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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-61.550906
Energy at 298.15K 
HF Energy-61.550906
Nuclear repulsion energy98.188545
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3620 3528 38.74      
2 A' 3602 3510 26.88      
3 A' 3022 2945 26.47      
4 A' 1677 1634 237.51      
5 A' 1505 1467 19.28      
6 A' 1439 1403 13.43      
7 A' 1315 1281 94.75      
8 A' 1273 1241 46.79      
9 A' 1111 1082 109.76      
10 A' 1038 1012 264.21      
11 A' 839 818 33.06      
12 A' 610 594 15.01      
13 A' 445 434 34.67      
14 A' 259 253 9.25      
15 A" 3068 2990 21.65      
16 A" 1222 1191 1.59      
17 A" 1042 1015 0.82      
18 A" 629 613 196.01      
19 A" 500 487 7.53      
20 A" 255 248 112.97      
21 A" 54i 53i 43.87      

Unscaled Zero Point Vibrational Energy (zpe) 14208.2 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 13845.9 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 B3LYP/CEP-121G
ABC
0.33872 0.12869 0.09493

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.617 -0.873 0.000
C2 0.000 0.527 0.000
O3 -0.959 1.528 0.000
O4 1.229 0.752 0.000
O5 0.411 -1.895 0.000
H6 -1.253 -0.979 0.889
H7 -1.253 -0.979 -0.889
H8 1.299 -1.472 0.000
H9 -0.543 2.421 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.52912.42522.45881.45011.09801.09802.00763.2942
C21.52911.38651.24922.45672.15082.15082.38371.9703
O32.42521.38652.32083.68762.67632.67633.75490.9845
O42.45881.24922.32082.77103.15353.15352.22522.4333
O51.45012.45673.68762.77102.09742.09740.98404.4202
H61.09802.15082.67633.15352.09741.77712.74723.5849
H71.09802.15082.67633.15352.09741.77712.74723.5849
H82.00762.38373.75492.22520.98402.74722.74724.3063
H93.29421.97030.98452.43334.42023.58493.58494.3063

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 112.476 C1 C2 O4 124.193
C1 O5 H8 109.649 C2 C1 O5 111.067
C2 C1 H6 108.799 C2 C1 H7 108.799
C2 O3 H9 111.269 O3 C2 O4 123.331
O5 C1 H6 110.031 O5 C1 H7 110.031
H6 C1 H7 108.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.193      
2 C 0.047      
3 O -0.344      
4 O -0.173      
5 O -0.459      
6 H 0.186      
7 H 0.186      
8 H 0.363      
9 H 0.388      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.287 2.264 0.000 2.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.720 -0.672 0.000
y -0.672 -30.238 0.000
z 0.000 0.000 -28.713
Traceless
 xyz
x -2.244 -0.672 0.000
y -0.672 -0.022 0.000
z 0.000 0.000 2.266
Polar
3z2-r24.531
x2-y2-1.482
xy-0.672
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.719 -0.176 0.000
y -0.176 5.499 0.000
z 0.000 0.000 3.185


<r2> (average value of r2) Å2
<r2> 95.749
(<r2>)1/2 9.785