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All results from a given calculation for H2ONH3 (Water Ammonia Dimer)

using model chemistry: B3LYPultrafine_cp_opt/3-21G

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/3-21G
 hartrees
Energy at 0K-132.218460
Energy at 298.15K-132.223217
Nuclear repulsion energy11.799079
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/3-21G
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' 3519 3396 0.30      
2 A' 3486 3364 26.94      
3 A' 3376 3258 0.56      
4 A' 3084 2976 470.02      
5 A' 1769 1708 32.22      
6 A' 1743 1682 40.72      
7 A' 1005 970 264.66      
8 A' 574 554 121.19      
9 A' 268 258 40.18      
10 A' 236 228 20.49      
11 A" 3520 3397 0.04      
12 A" 1750 1689 19.93      
13 A" 884 853 224.76      
14 A" 255 246 37.85      
15 A" 6 6 78.70      

Unscaled Zero Point Vibrational Energy (zpe) 12737.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 12291.5 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/3-21G
ABC
4.61927 0.22092 0.21856

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine_cp_opt/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.007 0.507 0.000
O2 0.042 1.526 0.000
N3 0.042 -1.352 0.000
H4 -0.912 1.815 0.000
H5 1.051 -1.530 0.000
H6 -0.378 -1.766 0.837
H7 -0.378 -1.766 -0.837

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H11.02001.85971.59032.29482.45072.4507
O21.02002.87790.99623.21763.42263.4226
N31.85972.87793.30731.02441.02411.0241
H41.59030.99623.30733.87763.71613.7161
H52.29483.21761.02443.87761.67271.6727
H62.45073.42261.02413.71611.67271.6746
H72.45073.42261.02413.71611.67271.6746

picture of Water Ammonia Dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 O2 H4 104.136 H1 N3 H5 101.477
H1 N3 H6 113.170 H1 N3 H7 113.170
O2 H1 N3 175.768 H5 N3 H6 109.487
H5 N3 H7 109.487 H6 N3 H7 109.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine_cp_opt/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.000      
2 O 0.000      
3 N -0.756      
4 H 0.000      
5 H 0.252      
6 H 0.252      
7 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.333 -4.543 0.000 4.734
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.007 -3.305 0.000
y -3.305 -11.954 0.000
z 0.000 0.000 -12.619
Traceless
 xyz
x 1.279 -3.305 0.000
y -3.305 -0.141 0.000
z 0.000 0.000 -1.138
Polar
3z2-r2-2.277
x2-y20.947
xy-3.305
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.227 0.138 0.000
y 0.138 0.549 0.000
z 0.000 0.000 1.257


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