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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: B97D3/6-31G*

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 B97D3/6-31G*
 hartrees
Energy at 0K-93.896995
Energy at 298.15K-93.898276
HF Energy-93.896995
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3193 3131 10.62      
2 A' 2915 2858 72.34      
3 A' 1818 1782 20.45      
4 A' 1002 982 138.63      
5 A' 889 871 101.35      
6 A" 873 856 6.03      

Unscaled Zero Point Vibrational Energy (zpe) 5344.5 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 5239.8 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 B97D3/6-31G*
ABC
12.57235 1.28339 1.16451

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.113 0.643 0.000
N2 0.113 -0.592 0.000
H3 -0.688 1.408 0.000
H4 -0.778 -1.120 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23521.10761.9756
N21.23522.15481.0358
H31.10762.15482.5302
H41.97561.03582.5302

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.608 H3 C1 N2 133.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 N -0.452      
3 H 0.151      
4 H 0.309      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.150 0.348 0.000 2.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.837 0.719 0.000
y 0.719 -10.991 0.000
z 0.000 0.000 -12.357
Traceless
 xyz
x -0.163 0.719 0.000
y 0.719 1.105 0.000
z 0.000 0.000 -0.943
Polar
3z2-r2-1.886
x2-y2-0.845
xy0.719
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.989 0.049 0.000
y 0.049 3.879 0.000
z 0.000 0.000 1.196


<r2> (average value of r2) Å2
<r2> 16.744
(<r2>)1/2 4.092

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-93.905547
Energy at 298.15K-93.906886
HF Energy-93.905547
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3320 3255 1.29      
2 A' 2966 2908 44.48      
3 A' 1755 1721 19.42      
4 A' 1219 1195 11.99      
5 A' 921 903 200.19      
6 A" 965 947 105.22      

Unscaled Zero Point Vibrational Energy (zpe) 5573.4 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 5464.1 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 B97D3/6-31G*
ABC
12.89847 1.27784 1.16266

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.657 0.000
N2 -0.001 -0.590 0.000
H3 0.928 1.257 0.000
H4 -0.916 -1.064 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24711.10581.9485
N21.24712.06761.0299
H31.10582.06762.9637
H41.94851.02992.9637

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.909 H3 C1 N2 123.099
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.046      
2 N -0.443      
3 H 0.165      
4 H 0.324      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.536 0.120 0.000 0.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.984 2.966 0.000
y 2.966 -11.402 0.000
z 0.000 0.000 -12.394
Traceless
 xyz
x 0.913 2.966 0.000
y 2.966 0.287 0.000
z 0.000 0.000 -1.201
Polar
3z2-r2-2.402
x2-y20.417
xy2.966
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.239 0.561 0.000
y 0.561 3.659 0.000
z 0.000 0.000 1.243


<r2> (average value of r2) Å2
<r2> 16.679
(<r2>)1/2 4.084