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

using model chemistry: B3LYPultrafine_cp_opt/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_cp_opt/aug-cc-pVTZ
 hartrees
Energy at 0K-266.315022
Energy at 298.15K-266.318366
Nuclear repulsion energy70.131529
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_cp_opt/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 3773 105.09      
2 A 3776 3663 34.84      
3 A 3719 3608 67.47      
4 A 3076 2983 12.03      
5 A 1815 1760 362.75      
6 A 1626 1577 107.74      
7 A 1407 1365 7.03      
8 A 1283 1244 3.03      
9 A 1104 1071 276.37      
10 A 1059 1027 2.09      
11 A 659 639 140.65      
12 A 628 609 34.19      
13 A 318 308 60.73      
14 A 261 253 132.25      
15 A 119 116 2.58      
16 A 58 56 20.66      
17 A 53 51 27.09      
18 A 16 16 103.06      

Unscaled Zero Point Vibrational Energy (zpe) 12432.4 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 12059.4 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_cp_opt/aug-cc-pVTZ
ABC
0.71326 0.09061 0.08040

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.919 0.488 -0.001
O2 2.420 -0.336 -0.013
O3 -0.257 0.913 0.002
H4 3.344 -0.085 0.068
H5 -0.953 1.589 -0.014
C6 -0.859 -0.301 0.008
O7 -2.044 -0.464 -0.004
H8 -0.099 -1.088 0.024

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.96402.21741.53683.07572.88804.07612.5600
O20.96402.95390.96113.88303.27914.46582.6284
O32.21742.95393.73710.97001.35452.25592.0066
H41.53680.96113.73714.61154.20895.40183.5858
H53.07573.88300.97004.61151.89172.32482.8094
C62.88803.27911.35454.20891.89171.19641.0944
O74.07614.46582.25595.40182.32481.19642.0432
H82.56002.62842.00663.58582.80941.09442.0432

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 105.934 H1 O3 H5 146.857
H1 O3 C6 105.337 O2 H1 O3 132.331
O3 C6 O7 124.228 O3 C6 H8 109.593
H5 O3 C6 107.793 O7 C6 H8 126.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.256      
4 H 0.000      
5 H 0.183      
6 C 0.062      
7 O -0.467      
8 H 0.478      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.822 2.379 0.154 3.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.971 -0.639 0.538
y -0.639 -21.352 -0.072
z 0.538 -0.072 -24.940
Traceless
 xyz
x -1.825 -0.639 0.538
y -0.639 3.603 -0.072
z 0.538 -0.072 -1.778
Polar
3z2-r2-3.557
x2-y2-3.618
xy-0.639
xz0.538
yz-0.072


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.931 0.247 0.005
y 0.247 3.763 -0.004
z 0.005 -0.004 2.417


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