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All results from a given calculation for H2OHCOOH (Water formic acid dimer 1)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-266.315129
Energy at 298.15K-266.318494
Counterpoise corrected energy-266.315022
CP Energy at 298.15K-266.318366
Counterpoise optimized geometry corrected energy 
CP opt. Energy at 298.15K 
Nuclear repulsion energy116.194168
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 B3LYPultrafine/aug-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 3889 3762 104.76      
2 A 3776 3653 35.24      
3 A 3719 3598 67.55      
4 A 3076 2976 11.87      
5 A 1815 1756 362.48      
6 A 1626 1573 108.75      
7 A 1407 1361 7.10      
8 A 1283 1241 3.04      
9 A 1104 1068 276.28      
10 A 1059 1025 2.06      
11 A 658 637 140.22      
12 A 628 607 34.19      
13 A 317 307 58.82      
14 A 263 254 135.25      
15 A 121 117 2.40      
16 A 58 56 15.10      
17 A 55 53 35.24      
18 A 23 22 99.82      

Unscaled Zero Point Vibrational Energy (zpe) 12437.4 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 12033.2 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.71167 0.09093 0.08063

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.916 0.488 -0.000
O2 2.415 -0.337 -0.005
O3 -0.257 0.914 0.001
H4 3.341 -0.085 0.025
H5 -0.953 1.589 -0.005
C6 -0.857 -0.300 0.003
O7 -2.042 -0.465 -0.001
H8 -0.095 -1.086 0.009

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96402.21351.53673.07282.88224.07042.5534
O20.96402.94950.96113.87953.27144.45802.6190
O32.21352.94953.73410.97001.35452.25582.0066
H41.53670.96113.73414.60934.20375.39663.5794
H53.07283.87950.97004.60931.89172.32482.8093
C62.88223.27141.35454.20371.89171.19641.0943
O74.07044.45802.25585.39662.32481.19642.0432
H82.55342.61902.00663.57942.80931.09432.0432

picture of Water formic acid dimer 1 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 105.929 H1 O3 H5 147.001
H1 O3 C6 105.203 O2 H1 O3 132.267
O3 C6 O7 124.224 O3 C6 H8 109.589
H5 O3 C6 107.794 O7 C6 H8 126.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.235      
2 O -0.369      
3 O -0.216      
4 H 0.143      
5 H 0.140      
6 C 0.054      
7 O -0.511      
8 H 0.524      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.829 2.383 0.057 3.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.914 -0.647 0.199
y -0.647 -21.360 -0.025
z 0.199 -0.025 -24.952
Traceless
 xyz
x -1.758 -0.647 0.199
y -0.647 3.573 -0.025
z 0.199 -0.025 -1.815
Polar
3z2-r2-3.629
x2-y2-3.554
xy-0.647
xz0.199
yz-0.025


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.920 0.238 0.008
y 0.238 4.935 -0.003
z 0.008 -0.003 3.665


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000