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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: BLYP/TZVP

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 BLYP/TZVP
 hartrees
Energy at 0K-93.970331
Energy at 298.15K-93.971594
HF Energy-93.970331
Nuclear repulsion energy28.073889
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 BLYP/TZVP
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' 3122 3114 18.97      
2 A' 2856 2848 68.01      
3 A' 1804 1800 23.30      
4 A' 943 941 129.73      
5 A' 846 844 127.04      
6 A" 868 866 6.14      

Unscaled Zero Point Vibrational Energy (zpe) 5219.3 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 5206.3 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 BLYP/TZVP
ABC
13.18277 1.28564 1.17140

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.110 0.642 0.000
N2 0.110 -0.585 0.000
H3 -0.685 1.412 0.000
H4 -0.748 -1.169 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22641.10682.0034
N21.22642.14881.0380
H31.10682.14882.5810
H42.00341.03802.5810

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 124.232 H3 C1 N2 134.081
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 N -0.249      
3 H 0.112      
4 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.275 0.181 0.000 2.282
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.659 0.558 0.000
y 0.558 -11.506 0.000
z 0.000 0.000 -12.861
Traceless
 xyz
x -0.476 0.558 0.000
y 0.558 1.254 0.000
z 0.000 0.000 -0.778
Polar
3z2-r2-1.556
x2-y2-1.154
xy0.558
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.546 0.154 0.000
y 0.154 4.664 0.000
z 0.000 0.000 1.683


<r2> (average value of r2) Å2
<r2> 17.117
(<r2>)1/2 4.137

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-93.978484
Energy at 298.15K-93.979813
HF Energy-93.978484
Nuclear repulsion energy27.990871
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 BLYP/TZVP
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' 3289 3281 0.85      
2 A' 2921 2914 33.53      
3 A' 1737 1733 21.38      
4 A' 1166 1163 11.57      
5 A' 890 888 205.61      
6 A" 951 949 116.96      

Unscaled Zero Point Vibrational Energy (zpe) 5477.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 5463.9 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 BLYP/TZVP
ABC
13.53826 1.27988 1.16934

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.654 0.000
N2 -0.001 -0.586 0.000
H3 0.913 1.272 0.000
H4 -0.897 -1.095 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23911.10411.9646
N21.23912.07071.0301
H31.10412.07072.9799
H41.96461.03012.9799

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.650 H3 C1 N2 124.083
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.107      
2 N -0.243      
3 H 0.130      
4 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.437 -0.006 0.000 0.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.680 3.278 0.000
y 3.278 -11.951 0.000
z 0.000 0.000 -12.941
Traceless
 xyz
x 0.766 3.278 0.000
y 3.278 0.359 0.000
z 0.000 0.000 -1.125
Polar
3z2-r2-2.250
x2-y20.271
xy3.278
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.702 0.431 0.000
y 0.431 4.282 0.000
z 0.000 0.000 1.824


<r2> (average value of r2) Å2
<r2> 17.033
(<r2>)1/2 4.127