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

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-132.968728
Energy at 298.15K-132.973190
Nuclear repulsion energy11.877432
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' 3801 3641 28.45      
2 A' 3579 3429 1.92      
3 A' 3515 3368 468.33      
4 A' 3450 3305 3.02      
5 A' 1768 1694 46.78      
6 A' 1716 1644 38.34      
7 A' 1177 1127 169.73      
8 A' 481 461 106.66      
9 A' 222 212 35.03      
10 A' 183 175 35.56      
11 A" 3581 3431 1.18      
12 A" 1722 1650 20.12      
13 A" 744 712 170.40      
14 A" 195 186 54.54      
15 A" 22 21 71.51      

Unscaled Zero Point Vibrational Energy (zpe) 13077.1 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 12527.9 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
4.90863 0.20961 0.20768

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.047 0.585 0.000
O2 0.037 1.564 0.000
N3 0.037 -1.383 0.000
H4 -0.880 1.873 0.000
H5 1.041 -1.561 0.000
H6 -0.338 -1.864 0.816
H7 -0.338 -1.864 -0.816

Atom - Atom Distances (Å)
  H1 O2 N3 H4 H5 H6 H7
H10.98281.96981.53392.40592.59772.5977
O20.98282.94720.96783.28233.54393.5439
N31.96982.94723.38281.01931.01901.0190
H41.53390.96783.38283.93473.86343.8634
H52.40593.28231.01933.93471.63061.6306
H62.59773.54391.01903.86341.63061.6328
H72.59773.54391.01903.86341.63061.6328

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 103.692 H1 N3 H5 102.503
H1 N3 H6 117.117 H1 N3 H7 117.117
O2 H1 N3 172.627 H5 N3 H6 106.256
H5 N3 H7 106.256 H6 N3 H7 106.481
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 N -0.891      
4 H 0.000      
5 H 0.297      
6 H 0.297      
7 H 0.297      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.238 -3.922 0.000 4.112
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.447 -3.472 0.000
y -3.472 -11.733 0.000
z 0.000 0.000 -13.254
Traceless
 xyz
x 1.047 -3.472 0.000
y -3.472 0.617 0.000
z 0.000 0.000 -1.664
Polar
3z2-r2-3.328
x2-y20.287
xy-3.472
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.394 0.110 0.000
y 0.110 0.854 0.000
z 0.000 0.000 1.418


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