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

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-303.960639
Energy at 298.15K-303.966264
HF Energy-303.960639
Nuclear repulsion energy180.524606
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/6-31G*
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 3747 3561 68.04      
2 A 3714 3530 79.23      
3 A 3071 2919 23.61      
4 A 3043 2892 28.41      
5 A 1876 1783 277.98      
6 A 1527 1451 4.38      
7 A 1512 1437 18.92      
8 A 1397 1328 167.60      
9 A 1322 1257 19.24      
10 A 1258 1196 0.81      
11 A 1217 1157 138.69      
12 A 1165 1108 211.50      
13 A 1054 1002 1.61      
14 A 882 838 42.98      
15 A 681 647 145.47      
16 A 660 627 19.32      
17 A 511 486 3.63      
18 A 480 456 29.11      
19 A 329 313 82.89      
20 A 290 275 8.82      
21 A 74 70 14.68      

Unscaled Zero Point Vibrational Energy (zpe) 14905.0 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 14164.2 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 PBE1PBE/6-31G*
ABC
0.35938 0.13687 0.10099

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.742 -0.749 0.004
C2 0.512 0.091 0.000
O3 1.633 -0.636 -0.002
O4 0.490 1.301 0.001
O5 -1.875 0.059 -0.005
H6 -0.714 -1.412 -0.875
H7 -0.714 -1.400 0.891
H8 -1.546 0.975 0.007
H9 2.374 -0.006 -0.003

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.50892.37752.39181.39231.10051.10091.90253.2035
C21.50891.33651.21032.38692.12732.12612.23971.8654
O32.37751.33652.24933.57642.62132.62533.56410.9728
O42.39181.21032.24932.67113.09463.08852.06222.2937
O51.39232.38693.57642.67112.06642.06870.97264.2500
H61.10052.12732.62133.09462.06641.76572.67693.5033
H71.10092.12612.62533.08852.06871.76572.66713.5048
H81.90252.23973.56412.06220.97262.67692.66714.0417
H93.20351.86540.97282.29374.25003.50333.50484.0417

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 113.206 C1 C2 O4 122.807
C1 O5 H8 105.747 C2 C1 O5 110.652
C2 C1 H6 108.205 C2 C1 H7 108.091
C2 O3 H9 106.699 O3 C2 O4 123.987
O5 C1 H6 111.446 O5 C1 H7 111.609
H6 C1 H7 106.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 C 0.540      
3 O -0.567      
4 O -0.472      
5 O -0.635      
6 H 0.198      
7 H 0.197      
8 H 0.429      
9 H 0.436      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.326 -0.768 0.023 2.450
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.214 -0.023 -0.052
y -0.023 -30.064 0.014
z -0.052 0.014 -27.924
Traceless
 xyz
x 0.780 -0.023 -0.052
y -0.023 -1.994 0.014
z -0.052 0.014 1.214
Polar
3z2-r22.429
x2-y21.850
xy-0.023
xz-0.052
yz0.014


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.072 -0.108 -0.001
y -0.108 5.073 0.000
z -0.001 0.000 2.972


<r2> (average value of r2) Å2
<r2> 109.937
(<r2>)1/2 10.485