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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-93.941234
Energy at 298.15K-93.942486
HF Energy-93.941234
Nuclear repulsion energy27.898394
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/6-31+G**
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' 3163 3146 7.56      
2 A' 2870 2855 63.89      
3 A' 1795 1785 30.16      
4 A' 956 951 112.07      
5 A' 830 825 142.09      
6 A" 847 842 5.54      

Unscaled Zero Point Vibrational Energy (zpe) 5229.9 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 5202.2 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/6-31+G**
ABC
12.86532 1.27120 1.15689

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.112 0.647 0.000
N2 0.112 -0.590 0.000
H3 -0.692 1.413 0.000
H4 -0.759 -1.159 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23691.11012.0044
N21.23692.15811.0395
H31.11012.15812.5726
H42.00441.03952.5726

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 123.174 H3 C1 N2 133.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.099      
2 N -0.310      
3 H 0.138      
4 H 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.390 0.251 0.000 2.403
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.748 0.635 0.000
y 0.635 -11.602 0.000
z 0.000 0.000 -13.071
Traceless
 xyz
x -0.412 0.635 0.000
y 0.635 1.308 0.000
z 0.000 0.000 -0.896
Polar
3z2-r2-1.792
x2-y2-1.146
xy0.635
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.623 0.119 0.000
y 0.119 4.737 0.000
z 0.000 0.000 1.853


<r2> (average value of r2) Å2
<r2> 17.293
(<r2>)1/2 4.159

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at BLYP/6-31+G**
 hartrees
Energy at 0K-93.950063
Energy at 298.15K-93.951387
HF Energy-93.950063
Nuclear repulsion energy27.823482
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/6-31+G**
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' 3322 3305 3.94      
2 A' 2941 2925 26.64      
3 A' 1730 1721 27.31      
4 A' 1169 1162 12.42      
5 A' 886 881 208.00      
6 A" 943 938 124.23      

Unscaled Zero Point Vibrational Energy (zpe) 5495.3 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 5466.1 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/6-31+G**
ABC
13.26998 1.26530 1.15516

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.659 0.000
N2 -0.001 -0.590 0.000
H3 0.920 1.272 0.000
H4 -0.904 -1.091 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24901.10711.9690
N21.24902.07821.0322
H31.10712.07822.9857
H41.96901.03222.9857

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.042 H3 C1 N2 123.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.093      
2 N -0.338      
3 H 0.145      
4 H 0.287      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.460 0.052 0.000 0.463
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.775 3.469 0.000
y 3.469 -12.098 0.000
z 0.000 0.000 -13.159
Traceless
 xyz
x 0.854 3.469 0.000
y 3.469 0.369 0.000
z 0.000 0.000 -1.222
Polar
3z2-r2-2.445
x2-y20.324
xy3.469
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.773 0.133 0.000
y 0.133 4.527 0.000
z 0.000 0.000 2.004


<r2> (average value of r2) Å2
<r2> 17.226
(<r2>)1/2 4.150