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All results from a given calculation for NH2BHNH2 (diaminoborane)

using model chemistry: B2PLYP=FULLultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/cc-pVTZ
 hartrees
Energy at 0K-137.397808
Energy at 298.15K 
HF Energy-137.210897
Nuclear repulsion energy68.840065
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 B2PLYP=FULLultrafine/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 A1 3740 3573 21.46 66.82 0.66 0.80
2 A1 3636 3474 4.33 226.84 0.10 0.19
3 A1 2625 2508 149.14 89.98 0.19 0.32
4 A1 1651 1577 24.54 3.29 0.67 0.81
5 A1 1200 1146 34.57 7.71 0.09 0.17
6 A1 932 890 2.57 7.23 0.15 0.27
7 A1 398 381 0.60 1.14 0.41 0.59
8 A2 460 439 0.00 0.02 0.75 0.86
9 A2 336 321 0.00 0.16 0.75 0.86
10 B1 938 896 9.21 0.43 0.75 0.86
11 B1 605 578 5.97 0.01 0.75 0.86
12 B1 379 362 372.39 0.01 0.75 0.86
13 B2 3741 3574 25.47 41.05 0.75 0.86
14 B2 3636 3474 42.70 3.23 0.75 0.86
15 B2 1650 1576 229.60 4.54 0.75 0.86
16 B2 1438 1374 204.76 0.84 0.75 0.86
17 B2 1108 1059 2.26 3.40 0.75 0.86
18 B2 827 790 0.14 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14649.7 cm-1
Scaled (by 0.9554) Zero Point Vibrational Energy (zpe) 13996.4 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 B2PLYP=FULLultrafine/cc-pVTZ
ABC
1.78518 0.30277 0.25887

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.498
H2 0.000 0.000 1.689
N3 0.000 1.240 -0.176
N4 0.000 -1.240 -0.176
H5 0.000 2.111 0.317
H6 0.000 1.343 -1.174
H7 0.000 -2.111 0.317
H8 0.000 -1.343 -1.174

Atom - Atom Distances (Å)
  B1 H2 N3 N4 H5 H6 H7 H8
B11.19141.41111.41112.11882.14422.11882.1442
H21.19142.23972.23972.51803.16232.51803.1623
N31.41112.23972.47991.00081.00323.38712.7690
N41.41112.23972.47993.38712.76901.00081.0032
H52.11882.51801.00083.38711.67694.22223.7619
H62.14423.16231.00322.76901.67693.76192.6859
H72.11882.51803.38711.00084.22223.76191.6769
H82.14423.16232.76901.00323.76192.68591.6769

picture of diaminoborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 N3 H5 121.992 B1 N3 H6 124.407
B1 N4 H7 121.992 B1 N4 H8 124.407
H2 B1 N3 118.515 H2 B1 N4 118.515
N3 B1 N4 122.970 H5 N3 H6 113.601
H7 N4 H8 113.601
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.037      
2 H -0.027      
3 N -0.322      
4 N -0.322      
5 H 0.168      
6 H 0.149      
7 H 0.168      
8 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.376 1.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.207 0.000 0.000
y 0.000 -13.894 0.000
z 0.000 0.000 -17.840
Traceless
 xyz
x -6.339 0.000 0.000
y 0.000 6.129 0.000
z 0.000 0.000 0.210
Polar
3z2-r20.420
x2-y2-8.312
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.406 0.000 0.000
y 0.000 5.549 0.000
z 0.000 0.000 4.673


<r2> (average value of r2) Å2
<r2> 52.759
(<r2>)1/2 7.264