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All results from a given calculation for CHOCH2OH (hydroxy acetaldehyde)

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS H in 1A'
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-227.864037
Energy at 298.15K-227.868993
HF Energy-227.864037
Nuclear repulsion energy120.650836
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 HF/daug-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' 4099 3708 90.34      
2 A' 3146 2846 88.66      
3 A' 3112 2815 36.24      
4 A' 1988 1799 216.23      
5 A' 1610 1457 10.36      
6 A' 1573 1423 40.15      
7 A' 1516 1372 20.88      
8 A' 1391 1258 60.18      
9 A' 1244 1125 99.46      
10 A' 930 841 47.38      
11 A' 817 739 21.38      
12 A' 304 275 22.39      
13 A" 3160 2859 29.46      
14 A" 1375 1244 0.41      
15 A" 1229 1112 0.24      
16 A" 804 728 0.41      
17 A" 350 317 104.62      
18 A" 189 171 12.33      

Unscaled Zero Point Vibrational Energy (zpe) 14418.8 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 13043.2 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 HF/daug-cc-pVTZ
ABC
0.64141 0.21758 0.16743

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -0.921 0.000
C2 -0.914 0.272 0.000
O3 1.336 -0.572 0.000
O4 -0.518 1.387 0.000
H5 1.408 0.370 0.000
H6 -0.243 -1.523 0.874
H7 -0.243 -1.523 -0.874
H8 -1.985 0.049 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50331.38092.36481.91011.08841.08842.2094
C21.50332.40341.18272.32452.10642.10641.0939
O31.38092.40342.69640.94402.03972.03973.3786
O42.36481.18272.69642.17793.05003.05001.9855
H51.91012.32450.94402.17792.65892.65893.4085
H61.08842.10642.03973.05002.65891.74752.5040
H71.08842.10642.03973.05002.65891.74752.5040
H82.20941.09393.37861.98553.40852.50402.5040

picture of hydroxy acetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 122.946 C1 C2 H8 115.681
C1 O3 H5 109.037 C2 C1 O3 112.810
C2 C1 H6 107.656 C2 C1 H7 107.656
O3 C1 H6 110.831 O3 C1 H7 110.831
O4 C2 H8 121.373 H6 C1 H7 106.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.232      
2 C -0.315      
3 O -1.095      
4 O -1.182      
5 H 0.299      
6 H 0.650      
7 H 0.650      
8 H 0.761      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.033 -1.676 0.000 2.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.871 4.236 0.000
y 4.236 -26.853 0.000
z 0.000 0.000 -23.116
Traceless
 xyz
x 1.113 4.236 0.000
y 4.236 -3.359 0.000
z 0.000 0.000 2.245
Polar
3z2-r24.491
x2-y22.982
xy4.236
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.832 0.180 0.000
y 0.180 5.224 0.000
z 0.000 0.000 3.669


<r2> (average value of r2) Å2
<r2> 72.684
(<r2>)1/2 8.525