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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-93.929858
Energy at 298.15K-93.931150
HF Energy-93.929858
Nuclear repulsion energy28.184374
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 wB97X-D/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' 3427 3265 3.05      
2 A' 3027 2884 44.28      
3 A' 1878 1789 47.67      
4 A' 1029 980 112.99      
5 A' 849 809 148.65      
6 A" 914 871 5.85      

Unscaled Zero Point Vibrational Energy (zpe) 5561.9 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 5298.3 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 wB97X-D/cc-pVDZ
ABC
12.93171 1.29988 1.18115

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.639 0.000
N2 0.111 -0.587 0.000
H3 -0.685 1.397 0.000
H4 -0.762 -1.123 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22611.09951.9664
N21.22612.13781.0243
H31.09952.13782.5209
H41.96641.02432.5209

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.555 H3 C1 N2 133.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 N -0.358      
3 H 0.156      
4 H 0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.498 0.467 0.000 2.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.357 0.748 0.000
y 0.748 -11.287 0.000
z 0.000 0.000 -12.882
Traceless
 xyz
x -0.272 0.748 0.000
y 0.748 1.332 0.000
z 0.000 0.000 -1.060
Polar
3z2-r2-2.120
x2-y2-1.070
xy0.748
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.369 0.064 0.000
y 0.064 4.364 0.000
z 0.000 0.000 1.753


<r2> (average value of r2) Å2
<r2> 16.893
(<r2>)1/2 4.110

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-93.938444
Energy at 298.15K-93.939786
HF Energy-93.938444
Nuclear repulsion energy28.128692
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 wB97X-D/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' 3529 3361 14.40      
2 A' 3079 2933 19.69      
3 A' 1833 1746 42.64      
4 A' 1197 1140 11.70      
5 A' 899 857 240.53      
6 A" 983 936 135.09      

Unscaled Zero Point Vibrational Energy (zpe) 5759.4 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 5486.4 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 wB97X-D/cc-pVDZ
ABC
13.72752 1.29071 1.17979

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 0.649 0.000
N2 -0.000 -0.585 0.000
H3 0.901 1.274 0.000
H4 -0.896 -1.073 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23441.09651.9412
N21.23442.06611.0198
H31.09652.06612.9558
H41.94121.01982.9558

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.586 H3 C1 N2 124.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.087      
2 N -0.384      
3 H 0.164      
4 H 0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.537 0.272 0.000 0.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.455 3.528 0.000
y 3.528 -11.689 0.000
z 0.000 0.000 -12.962
Traceless
 xyz
x 0.870 3.528 0.000
y 3.528 0.520 0.000
z 0.000 0.000 -1.390
Polar
3z2-r2-2.779
x2-y20.233
xy3.528
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.560 0.120 0.000
y 0.120 4.290 0.000
z 0.000 0.000 1.888


<r2> (average value of r2) Å2
<r2> 16.842
(<r2>)1/2 4.104