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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-93.960998
Energy at 298.15K-93.962268
HF Energy-93.960998
Nuclear repulsion energy28.030259
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/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' 3120 3108 21.50      
2 A' 2839 2828 72.96      
3 A' 1800 1793 17.28      
4 A' 956 952 159.14      
5 A' 864 860 92.48      
6 A" 865 861 4.74      

Unscaled Zero Point Vibrational Energy (zpe) 5221.6 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 5201.2 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 BLYP/6-311G**
ABC
12.86573 1.28581 1.16898

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.112 0.642 0.000
N2 0.112 -0.587 0.000
H3 -0.687 1.411 0.000
H4 -0.763 -1.149 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22921.10871.9930
N21.22922.15191.0394
H31.10872.15192.5611
H41.99301.03942.5611

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 122.709 H3 C1 N2 133.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.034      
2 N -0.266      
3 H 0.111      
4 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.140 0.182 0.000 2.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.259 0.522 0.000
y 0.522 -11.279 0.000
z 0.000 0.000 -12.622
Traceless
 xyz
x -0.308 0.522 0.000
y 0.522 1.161 0.000
z 0.000 0.000 -0.853
Polar
3z2-r2-1.706
x2-y2-0.980
xy0.522
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.274 0.112 0.000
y 0.112 4.209 0.000
z 0.000 0.000 1.451


<r2> (average value of r2) Å2
<r2> 16.942
(<r2>)1/2 4.116

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-93.968599
Energy at 298.15K-93.969932
HF Energy-93.968599
Nuclear repulsion energy27.932854
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/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' 3284 3271 0.97      
2 A' 2897 2885 38.74      
3 A' 1732 1725 17.32      
4 A' 1179 1174 9.88      
5 A' 902 899 200.56      
6 A" 950 946 112.03      

Unscaled Zero Point Vibrational Energy (zpe) 5471.5 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 5450.1 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/6-311G**
ABC
13.17597 1.27889 1.16574

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.655 0.000
N2 -0.001 -0.588 0.000
H3 0.922 1.265 0.000
H4 -0.907 -1.081 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24271.10661.9581
N21.24272.07001.0317
H31.10662.07002.9748
H41.95811.03172.9748

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.548 H3 C1 N2 123.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.070      
2 N -0.263      
3 H 0.125      
4 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.432 -0.018 0.000 0.432
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.315 3.062 0.000
y 3.062 -11.676 0.000
z 0.000 0.000 -12.659
Traceless
 xyz
x 0.852 3.062 0.000
y 3.062 0.311 0.000
z 0.000 0.000 -1.164
Polar
3z2-r2-2.327
x2-y20.361
xy3.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.454 0.525 0.000
y 0.525 3.843 0.000
z 0.000 0.000 1.534


<r2> (average value of r2) Å2
<r2> 16.856
(<r2>)1/2 4.106