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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: PBE1PBE/6-31G*

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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-93.840730
Energy at 298.15K-93.842029
HF Energy-93.840730
Nuclear repulsion energy28.176274
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 PBE1PBE/6-31G*
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' 3339 3174 4.03      
2 A' 3027 2876 57.86      
3 A' 1890 1796 28.62      
4 A' 1038 986 134.39      
5 A' 885 841 121.92      
6 A" 920 875 6.69      

Unscaled Zero Point Vibrational Energy (zpe) 5549.5 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 5273.7 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 PBE1PBE/6-31G*
ABC
12.86246 1.30060 1.18117

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.637 0.000
N2 0.111 -0.589 0.000
H3 -0.674 1.408 0.000
H4 -0.775 -1.110 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22581.10071.9588
N21.22582.14581.0282
H31.10072.14582.5200
H41.95881.02822.5200

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 120.448 H3 C1 N2 134.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.013      
2 N -0.498      
3 H 0.176      
4 H 0.334      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.236 0.456 0.000 2.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.859 0.770 0.000
y 0.770 -10.926 0.000
z 0.000 0.000 -12.422
Traceless
 xyz
x -0.185 0.770 0.000
y 0.770 1.215 0.000
z 0.000 0.000 -1.029
Polar
3z2-r2-2.059
x2-y2-0.933
xy0.770
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.924 0.045 0.000
y 0.045 3.784 0.000
z 0.000 0.000 1.183


<r2> (average value of r2) Å2
<r2> 16.622
(<r2>)1/2 4.077

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-93.848909
Energy at 298.15K-93.850256
HF Energy-93.848909
Nuclear repulsion energy28.114654
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 PBE1PBE/6-31G*
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' 3467 3295 2.99      
2 A' 3076 2923 32.56      
3 A' 1843 1751 28.67      
4 A' 1227 1166 11.95      
5 A' 927 881 224.12      
6 A" 993 944 116.09      

Unscaled Zero Point Vibrational Energy (zpe) 5766.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 5479.8 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 PBE1PBE/6-31G*
ABC
13.39011 1.29442 1.18032

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 0.649 0.000
N2 -0.000 -0.586 0.000
H3 0.908 1.268 0.000
H4 -0.906 -1.062 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23551.09901.9358
N21.23552.06451.0226
H31.09902.06452.9523
H41.93581.02262.9523

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.713 H3 C1 N2 124.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.050      
2 N -0.487      
3 H 0.189      
4 H 0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.583 0.231 0.000 0.627
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.998 3.096 0.000
y 3.096 -11.300 0.000
z 0.000 0.000 -12.454
Traceless
 xyz
x 0.878 3.096 0.000
y 3.096 0.427 0.000
z 0.000 0.000 -1.305
Polar
3z2-r2-2.611
x2-y20.301
xy3.096
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.161 0.508 0.000
y 0.508 3.611 0.000
z 0.000 0.000 1.229


<r2> (average value of r2) Å2
<r2> 16.549
(<r2>)1/2 4.068