return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-61.540931
Energy at 298.15K 
HF Energy-61.540931
Nuclear repulsion energy97.829972
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-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' 3656 3540 44.15      
2 A' 3642 3527 29.10      
3 A' 3066 2969 33.22      
4 A' 1679 1626 223.34      
5 A' 1494 1446 19.40      
6 A' 1437 1392 10.22      
7 A' 1313 1272 92.75      
8 A' 1268 1228 54.10      
9 A' 1109 1074 118.21      
10 A' 1036 1003 248.90      
11 A' 845 818 32.89      
12 A' 611 591 13.48      
13 A' 445 431 34.96      
14 A' 259 251 9.04      
15 A" 3114 3016 23.85      
16 A" 1214 1176 1.57      
17 A" 1041 1008 1.77      
18 A" 626 606 203.28      
19 A" 499 484 10.67      
20 A" 240 233 113.25      
21 A" 51i 50i 54.37      

Unscaled Zero Point Vibrational Energy (zpe) 14271.1 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 13820.1 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-31G
ABC
0.33567 0.12774 0.09419

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.610 -0.880 0.000
C2 0.000 0.531 0.000
O3 -0.974 1.521 0.000
O4 1.228 0.772 0.000
O5 0.422 -1.902 0.000
H6 -1.247 -0.990 0.895
H7 -1.247 -0.990 -0.895
H8 1.316 -1.479 0.000
H9 -0.571 2.424 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.53702.42842.47161.45311.10381.10382.01683.3042
C21.53701.38921.25162.46932.16052.16052.40181.9775
O32.42841.38922.32633.69712.67942.67943.77380.9889
O42.47161.25162.32632.79283.16723.16722.25232.4427
O51.45312.46933.69712.79282.10262.10260.98844.4388
H61.10382.16052.67943.16722.10261.78962.75823.5932
H71.10382.16052.67943.16722.10261.78962.75823.5932
H82.01682.40183.77382.25230.98842.75822.75824.3348
H93.30421.97750.98892.44274.43883.59323.59324.3348

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 112.074 C1 C2 O4 124.505
C1 O5 H8 109.926 C2 C1 O5 111.312
C2 C1 H6 108.686 C2 C1 H7 108.686
C2 O3 H9 111.410 O3 C2 O4 123.420
O5 C1 H6 109.884 O5 C1 H7 109.884
H6 C1 H7 108.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.127      
2 C -0.151      
3 O -0.305      
4 O -0.120      
5 O -0.423      
6 H 0.191      
7 H 0.191      
8 H 0.352      
9 H 0.392      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.400 2.274 0.000 2.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.664 -0.805 0.000
y -0.805 -30.312 0.000
z 0.000 0.000 -28.528
Traceless
 xyz
x -2.245 -0.805 0.000
y -0.805 -0.216 0.000
z 0.000 0.000 2.460
Polar
3z2-r24.921
x2-y2-1.352
xy-0.805
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.418 -0.140 0.000
y -0.140 5.342 0.000
z 0.000 0.000 2.774


<r2> (average value of r2) Å2
<r2> 96.328
(<r2>)1/2 9.815