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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: mPW1PW91/6-311G**

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 mPW1PW91/6-311G**
 hartrees
Energy at 0K-93.957468
Energy at 298.15K-93.958768
HF Energy-93.957468
Nuclear repulsion energy28.297434
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 mPW1PW91/6-311G**
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' 3350 3205 3.94      
2 A' 2997 2867 51.22      
3 A' 1878 1796 29.71      
4 A' 1022 978 139.86      
5 A' 870 832 113.36      
6 A" 923 883 4.84      

Unscaled Zero Point Vibrational Energy (zpe) 5519.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5280.5 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 mPW1PW91/6-311G**
ABC
12.98879 1.31178 1.19145

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.634 0.000
N2 0.111 -0.586 0.000
H3 -0.672 1.405 0.000
H4 -0.770 -1.109 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.21951.09841.9532
N21.21952.13851.0250
H31.09842.13852.5157
H41.95321.02502.5157

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 120.720 H3 C1 N2 134.554
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.013      
2 N -0.321      
3 H 0.131      
4 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.242 0.410 0.000 2.279
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.018 0.647 0.000
y 0.647 -11.075 0.000
z 0.000 0.000 -12.533
Traceless
 xyz
x -0.214 0.647 0.000
y 0.647 1.201 0.000
z 0.000 0.000 -0.987
Polar
3z2-r2-1.973
x2-y2-0.944
xy0.647
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.140 0.081 0.000
y 0.081 3.946 0.000
z 0.000 0.000 1.433


<r2> (average value of r2) Å2
<r2> 16.636
(<r2>)1/2 4.079

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-93.965006
Energy at 298.15K-93.966353
HF Energy-93.965006
Nuclear repulsion energy28.224139
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 mPW1PW91/6-311G**
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' 3471 3321 6.42      
2 A' 3042 2910 26.91      
3 A' 1829 1750 29.91      
4 A' 1203 1151 9.71      
5 A' 912 873 225.25      
6 A" 986 944 121.20      

Unscaled Zero Point Vibrational Energy (zpe) 5721.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5474.1 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 mPW1PW91/6-311G**
ABC
13.63576 1.30269 1.18909

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.646 0.000
N2 0.000 -0.584 0.000
H3 0.900 1.273 0.000
H4 -0.900 -1.062 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22951.09671.9307
N21.22952.06321.0197
H31.09672.06322.9484
H41.93071.01972.9484

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.977 H3 C1 N2 124.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 N -0.314      
3 H 0.145      
4 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.501 0.198 0.000 0.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.138 3.162 0.000
y 3.162 -11.412 0.000
z 0.000 0.000 -12.574
Traceless
 xyz
x 0.855 3.162 0.000
y 3.162 0.444 0.000
z 0.000 0.000 -1.299
Polar
3z2-r2-2.598
x2-y20.274
xy3.162
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.328 0.414 0.000
y 0.414 3.763 0.000
z 0.000 0.000 1.513


<r2> (average value of r2) Å2
<r2> 16.569
(<r2>)1/2 4.070