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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: LSDA/6-311G**

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/6-311G**
 hartrees
Energy at 0K-93.455615
Energy at 298.15K-93.456881
HF Energy-93.455615
Nuclear repulsion energy28.220947
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/6-311G**
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' 3183 3144 12.83      
2 A' 2875 2840 50.88      
3 A' 1874 1851 20.41      
4 A' 933 922 162.85      
5 A' 847 837 101.20      
6 A" 882 871 6.38      

Unscaled Zero Point Vibrational Energy (zpe) 5297.1 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 5231.9 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/6-311G**
ABC
13.09848 1.30338 1.18543

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.637 0.000
N2 0.111 -0.580 0.000
H3 -0.692 1.404 0.000
H4 -0.746 -1.167 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.21661.11071.9968
N21.21662.14041.0383
H31.11072.14042.5720
H41.99681.03832.5720

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 124.443 H3 C1 N2 133.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.064      
2 N -0.294      
3 H 0.144      
4 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.265 0.060 0.000 2.266
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.278 0.464 0.000
y 0.464 -11.058 0.000
z 0.000 0.000 -12.662
Traceless
 xyz
x -0.418 0.464 0.000
y 0.464 1.412 0.000
z 0.000 0.000 -0.994
Polar
3z2-r2-1.988
x2-y2-1.220
xy0.464
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.260 0.106 0.000
y 0.106 4.189 0.000
z 0.000 0.000 1.462


<r2> (average value of r2) Å2
<r2> 16.810
(<r2>)1/2 4.100

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at LSDA/6-311G**
 hartrees
Energy at 0K-93.462656
Energy at 298.15K-93.463980
HF Energy-93.462656
Nuclear repulsion energy28.136241
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/6-311G**
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' 3329 3288 5.97      
2 A' 2925 2889 22.48      
3 A' 1811 1789 18.31      
4 A' 1137 1123 8.21      
5 A' 880 869 211.93      
6 A" 949 937 119.49      

Unscaled Zero Point Vibrational Energy (zpe) 5515.1 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 5447.2 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/6-311G**
ABC
13.45728 1.29792 1.18375

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 0.648 0.000
N2 -0.002 -0.581 0.000
H3 0.919 1.266 0.000
H4 -0.899 -1.091 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22881.10891.9565
N21.22882.06361.0318
H31.10892.06362.9763
H41.95651.03182.9763

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.621 H3 C1 N2 123.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.104      
2 N -0.289      
3 H 0.159      
4 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.418 -0.092 0.000 0.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.252 3.290 0.000
y 3.290 -11.539 0.000
z 0.000 0.000 -12.707
Traceless
 xyz
x 0.871 3.290 0.000
y 3.290 0.440 0.000
z 0.000 0.000 -1.311
Polar
3z2-r2-2.622
x2-y20.287
xy3.290
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.420 0.512 0.000
y 0.512 3.795 0.000
z 0.000 0.000 1.530


<r2> (average value of r2) Å2
<r2> 16.716
(<r2>)1/2 4.088