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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: ROHF/aug-cc-pVDZ

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 ROHF/aug-cc-pVDZ
 hartrees
Energy at 0K-93.412655
Energy at 298.15K-93.414029
HF Energy-93.412655
Nuclear repulsion energy28.210625
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 ROHF/aug-cc-pVDZ
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' 3581 3581 5.13      
2 A' 3199 3199 22.85      
3 A' 1690 1690 5.16      
4 A' 1238 1238 119.21      
5 A' 995 995 31.59      
6 A" 1035 1035 3.36      

Unscaled Zero Point Vibrational Energy (zpe) 5868.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5868.7 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 ROHF/aug-cc-pVDZ
ABC
12.29722 1.31196 1.18548

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.114 0.636 0.000
N2 0.114 -0.597 0.000
H3 -0.674 1.391 0.000
H4 -0.807 -1.023 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23311.09121.8974
N21.23312.13851.0144
H31.09122.13852.4179
H41.89741.01442.4179

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 114.840 H3 C1 N2 133.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.322      
2 N -0.278      
3 H -0.081      
4 H 0.037      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.176 1.010 0.000 2.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.086 0.932 0.000
y 0.932 -11.571 0.000
z 0.000 0.000 -13.038
Traceless
 xyz
x 0.218 0.932 0.000
y 0.932 0.991 0.000
z 0.000 0.000 -1.209
Polar
3z2-r2-2.418
x2-y2-0.515
xy0.932
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 16.817
(<r2>)1/2 4.101

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at ROHF/aug-cc-pVDZ
 hartrees
Energy at 0K-93.418273
Energy at 298.15K-93.419661
HF Energy-93.418273
Nuclear repulsion energy28.240985
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 ROHF/aug-cc-pVDZ
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' 3669 3669 12.92      
2 A' 3239 3239 14.22      
3 A' 1723 1723 19.69      
4 A' 1293 1293 18.11      
5 A' 1012 1012 163.83      
6 A" 1074 1074 95.73      

Unscaled Zero Point Vibrational Energy (zpe) 6005.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6005.0 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 ROHF/aug-cc-pVDZ
ABC
13.76011 1.30039 1.18811

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.004 0.641 0.000
N2 0.004 -0.592 0.000
H3 0.867 1.306 0.000
H4 -0.916 -1.010 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23321.08921.8904
N21.23322.08481.0103
H31.08922.08482.9227
H41.89041.01032.9227

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 114.466 H3 C1 N2 127.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.252      
2 N -0.242      
3 H -0.094      
4 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.687 0.862 0.000 1.103
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.417 3.175 0.000
y 3.175 -11.719 0.000
z 0.000 0.000 -13.064
Traceless
 xyz
x 0.974 3.175 0.000
y 3.175 0.521 0.000
z 0.000 0.000 -1.496
Polar
3z2-r2-2.992
x2-y20.302
xy3.175
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 16.773
(<r2>)1/2 4.095