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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-93.420644
Energy at 298.15K-93.422021
HF Energy-93.420644
Nuclear repulsion energy28.327938
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 HF/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' 3572 3245 3.51      
2 A' 3188 2897 25.40      
3 A' 1680 1526 2.07      
4 A' 1245 1131 117.56      
5 A' 997 906 39.93      
6 A" 1056 960 5.14      

Unscaled Zero Point Vibrational Energy (zpe) 5869.5 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 5332.4 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 HF/6-311G**
ABC
12.44775 1.32222 1.19526

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.113 0.633 0.000
N2 0.113 -0.595 0.000
H3 -0.667 1.388 0.000
H4 -0.804 -1.021 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22771.08521.8914
N21.22772.13021.0116
H31.08522.13022.4125
H41.89141.01162.4125

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 114.921 H3 C1 N2 134.058
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.052      
2 N -0.359      
3 H 0.116      
4 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.250 0.975 0.000 2.452
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.844 0.965 0.000
y 0.965 -11.490 0.000
z 0.000 0.000 -12.691
Traceless
 xyz
x 0.247 0.965 0.000
y 0.965 0.778 0.000
z 0.000 0.000 -1.024
Polar
3z2-r2-2.048
x2-y2-0.354
xy0.965
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.995 0.008 0.000
y 0.008 3.628 0.000
z 0.000 0.000 1.410


<r2> (average value of r2) Å2
<r2> 16.606
(<r2>)1/2 4.075

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-93.426246
Energy at 298.15K-93.427636
HF Energy-93.426246
Nuclear repulsion energy28.356365
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 HF/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' 3664 3329 8.58      
2 A' 3227 2932 15.35      
3 A' 1716 1559 16.48      
4 A' 1308 1189 14.82      
5 A' 1018 925 170.16      
6 A" 1087 988 103.37      

Unscaled Zero Point Vibrational Energy (zpe) 6010.5 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 5460.5 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 HF/6-311G**
ABC
13.84234 1.31162 1.19809

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.004 0.639 0.000
N2 0.004 -0.589 0.000
H3 0.864 1.297 0.000
H4 -0.913 -1.007 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22831.08311.8839
N21.22832.07341.0074
H31.08312.07342.9097
H41.88391.00742.9097

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 114.479 H3 C1 N2 127.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 N -0.361      
3 H 0.133      
4 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.776 0.832 0.000 1.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.122 3.062 0.000
y 3.062 -11.578 0.000
z 0.000 0.000 -12.714
Traceless
 xyz
x 1.023 3.062 0.000
y 3.062 0.340 0.000
z 0.000 0.000 -1.364
Polar
3z2-r2-2.727
x2-y20.455
xy3.062
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.142 0.477 0.000
y 0.477 3.546 0.000
z 0.000 0.000 1.437


<r2> (average value of r2) Å2
<r2> 16.531
(<r2>)1/2 4.066