 260 1.58 2.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8251.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 7934.7 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/aug-cc-pVDZ
ABC
5.08959 0.14548 0.14144

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.018 -1.512 0.000
C2 0.000 -0.657 0.000
C3 -0.347 0.602 0.000
O4 -0.868 1.649 0.000
H5 2.065 -1.187 0.000
H6 0.850 -2.594 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.32932.51643.68071.09621.0944
C21.32931.30612.46392.13182.1148
C32.51641.30611.16933.00293.4123
O43.68072.46391.16934.07964.5770
H51.09622.13183.00294.07961.8584
H61.09442.11483.41234.57701.8584

picture of Propadienal state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 145.428 C2 C1 H5 122.728
C2 C1 H6 121.206 C2 C3 O4 168.944
H5 C1 H6 116.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.319      
2 C 0.467      
3 C 0.262      
4 O -0.382      
5 H -0.354      
6 H -0.312      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.906 -1.622 0.000 2.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.002 -0.924 0.000
y -0.924 -22.922 0.000
z 0.000 0.000 -23.016
Traceless
 xyz
x 0.967 -0.924 0.000
y -0.924 -0.413 0.000
z 0.000 0.000 -0.554
Polar
3z2-r2-1.108
x2-y20.920
xy-0.924
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.101 -2.674 0.000
y -2.674 9.262 0.000
z 0.000 0.000 3.792


<r2> (average value of r2) Å2
<r2> 80.463
(<r2>)1/2 8.970