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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-93.848608
Energy at 298.15K-93.849872
HF Energy-93.848608
Nuclear repulsion energy27.877558
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/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' 3131 3113 17.50      
2 A' 2865 2849 67.44      
3 A' 1819 1809 17.36      
4 A' 951 945 149.86      
5 A' 851 846 84.60      
6 A" 858 853 2.92      

Unscaled Zero Point Vibrational Energy (zpe) 5237.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 5206.9 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 PBEPBE/cc-pVDZ
ABC
12.45926 1.27633 1.15773

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.113 0.642 0.000
N2 0.113 -0.593 0.000
H3 -0.685 1.427 0.000
H4 -0.787 -1.126 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23551.12001.9843
N21.23552.17271.0461
H31.12002.17272.5556
H41.98431.04612.5556

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 120.631 H3 C1 N2 134.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 N -0.100      
3 H 0.061      
4 H 0.104      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.020 0.173 0.000 2.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.028 0.496 0.000
y 0.496 -11.087 0.000
z 0.000 0.000 -12.417
Traceless
 xyz
x -0.277 0.496 0.000
y 0.496 1.136 0.000
z 0.000 0.000 -0.859
Polar
3z2-r2-1.719
x2-y2-0.942
xy0.496
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.193 0.081 0.000
y 0.081 4.033 0.000
z 0.000 0.000 1.350


<r2> (average value of r2) Å2
<r2> 16.897
(<r2>)1/2 4.111

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-93.855966
Energy at 298.15K-93.857292
HF Energy-93.855966
Nuclear repulsion energy27.788358
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/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' 3286 3267 2.00      
2 A' 2917 2900 36.49      
3 A' 1758 1748 16.89      
4 A' 1168 1161 8.44      
5 A' 884 879 192.07      
6 A" 944 938 99.04      

Unscaled Zero Point Vibrational Energy (zpe) 5478.4 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 5446.6 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/cc-pVDZ
ABC
12.66999 1.27181 1.15579

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.657 0.000
N2 -0.001 -0.592 0.000
H3 0.937 1.267 0.000
H4 -0.925 -1.066 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24841.11871.9549
N21.24842.08151.0387
H31.11872.08152.9845
H41.95491.03872.9845

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.166 H3 C1 N2 123.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102      
2 N -0.099      
3 H 0.076      
4 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.413 -0.073 0.000 0.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.120 2.894 0.000
y 2.894 -11.476 0.000
z 0.000 0.000 -12.447
Traceless
 xyz
x 0.842 2.894 0.000
y 2.894 0.307 0.000
z 0.000 0.000 -1.149
Polar
3z2-r2-2.297
x2-y20.356
xy2.894
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.408 0.600 0.000
y 0.600 3.708 0.000
z 0.000 0.000 1.398


<r2> (average value of r2) Å2
<r2> 16.808
(<r2>)1/2 4.100