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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS cis 2A'
1 2 yes CS trans 2A'

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-93.939617
Energy at 298.15K-93.940880
HF Energy-93.939617
Nuclear repulsion energy27.787697
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 B3LYP/LANL2DZ
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' 3341 3212 1.87      
2 A' 3000 2884 45.10      
3 A' 1818 1747 25.17      
4 A' 967 929 68.37      
5 A' 809 777 245.99      
6 A" 919 883 7.60      

Unscaled Zero Point Vibrational Energy (zpe) 5426.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 5216.0 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 B3LYP/LANL2DZ
ABC
14.81435 1.23296 1.13823

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.104 0.655 0.000
N2 0.104 -0.588 0.000
H3 -0.668 1.442 0.000
H4 -0.685 -1.253 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24331.10282.0640
N21.24332.17261.0310
H31.10282.17262.6949
H42.06401.03102.6949

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 130.099 H3 C1 N2 135.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.205      
2 N -0.269      
3 H 0.208      
4 H 0.267      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.677 0.110 0.000 2.679
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.562 0.547 0.000
y 0.547 -10.657 0.000
z 0.000 0.000 -12.664
Traceless
 xyz
x -0.901 0.547 0.000
y 0.547 1.956 0.000
z 0.000 0.000 -1.055
Polar
3z2-r2-2.110
x2-y2-1.905
xy0.547
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.657 0.194 0.000
y 0.194 4.135 0.000
z 0.000 0.000 1.209


<r2> (average value of r2) Å2
<r2> 17.172
(<r2>)1/2 4.144

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-93.948558
Energy at 298.15K-93.949894
HF Energy-93.948558
Nuclear repulsion energy27.695093
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 B3LYP/LANL2DZ
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' 3469 3334 4.65      
2 A' 3079 2960 27.64      
3 A' 1743 1675 22.82      
4 A' 1175 1129 10.32      
5 A' 903 868 260.73      
6 A" 992 954 156.80      

Unscaled Zero Point Vibrational Energy (zpe) 5679.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 5459.5 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 B3LYP/LANL2DZ
ABC
14.50278 1.23413 1.13734

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 0.665 0.000
N2 -0.002 -0.592 0.000
H3 0.893 1.304 0.000
H4 -0.863 -1.152 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25731.09922.0108
N21.25732.09621.0266
H31.09922.09623.0185
H42.01081.02663.0185

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 123.073 H3 C1 N2 125.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.212      
2 N -0.277      
3 H 0.204      
4 H 0.286      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.460 0.026 0.000 0.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.476 3.738 0.000
y 3.738 -11.373 0.000
z 0.000 0.000 -12.720
Traceless
 xyz
x 0.570 3.738 0.000
y 3.738 0.726 0.000
z 0.000 0.000 -1.296
Polar
3z2-r2-2.592
x2-y2-0.104
xy3.738
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.075 0.288 0.000
y 0.288 3.912 0.000
z 0.000 0.000 1.230


<r2> (average value of r2) Å2
<r2> 17.082
(<r2>)1/2 4.133