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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-93.869294
Energy at 298.15K-93.870564
HF Energy-93.869294
Nuclear repulsion energy28.046716
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 PBEPBE/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' 3169 3141 16.84      
2 A' 2871 2845 67.31      
3 A' 1818 1801 18.49      
4 A' 956 948 146.93      
5 A' 852 844 101.45      
6 A" 873 865 4.53      

Unscaled Zero Point Vibrational Energy (zpe) 5269.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 5221.6 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 PBEPBE/6-311G**
ABC
12.83942 1.28790 1.17049

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.112 0.640 0.000
N2 0.112 -0.588 0.000
H3 -0.683 1.415 0.000
H4 -0.768 -1.139 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22851.10961.9850
N21.22852.15491.0380
H31.10962.15492.5554
H41.98501.03802.5554

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 122.049 H3 C1 N2 134.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 N -0.281      
3 H 0.124      
4 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.167 0.213 0.000 2.177
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.181 0.542 0.000
y 0.542 -11.186 0.000
z 0.000 0.000 -12.597
Traceless
 xyz
x -0.289 0.542 0.000
y 0.542 1.202 0.000
z 0.000 0.000 -0.913
Polar
3z2-r2-1.827
x2-y2-0.994
xy0.542
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.268 0.102 0.000
y 0.102 4.180 0.000
z 0.000 0.000 1.453


<r2> (average value of r2) Å2
<r2> 16.887
(<r2>)1/2 4.109

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-93.876900
Energy at 298.15K-93.878231
HF Energy-93.876900
Nuclear repulsion energy27.959259
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 PBEPBE/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' 3322 3292 1.70      
2 A' 2925 2899 34.49      
3 A' 1757 1741 18.46      
4 A' 1170 1160 9.22      
5 A' 892 884 203.07      
6 A" 955 946 112.60      

Unscaled Zero Point Vibrational Energy (zpe) 5510.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 5460.8 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 PBEPBE/6-311G**
ABC
13.13382 1.28241 1.16833

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.654 0.000
N2 -0.001 -0.588 0.000
H3 0.922 1.266 0.000
H4 -0.910 -1.074 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24121.10771.9520
N21.24122.07081.0310
H31.10772.07082.9719
H41.95201.03102.9719

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.131 H3 C1 N2 123.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.076      
2 N -0.275      
3 H 0.139      
4 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.444 0.002 0.000 0.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.228 3.112 0.000
y 3.112 -11.600 0.000
z 0.000 0.000 -12.638
Traceless
 xyz
x 0.891 3.112 0.000
y 3.112 0.333 0.000
z 0.000 0.000 -1.224
Polar
3z2-r2-2.448
x2-y20.372
xy3.112
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.445 0.500 0.000
y 0.500 3.838 0.000
z 0.000 0.000 1.533


<r2> (average value of r2) Å2
<r2> 16.798
(<r2>)1/2 4.099