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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: HSEh1PBE/cc-pVTZ

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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-93.889842
Energy at 298.15K-93.891141
HF Energy-93.889842
Nuclear repulsion energy28.336638
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 HSEh1PBE/cc-pVTZ
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' 3347 3216 2.63      
2 A' 2992 2876 48.40      
3 A' 1874 1801 28.59      
4 A' 1018 978 149.18      
5 A' 868 834 103.46      
6 A" 920 884 4.13      

Unscaled Zero Point Vibrational Energy (zpe) 5508.8 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 5294.5 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 HSEh1PBE/cc-pVTZ
ABC
13.03551 1.31530 1.19475

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.633 0.000
N2 0.111 -0.584 0.000
H3 -0.673 1.402 0.000
H4 -0.766 -1.112 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.21741.09781.9537
N21.21742.13491.0239
H31.09782.13492.5157
H41.95371.02392.5157

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.060 H3 C1 N2 134.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.096      
2 N -0.171      
3 H 0.105      
4 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.122 0.371 0.000 2.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.154 0.609 0.000
y 0.609 -11.094 0.000
z 0.000 0.000 -12.659
Traceless
 xyz
x -0.278 0.609 0.000
y 0.609 1.313 0.000
z 0.000 0.000 -1.035
Polar
3z2-r2-2.070
x2-y2-1.060
xy0.609
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.502 0.075 0.000
y 0.075 4.128 0.000
z 0.000 0.000 1.812


<r2> (average value of r2) Å2
<r2> 16.672
(<r2>)1/2 4.083

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-93.896736
Energy at 298.15K-93.898081
HF Energy-93.896736
Nuclear repulsion energy28.266443
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 HSEh1PBE/cc-pVTZ
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' 3463 3328 7.69      
2 A' 3034 2916 26.52      
3 A' 1825 1754 30.04      
4 A' 1191 1145 11.59      
5 A' 909 874 223.75      
6 A" 981 943 110.33      

Unscaled Zero Point Vibrational Energy (zpe) 5701.7 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 5479.9 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 HSEh1PBE/cc-pVTZ
ABC
13.77673 1.30532 1.19235

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.644 0.000
N2 0.000 -0.583 0.000
H3 0.896 1.277 0.000
H4 -0.897 -1.065 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22691.09631.9304
N21.22692.06381.0188
H31.09632.06382.9492
H41.93041.01882.9492

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.250 H3 C1 N2 125.235
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.130      
2 N -0.179      
3 H 0.129      
4 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.446 0.171 0.000 0.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.314 3.118 0.000
y 3.118 -11.434 0.000
z 0.000 0.000 -12.694
Traceless
 xyz
x 0.750 3.118 0.000
y 3.118 0.570 0.000
z 0.000 0.000 -1.320
Polar
3z2-r2-2.641
x2-y20.120
xy3.118
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.644 0.376 0.000
y 0.376 3.946 0.000
z 0.000 0.000 1.857


<r2> (average value of r2) Å2
<r2> 16.617
(<r2>)1/2 4.076