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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-93.861053
Energy at 298.15K-93.862344
HF Energy-93.861053
Nuclear repulsion energy28.141363
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/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' 3347 3219 1.25      
2 A' 3007 2891 44.19      
3 A' 1862 1790 34.55      
4 A' 1012 974 143.72      
5 A' 862 829 91.84      
6 A" 897 863 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 5493.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 5282.5 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 PBE1PBE/aug-cc-pVDZ
ABC
12.72052 1.29919 1.17880

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.112 0.637 0.000
N2 0.112 -0.590 0.000
H3 -0.679 1.410 0.000
H4 -0.779 -1.105 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22691.10561.9569
N21.22692.15021.0291
H31.10562.15022.5171
H41.95691.02912.5171

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 120.067 H3 C1 N2 134.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.229      
2 N -0.138      
3 H -0.097      
4 H 0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.148 0.460 0.000 2.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.379 0.624 0.000
y 0.624 -11.344 0.000
z 0.000 0.000 -12.914
Traceless
 xyz
x -0.250 0.624 0.000
y 0.624 1.303 0.000
z 0.000 0.000 -1.053
Polar
3z2-r2-2.106
x2-y2-1.035
xy0.624
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.045 0.117 0.000
y 0.117 4.551 0.000
z 0.000 0.000 2.370


<r2> (average value of r2) Å2
<r2> 16.938
(<r2>)1/2 4.116

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-93.868570
Energy at 298.15K-93.869909
HF Energy-93.868570
Nuclear repulsion energy28.087118
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/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' 3468 3335 9.42      
2 A' 3053 2935 21.74      
3 A' 1822 1752 34.70      
4 A' 1177 1132 13.11      
5 A' 899 865 216.36      
6 A" 970 933 107.92      

Unscaled Zero Point Vibrational Energy (zpe) 5694.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 5475.8 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/aug-cc-pVDZ
ABC
13.54896 1.28931 1.17728

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.648 0.000
N2 0.000 -0.587 0.000
H3 0.903 1.285 0.000
H4 -0.904 -1.066 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23521.10431.9385
N21.23522.07781.0236
H31.10432.07782.9652
H41.93851.02362.9652

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.934 H3 C1 N2 125.192
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.168      
2 N -0.095      
3 H -0.125      
4 H 0.053      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.434 0.229 0.000 0.490
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.562 3.271 0.000
y 3.271 -11.707 0.000
z 0.000 0.000 -12.964
Traceless
 xyz
x 0.774 3.271 0.000
y 3.271 0.556 0.000
z 0.000 0.000 -1.329
Polar
3z2-r2-2.659
x2-y20.146
xy3.271
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.122 0.184 0.000
y 0.184 4.435 0.000
z 0.000 0.000 2.423


<r2> (average value of r2) Å2
<r2> 16.896
(<r2>)1/2 4.110