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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: LSDA/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 LSDA/cc-pVDZ
 hartrees
Energy at 0K-93.429817
Energy at 298.15K-93.431074
HF Energy-93.429817
Nuclear repulsion energy28.024825
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 LSDA/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' 3163 3128 13.98      
2 A' 2874 2843 53.02      
3 A' 1873 1852 19.50      
4 A' 926 916 162.24      
5 A' 841 832 88.78      
6 A" 863 854 4.31      

Unscaled Zero Point Vibrational Energy (zpe) 5270.1 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 5212.1 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 LSDA/cc-pVDZ
ABC
12.64915 1.28953 1.17023

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.113 0.640 0.000
N2 0.113 -0.586 0.000
H3 -0.697 1.416 0.000
H4 -0.766 -1.152 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22551.12141.9954
N21.22552.15911.0451
H31.12142.15912.5688
H41.99541.04512.5688

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 122.804 H3 C1 N2 133.800
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 N -0.098      
3 H 0.087      
4 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.116 0.016 0.000 2.116
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.088 0.422 0.000
y 0.422 -10.969 0.000
z 0.000 0.000 -12.455
Traceless
 xyz
x -0.376 0.422 0.000
y 0.422 1.303 0.000
z 0.000 0.000 -0.927
Polar
3z2-r2-1.853
x2-y2-1.119
xy0.422
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.184 0.074 0.000
y 0.074 4.041 0.000
z 0.000 0.000 1.351


<r2> (average value of r2) Å2
<r2> 16.819
(<r2>)1/2 4.101

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-93.436685
Energy at 298.15K-93.438004
HF Energy-93.436685
Nuclear repulsion energy27.942695
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 LSDA/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' 3306 3269 4.94      
2 A' 2922 2890 26.17      
3 A' 1811 1791 16.75      
4 A' 1134 1121 7.31      
5 A' 872 862 201.55      
6 A" 937 927 105.52      

Unscaled Zero Point Vibrational Energy (zpe) 5490.4 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 5430.0 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 LSDA/cc-pVDZ
ABC
12.93195 1.28531 1.16911

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 0.652 0.000
N2 -0.002 -0.585 0.000
H3 0.935 1.266 0.000
H4 -0.915 -1.081 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23761.12001.9588
N21.23762.07491.0387
H31.12002.07492.9881
H41.95881.03872.9881

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.487 H3 C1 N2 123.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.155      
2 N -0.101      
3 H 0.104      
4 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.392 -0.174 0.000 0.429
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.113 3.058 0.000
y 3.058 -11.419 0.000
z 0.000 0.000 -12.486
Traceless
 xyz
x 0.840 3.058 0.000
y 3.058 0.381 0.000
z 0.000 0.000 -1.221
Polar
3z2-r2-2.441
x2-y20.306
xy3.058
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.388 0.615 0.000
y 0.615 3.666 0.000
z 0.000 0.000 1.391


<r2> (average value of r2) Å2
<r2> 16.723
(<r2>)1/2 4.089