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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: BLYP/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-93.935713
Energy at 298.15K-93.936973
HF Energy-93.935713
Nuclear repulsion energy27.990137
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/6-31G(2df,p)
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' 3149 3132 13.04      
2 A' 2862 2846 60.95      
3 A' 1806 1796 16.16      
4 A' 954 949 127.29      
5 A' 844 839 120.11      
6 A" 857 852 4.63      

Unscaled Zero Point Vibrational Energy (zpe) 5236.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 5207.3 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/6-31G(2df,p)
ABC
12.92574 1.28022 1.16485

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.643 0.000
N2 0.111 -0.588 0.000
H3 -0.688 1.413 0.000
H4 -0.759 -1.154 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23181.10901.9967
N21.23182.15471.0379
H31.10902.15472.5672
H41.99671.03792.5672

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 122.986 H3 C1 N2 133.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.131      
2 N -0.232      
3 H 0.132      
4 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.927 0.167 0.000 1.934
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.943 0.547 0.000
y 0.547 -10.958 0.000
z 0.000 0.000 -12.342
Traceless
 xyz
x -0.293 0.547 0.000
y 0.547 1.184 0.000
z 0.000 0.000 -0.891
Polar
3z2-r2-1.783
x2-y2-0.985
xy0.547
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.213 0.092 0.000
y 0.092 4.010 0.000
z 0.000 0.000 1.513


<r2> (average value of r2) Å2
<r2> 16.781
(<r2>)1/2 4.097

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-93.943453
Energy at 298.15K-93.944783
HF Energy-93.943453
Nuclear repulsion energy27.889358
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/6-31G(2df,p)
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' 3297 3278 1.19      
2 A' 2914 2898 36.94      
3 A' 1735 1726 16.36      
4 A' 1182 1175 7.68      
5 A' 895 890 195.28      
6 A" 952 947 87.65      

Unscaled Zero Point Vibrational Energy (zpe) 5487.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 5457.1 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/6-31G(2df,p)
ABC
13.13811 1.27456 1.16185

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.657 0.000
N2 -0.001 -0.589 0.000
H3 0.925 1.264 0.000
H4 -0.906 -1.083 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24521.10841.9612
N21.24522.07181.0313
H31.10842.07182.9777
H41.96121.03132.9777

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.672 H3 C1 N2 123.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.159      
2 N -0.224      
3 H 0.137      
4 H 0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.428 -0.029 0.000 0.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.113 2.826 0.000
y 2.826 -11.435 0.000
z 0.000 0.000 -12.386
Traceless
 xyz
x 0.797 2.826 0.000
y 2.826 0.315 0.000
z 0.000 0.000 -1.111
Polar
3z2-r2-2.223
x2-y20.321
xy2.826
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.412 0.606 0.000
y 0.606 3.719 0.000
z 0.000 0.000 1.552


<r2> (average value of r2) Å2
<r2> 16.735
(<r2>)1/2 4.091