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

using model chemistry: B3LYPultrafine_cp_opt/6-31G*

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/6-31G*
 hartrees
Energy at 0K-266.168512
Energy at 298.15K-266.172026
Nuclear repulsion energy69.870403
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/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 3842 3681 48.00      
2 A 3719 3563 21.44      
3 A 3669 3515 45.67      
4 A 3121 2990 16.27      
5 A 1855 1777 296.82      
6 A 1717 1645 105.64      
7 A 1423 1363 8.48      
8 A 1307 1252 4.81      
9 A 1131 1083 256.00      
10 A 1063 1018 1.82      
11 A 695 666 162.74      
12 A 625 599 44.53      
13 A 361 346 154.04      
14 A 249 238 128.04      
15 A 126 121 8.94      
16 A 84 81 102.84      
17 A 59 57 5.29      
18 A 54 51 45.33      

Unscaled Zero Point Vibrational Energy (zpe) 12549.0 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 12022.0 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/6-31G*
ABC
0.68256 0.09218 0.08138

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.882 0.479 -0.039
O2 2.406 -0.338 -0.064
O3 -0.262 0.933 0.010
H4 3.244 -0.098 0.357
H5 -0.990 1.582 -0.059
C6 -0.838 -0.295 0.033
O7 -2.025 -0.487 -0.017
H8 -0.055 -1.061 0.104

Atom - Atom Distances (Å)
  H1 O2 O3 H4 H5 C6 O7 H8
H10.97042.19271.53123.07672.82944.02552.4789
O20.97042.95640.96803.90083.24594.43432.5706
O32.19272.95643.67140.97711.35702.26442.0071
H41.53120.96803.67144.57414.10005.29743.4463
H53.07673.90080.97714.57411.88532.31402.8079
C62.82943.24591.35704.10001.88531.20381.0976
O74.02554.43432.26445.29742.31401.20382.0559
H82.47892.57062.00713.44632.80791.09762.0559

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 104.350 H1 O3 H5 149.793
H1 O3 C6 103.175 O2 H1 O3 134.645
O3 C6 O7 124.217 O3 C6 H8 109.258
H5 O3 C6 106.612 O7 C6 H8 126.525
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 O -0.528      
4 H 0.000      
5 H 0.409      
6 C 0.369      
7 O -0.402      
8 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.510 2.615 0.790 3.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.160 -0.496 2.707
y -0.496 -20.717 -0.403
z 2.707 -0.403 -23.457
Traceless
 xyz
x -2.073 -0.496 2.707
y -0.496 3.091 -0.403
z 2.707 -0.403 -1.019
Polar
3z2-r2-2.037
x2-y2-3.443
xy-0.496
xz2.707
yz-0.403


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.001 0.131 0.002
y 0.131 2.947 0.004
z 0.002 0.004 1.311


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