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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-93.962062
Energy at 298.15K-93.963352
HF Energy-93.962062
Nuclear repulsion energy28.145754
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 B3LYP/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' 3299 3170 5.54      
2 A' 2972 2855 57.09      
3 A' 1873 1800 26.21      
4 A' 1016 976 128.70      
5 A' 872 838 125.56      
6 A" 899 863 6.32      

Unscaled Zero Point Vibrational Energy (zpe) 5465.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 5251.2 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 B3LYP/6-31G**
ABC
12.93302 1.29628 1.17819

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.639 0.000
N2 0.111 -0.588 0.000
H3 -0.678 1.408 0.000
H4 -0.768 -1.124 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22651.10201.9700
N21.22652.14611.0297
H31.10202.14612.5339
H41.97001.02972.5339

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.400 H3 C1 N2 134.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.050      
2 N -0.421      
3 H 0.117      
4 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.145 0.365 0.000 2.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.895 0.712 0.000
y 0.712 -10.946 0.000
z 0.000 0.000 -12.350
Traceless
 xyz
x -0.247 0.712 0.000
y 0.712 1.177 0.000
z 0.000 0.000 -0.930
Polar
3z2-r2-1.859
x2-y2-0.949
xy0.712
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.958 0.053 0.000
y 0.053 3.846 0.000
z 0.000 0.000 1.200


<r2> (average value of r2) Å2
<r2> 16.649
(<r2>)1/2 4.080

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-93.970040
Energy at 298.15K-93.971383
HF Energy-93.970040
Nuclear repulsion energy28.065787
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 B3LYP/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' 3428 3294 1.76      
2 A' 3021 2903 33.58      
3 A' 1814 1743 25.28      
4 A' 1214 1166 10.19      
5 A' 918 882 214.04      
6 A" 977 939 108.90      

Unscaled Zero Point Vibrational Energy (zpe) 5686.1 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 5463.2 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 B3LYP/6-31G**
ABC
13.38868 1.28923 1.17599

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 0.651 0.000
N2 -0.000 -0.587 0.000
H3 0.910 1.269 0.000
H4 -0.904 -1.068 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23761.10041.9421
N21.23762.06691.0242
H31.10042.06692.9586
H41.94211.02422.9586

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.028 H3 C1 N2 124.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.016      
2 N -0.414      
3 H 0.128      
4 H 0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.543 0.167 0.000 0.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.048 2.982 0.000
y 2.982 -11.339 0.000
z 0.000 0.000 -12.387
Traceless
 xyz
x 0.815 2.982 0.000
y 2.982 0.379 0.000
z 0.000 0.000 -1.193
Polar
3z2-r2-2.387
x2-y20.291
xy2.982
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.203 0.561 0.000
y 0.561 3.631 0.000
z 0.000 0.000 1.249


<r2> (average value of r2) Å2
<r2> 16.589
(<r2>)1/2 4.073