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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: LSDA/6-31G

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 LSDA/6-31G
 hartrees
Energy at 0K-93.391601
Energy at 298.15K-93.392873
HF Energy-93.391601
Nuclear repulsion energy27.931668
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 LSDA/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' 3189 3124 20.08      
2 A' 2903 2844 65.34      
3 A' 1865 1828 20.09      
4 A' 935 916 81.78      
5 A' 859 842 220.39      
6 A" 907 889 16.31      

Unscaled Zero Point Vibrational Energy (zpe) 5329.1 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 5220.9 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 LSDA/6-31G
ABC
14.65360 1.25162 1.15313

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.105 0.650 0.000
N2 0.105 -0.580 0.000
H3 -0.686 1.432 0.000
H4 -0.674 -1.269 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23001.11202.0706
N21.23002.16161.0396
H31.11202.16162.7003
H42.07061.03962.7003

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 131.483 H3 C1 N2 134.666
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 N -0.437      
3 H 0.154      
4 H 0.305      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.450 -0.108 0.000 2.453
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.462 0.613 0.000
y 0.613 -10.609 0.000
z 0.000 0.000 -12.455
Traceless
 xyz
x -0.931 0.613 0.000
y 0.613 1.849 0.000
z 0.000 0.000 -0.919
Polar
3z2-r2-1.837
x2-y2-1.853
xy0.613
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.815 0.080 0.000
y 0.080 4.227 0.000
z 0.000 0.000 1.096


<r2> (average value of r2) Å2
<r2> 17.013
(<r2>)1/2 4.125

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-93.398703
Energy at 298.15K-93.400034
HF Energy-93.398703
Nuclear repulsion energy27.841824
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 LSDA/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' 3345 3277 0.16      
2 A' 2982 2922 31.89      
3 A' 1788 1752 14.59      
4 A' 1145 1121 8.88      
5 A' 900 882 235.84      
6 A" 973 953 140.33      

Unscaled Zero Point Vibrational Energy (zpe) 5566.7 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 5453.7 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 LSDA/6-31G
ABC
14.30828 1.25422 1.15314

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 0.660 0.000
N2 -0.004 -0.584 0.000
H3 0.910 1.288 0.000
H4 -0.861 -1.161 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24431.10842.0128
N21.24432.08281.0333
H31.10842.08283.0218
H42.01281.03333.0218

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 123.928 H3 C1 N2 124.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 N -0.439      
3 H 0.171      
4 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.543 -0.167 0.000 0.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.310 3.536 0.000
y 3.536 -11.268 0.000
z 0.000 0.000 -12.501
Traceless
 xyz
x 0.575 3.536 0.000
y 3.536 0.637 0.000
z 0.000 0.000 -1.212
Polar
3z2-r2-2.424
x2-y2-0.042
xy3.536
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.110 0.590 0.000
y 0.590 3.730 0.000
z 0.000 0.000 1.117


<r2> (average value of r2) Å2
<r2> 16.882
(<r2>)1/2 4.109