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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-93.422927
Energy at 298.15K-93.424191
HF Energy-93.422927
Nuclear repulsion energy28.082142
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' 3180 3121 13.56      
2 A' 2900 2846 58.44      
3 A' 1884 1849 21.04      
4 A' 952 934 138.05      
5 A' 859 842 126.22      
6 A" 874 858 8.18      

Unscaled Zero Point Vibrational Energy (zpe) 5324.3 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 5224.7 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
12.94173 1.29063 1.17359

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 0.111 0.641 0.000
N2 0.111 -0.584 0.000
H3 -0.696 1.407 0.000
H4 -0.750 -1.167 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22431.11302.0023
N21.22432.14801.0404
H31.11302.14802.5740
H42.00231.04042.5740

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 124.085 H3 C1 N2 133.494
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 -0.050      
2 N -0.446      
3 H 0.170      
4 H 0.327      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.223 0.097 0.000 2.225
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.005 0.599 0.000
y 0.599 -10.819 0.000
z 0.000 0.000 -12.434
Traceless
 xyz
x -0.379 0.599 0.000
y 0.599 1.401 0.000
z 0.000 0.000 -1.022
Polar
3z2-r2-2.045
x2-y2-1.186
xy0.599
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.004 0.071 0.000
y 0.071 3.991 0.000
z 0.000 0.000 1.204


<r2> (average value of r2) Å2
<r2> 16.737
(<r2>)1/2 4.091

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-93.430722
Energy at 298.15K-93.432048
HF Energy-93.430722
Nuclear repulsion energy28.005087
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' 3323 3261 1.90      
2 A' 2955 2900 30.35      
3 A' 1819 1785 17.93      
4 A' 1166 1144 9.46      
5 A' 896 879 209.01      
6 A" 954 937 110.78      

Unscaled Zero Point Vibrational Energy (zpe) 5557.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 5453.0 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 LSDA/6-31G*
ABC
13.15946 1.28794 1.17312

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 -0.002 0.652 0.000
N2 -0.002 -0.584 0.000
H3 0.928 1.260 0.000
H4 -0.905 -1.087 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23661.11091.9600
N21.23662.06541.0341
H31.11092.06542.9783
H41.96001.03412.9783

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.086 H3 C1 N2 123.158
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 -0.086      
2 N -0.442      
3 H 0.183      
4 H 0.344      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.505 -0.056 0.000 0.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.022 3.165 0.000
y 3.165 -11.362 0.000
z 0.000 0.000 -12.475
Traceless
 xyz
x 0.897 3.165 0.000
y 3.165 0.386 0.000
z 0.000 0.000 -1.283
Polar
3z2-r2-2.567
x2-y20.340
xy3.165
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.240 0.617 0.000
y 0.617 3.635 0.000
z 0.000 0.000 1.236


<r2> (average value of r2) Å2
<r2> 16.650
(<r2>)1/2 4.080