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All results from a given calculation for HOCH2COOH (Hydroxyacetic acid)

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-300.963394
Energy at 298.15K-300.969123
HF Energy-300.963394
Nuclear repulsion energy179.795955
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/3-21G*
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' 3866 3490 90.98      
2 A' 3844 3469 58.86      
3 A' 3233 2918 13.22      
4 A' 1950 1761 261.20      
5 A' 1671 1508 15.45      
6 A' 1576 1423 20.64      
7 A' 1469 1326 96.93      
8 A' 1413 1275 80.32      
9 A' 1237 1116 230.34      
10 A' 1149 1037 173.89      
11 A' 900 813 45.95      
12 A' 694 626 30.86      
13 A' 497 449 31.82      
14 A' 286 258 8.98      
15 A" 3265 2947 17.56      
16 A" 1354 1222 0.15      
17 A" 1155 1043 4.09      
18 A" 692 624 229.95      
19 A" 550 496 29.70      
20 A" 301 272 118.84      
21 A" 89 80 32.69      

Unscaled Zero Point Vibrational Energy (zpe) 15594.6 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 14075.7 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 HF/3-21G*
ABC
0.35685 0.13561 0.10007

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.601 -0.860 0.000
C2 0.000 0.518 0.000
O3 -0.944 1.476 0.000
O4 1.183 0.741 0.000
O5 0.429 -1.843 0.000
H6 -1.229 -0.957 0.876
H7 -1.229 -0.957 -0.876
H8 1.293 -1.403 0.000
H9 -0.573 2.371 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.50342.36022.39761.42421.08181.08181.97103.2306
C21.50341.34451.20432.39962.11022.11022.31621.9393
O32.36021.34452.25083.59112.60062.60063.64600.9690
O42.39761.20432.25082.69173.07743.07742.14742.3963
O51.42422.39963.59112.69172.07422.07420.96924.3311
H61.08182.11022.60063.07742.07421.75122.70723.5026
H71.08182.11022.60063.07742.07421.75122.70723.5026
H81.97102.31623.64602.14740.96922.70722.70724.2105
H93.23061.93930.96902.39634.33113.50263.50264.2105

picture of Hydroxyacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 111.816 C1 C2 O4 124.248
C1 O5 H8 109.403 C2 C1 O5 110.068
C2 C1 H6 108.317 C2 C1 H7 108.317
C2 O3 H9 112.901 O3 C2 O4 123.937
O5 C1 H6 110.988 O5 C1 H7 110.988
H6 C1 H7 108.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.123      
2 C 0.801      
3 O -0.714      
4 O -0.607      
5 O -0.691      
6 H 0.252      
7 H 0.252      
8 H 0.406      
9 H 0.424      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.286 2.347 0.000 2.676
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.121 -0.505 0.000
y -0.505 -29.473 0.000
z 0.000 0.000 -27.751
Traceless
 xyz
x -2.509 -0.505 0.000
y -0.505 -0.037 0.000
z 0.000 0.000 2.546
Polar
3z2-r25.092
x2-y2-1.648
xy-0.505
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.419 -0.082 0.000
y -0.082 3.925 0.000
z 0.000 0.000 2.197


<r2> (average value of r2) Å2
<r2> 111.370
(<r2>)1/2 10.553