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All results from a given calculation for C3H2O (Propadienal)

using model chemistry: HSEh1PBE/STO-3G

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 HSEh1PBE/STO-3G
 hartrees
Energy at 0K-187.982436
Energy at 298.15K 
HF Energy-187.982436
Nuclear repulsion energy86.881735
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 HSEh1PBE/STO-3G
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 3348 2957 6.14 88.31 0.13 0.23
2 A1 2449 2163 375.30 24.52 0.33 0.49
3 A1 1886 1665 5.73 1.39 0.75 0.85
4 A1 1610 1422 0.58 23.74 0.68 0.81
5 A1 966 853 0.52 25.47 0.31 0.47
6 B1 1031 910 13.51 0.00 0.75 0.86
7 B1 631 557 7.30 2.69 0.75 0.86
8 B1 231 204 0.00 1.86 0.75 0.86
9 B2 3477 3071 0.10 69.32 0.75 0.86
10 B2 1141 1008 0.82 0.00 0.75 0.86
11 B2 378 333 8.27 0.61 0.75 0.86
12 B2 64i 57i 10.11 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8540.9 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 7542.5 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 HSEh1PBE/STO-3G
ABC
9.70648 0.13491 0.13306

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.891
C2 0.000 0.000 -0.572
C3 0.000 0.000 0.711
O4 0.000 0.000 1.937
H5 0.000 0.928 -2.490
H6 0.000 -0.928 -2.490

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.31902.60203.82791.10481.1048
C21.31901.28302.50892.13102.1310
C32.60201.28301.22593.33313.3331
O43.82792.50891.22594.52344.5234
H51.10482.13103.33314.52341.8565
H61.10482.13103.33314.52341.8565

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 122.842
C2 C1 H6 122.842 C2 C3 O4 180.000
H5 C1 H6 114.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 C -0.091      
3 C 0.135      
4 O -0.118      
5 H 0.097      
6 H 0.097      


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 -1.492 1.492
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.276 0.000 0.000
y 0.000 -20.294 0.000
z 0.000 0.000 -19.851
Traceless
 xyz
x -0.203 0.000 0.000
y 0.000 -0.231 0.000
z 0.000 0.000 0.434
Polar
3z2-r20.868
x2-y20.018
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.642 0.000 0.000
y 0.000 1.122 0.000
z 0.000 0.000 7.250


<r2> (average value of r2) Å2
<r2> 83.170
(<r2>)1/2 9.120

Conformer 2 (CS (bent))

Jump to S1C1
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-187.982492
Energy at 298.15K 
HF Energy-187.982492
Nuclear repulsion energy86.901909
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 HSEh1PBE/STO-3G
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' 3484 3077 0.26 67.91 0.73 0.84
2 A' 3351 2960 6.93 83.29 0.13 0.23
3 A' 2409 2127 359.69 25.78 0.33 0.50
4 A' 1881 1661 8.79 1.21 0.69 0.82
5 A' 1607 1419 0.96 23.78 0.68 0.81
6 A' 1136 1004 3.05 0.47 0.15 0.26
7 A' 970 857 0.28 23.93 0.28 0.44
8 A' 388 342 8.19 0.98 0.64 0.78
9 A' 88 77 10.38 1.30 0.75 0.86
10 A" 1029 909 13.92 0.05 0.75 0.86
11 A" 655 578 6.03 3.10 0.75 0.86
12 A" 240 212 0.18 2.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8618.5 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 7611.0 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 HSEh1PBE/STO-3G
ABC
8.15800 0.13626 0.13402

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.535 -1.802 0.000
C2 0.000 -0.594 0.000
C3 -0.159 0.687 0.000
O4 -0.476 1.870 0.000
H5 1.626 -1.981 0.000
H6 -0.078 -2.720 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6
C11.32142.58403.80851.10521.1035
C21.32141.29072.50922.13702.1274
C32.58401.29071.22453.20983.4079
O43.80852.50921.22454.38684.6070
H51.10522.13703.20984.38681.8567
H61.10352.12743.40794.60701.8567

picture of Propadienal state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 163.181 C2 C1 H5 123.200
C2 C1 H6 122.388 C2 C3 O4 172.076
H5 C1 H6 114.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.123      
2 C -0.093      
3 C 0.137      
4 O -0.117      
5 H 0.096      
6 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.668 -1.304 0.000 1.465
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.180 -0.393 0.000
y -0.393 -20.036 0.000
z 0.000 0.000 -20.290
Traceless
 xyz
x -0.017 -0.393 0.000
y -0.393 0.199 0.000
z 0.000 0.000 -0.182
Polar
3z2-r2-0.364
x2-y2-0.144
xy-0.393
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.565 -1.440 0.000
y -1.440 6.801 0.000
z 0.000 0.000 0.657


<r2> (average value of r2) Å2
<r2> 82.652
(<r2>)1/2 9.091