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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-93.988595
Energy at 298.15K-93.989888
HF Energy-93.988595
Nuclear repulsion energy28.250111
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/6-311G**
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' 3281 3172 6.03      
2 A' 2948 2850 55.27      
3 A' 1861 1799 25.53      
4 A' 1002 969 149.90      
5 A' 875 846 109.43      
6 A" 905 875 5.08      

Unscaled Zero Point Vibrational Energy (zpe) 5435.8 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 5255.3 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/6-311G**
ABC
13.02042 1.30645 1.18732

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.636 0.000
N2 0.111 -0.585 0.000
H3 -0.678 1.403 0.000
H4 -0.763 -1.127 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22061.10021.9676
N21.22062.13861.0286
H31.10022.13862.5315
H41.96761.02862.5315

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.812 H3 C1 N2 134.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 N -0.296      
3 H 0.120      
4 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.216 0.312 0.000 2.238
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.143 0.596 0.000
y 0.596 -11.165 0.000
z 0.000 0.000 -12.585
Traceless
 xyz
x -0.268 0.596 0.000
y 0.596 1.199 0.000
z 0.000 0.000 -0.931
Polar
3z2-r2-1.862
x2-y2-0.977
xy0.596
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.169 0.088 0.000
y 0.088 4.013 0.000
z 0.000 0.000 1.435


<r2> (average value of r2) Å2
<r2> 16.733
(<r2>)1/2 4.091

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-93.996184
Energy at 298.15K-93.997528
HF Energy-93.996184
Nuclear repulsion energy28.164038
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/6-311G**
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' 3416 3302 4.18      
2 A' 2997 2898 29.37      
3 A' 1802 1742 25.59      
4 A' 1200 1160 10.11      
5 A' 914 884 220.25      
6 A" 974 942 120.06      

Unscaled Zero Point Vibrational Energy (zpe) 5651.5 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 5463.9 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 B3LYP/6-311G**
ABC
13.60535 1.29690 1.18403

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 0.648 0.000
N2 -0.000 -0.584 0.000
H3 0.904 1.271 0.000
H4 -0.899 -1.072 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23201.09831.9409
N21.23202.06341.0224
H31.09832.06342.9564
H41.94091.02242.9564

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.547 H3 C1 N2 124.519
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.056      
2 N -0.291      
3 H 0.133      
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
  -0.470 0.115 0.000 0.484
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.246 3.130 0.000
y 3.130 -11.518 0.000
z 0.000 0.000 -12.623
Traceless
 xyz
x 0.825 3.130 0.000
y 3.130 0.417 0.000
z 0.000 0.000 -1.242
Polar
3z2-r2-2.483
x2-y20.272
xy3.130
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.355 0.453 0.000
y 0.453 3.774 0.000
z 0.000 0.000 1.517


<r2> (average value of r2) Å2
<r2> 16.664
(<r2>)1/2 4.082