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All results from a given calculation for C3H4O2 (propanedial)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-267.152103
Energy at 298.15K-267.156328
HF Energy-267.152103
Nuclear repulsion energy157.595599
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 wB97X-D/cc-pVTZ
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 3107 2970 2.71      
2 A 3039 2906 1.99      
3 A 2964 2833 61.55      
4 A 2928 2799 111.03      
5 A 1863 1781 135.66      
6 A 1850 1769 210.90      
7 A 1454 1390 3.40      
8 A 1434 1371 11.39      
9 A 1416 1354 30.10      
10 A 1333 1274 34.15      
11 A 1232 1178 5.21      
12 A 1107 1059 11.64      
13 A 1082 1034 50.47      
14 A 935 894 10.68      
15 A 873 835 7.48      
16 A 696 666 7.17      
17 A 655 626 5.18      
18 A 465 445 12.26      
19 A 247 237 13.71      
20 A 106 101 0.72      
21 A 72 69 11.87      

Unscaled Zero Point Vibrational Energy (zpe) 14429.6 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 13794.7 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 wB97X-D/cc-pVTZ
ABC
0.48717 0.10364 0.09028

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.009 0.854 0.096
C2 -1.396 0.328 -0.087
C3 1.044 -0.230 0.306
O4 -1.688 -0.834 -0.072
O5 2.085 -0.263 -0.285
H6 0.005 1.513 0.972
H7 0.289 1.473 -0.758
H8 -2.164 1.106 -0.261
H9 0.760 -1.025 1.017

Atom - Atom Distances (Å)
  C1 C2 C3 O4 O5 H6 H7 H8 H9
C11.51081.51352.39912.38801.09601.09152.21582.2229
C21.51082.53321.19773.53602.11822.14481.10722.7738
C31.51352.53322.82361.19722.13562.14523.52061.1037
O42.39911.19772.82363.82223.07623.11452.00602.6865
O52.38803.53601.19723.82223.00962.54214.46372.0078
H61.09602.11822.13563.07623.00961.75362.52742.6476
H71.09152.14482.14523.11452.54211.75362.52913.1001
H82.21581.10723.52062.00604.46372.52742.52913.8367
H92.22292.77381.10372.68652.00782.64763.10013.8367

picture of propanedial state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 124.287 C1 C2 H8 114.764
C1 C3 O5 123.092 C1 C3 H9 115.391
C2 C1 C3 113.780 C2 C1 H6 107.630
C2 C1 H7 109.970 C3 C1 H6 108.794
C3 C1 H7 109.813 O4 C2 H8 120.938
O5 C3 H9 121.472 H6 C1 H7 106.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.140      
2 C 0.126      
3 C 0.152      
4 O -0.248      
5 O -0.249      
6 H 0.103      
7 H 0.110      
8 H 0.075      
9 H 0.070      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.373 2.785 1.143 3.308
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.896 -3.075 1.824
y -3.075 -28.223 -0.449
z 1.824 -0.449 -27.165
Traceless
 xyz
x -9.202 -3.075 1.824
y -3.075 3.807 -0.449
z 1.824 -0.449 5.394
Polar
3z2-r210.788
x2-y2-8.673
xy-3.075
xz1.824
yz-0.449


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.731 -0.132 -0.297
y -0.132 6.019 -0.300
z -0.297 -0.300 4.519


<r2> (average value of r2) Å2
<r2> 122.607
(<r2>)1/2 11.073