return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for AsH (Arsenic monohydride)

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
2 1 yes C*V 1Σ

State 1 (3Σ)

Jump to S2C1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-2225.705036
Energy at 298.15K 
HF Energy-2225.705036
Nuclear repulsion energy11.105107
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 BLYP/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 Σ 1963 1952 213.03      

Unscaled Zero Point Vibrational Energy (zpe) 981.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 976.1 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 BLYP/3-21G
B
6.85535

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.046
H2 0.000 0.000 -1.526

Atom - Atom Distances (Å)
  As1 H2
As11.5725
H21.5725

picture of Arsenic monohydride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.089      
2 H -0.089      


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 -0.289 0.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.821 0.000 0.000
y 0.000 -18.821 0.000
z 0.000 0.000 -19.265
Traceless
 xyz
x 0.222 0.000 0.000
y 0.000 0.222 0.000
z 0.000 0.000 -0.444
Polar
3z2-r2-0.887
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.793 0.000 0.000
y 0.000 1.793 0.000
z 0.000 0.000 3.621


<r2> (average value of r2) Å2
<r2> 14.248
(<r2>)1/2 3.775

State 2 (1Σ)

Jump to S1C1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-2225.655608
Energy at 298.15K-2225.653915
HF Energy-2225.655608
Nuclear repulsion energy11.113279
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 BLYP/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 Σ 1976 1966 205.82      

Unscaled Zero Point Vibrational Energy (zpe) 988.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 982.7 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 BLYP/3-21G
B
6.86545

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
As1 0.000 0.000 0.046
H2 0.000 0.000 -1.525

Atom - Atom Distances (Å)
  As1 H2
As11.5714
H21.5714

picture of Arsenic monohydride state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 As 0.086      
2 H -0.086      


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 -0.308 0.308
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.007 0.000 0.000
y 0.000 -23.036 0.000
z 0.000 0.000 -19.297
Traceless
 xyz
x 6.160 0.000 0.000
y 0.000 -5.884 0.000
z 0.000 0.000 -0.275
Polar
3z2-r2-0.550
x2-y28.029
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.793 0.000 0.000
y 0.000 1.793 0.000
z 0.000 0.000 3.621


<r2> (average value of r2) Å2
<r2> 14.334
(<r2>)1/2 3.786