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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-92.187119
Energy at 298.15K-92.188342
HF Energy-92.187119
Nuclear repulsion energy27.420843
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/STO-3G
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' 3280 2937 1.29      
2 A' 3187 2854 2.50      
3 A' 1887 1689 3.27      
4 A' 976 874 124.83      
5 A' 910 815 88.17      
6 A" 912 817 4.47      

Unscaled Zero Point Vibrational Energy (zpe) 5575.8 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 4993.1 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/STO-3G
ABC
11.98977 1.23724 1.12151

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.115 0.657 0.000
N2 0.115 -0.600 0.000
H3 -0.698 1.423 0.000
H4 -0.803 -1.167 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25651.11752.0417
N21.25652.18031.0790
H31.11752.18032.5923
H42.04171.07902.5923

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.713 H3 C1 N2 133.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.025      
2 N -0.274      
3 H 0.101      
4 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.034 0.149 0.000 2.039
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.574 0.635 0.000
y 0.635 -10.286 0.000
z 0.000 0.000 -11.174
Traceless
 xyz
x 0.156 0.635 0.000
y 0.635 0.588 0.000
z 0.000 0.000 -0.744
Polar
3z2-r2-1.488
x2-y2-0.288
xy0.635
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.844 0.154 0.000
y 0.154 2.294 0.000
z 0.000 0.000 0.482


<r2> (average value of r2) Å2
<r2> 16.467
(<r2>)1/2 4.058

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at LSDA/STO-3G
 hartrees
Energy at 0K-92.198773
Energy at 298.15K-92.200082
HF Energy-92.198773
Nuclear repulsion energy27.244771
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/STO-3G
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' 3417 3060 0.49      
2 A' 3234 2896 0.12      
3 A' 1784 1598 3.87      
4 A' 1261 1129 11.52      
5 A' 960 859 155.59      
6 A" 1025 918 66.39      

Unscaled Zero Point Vibrational Energy (zpe) 5840.8 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 5230.5 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 LSDA/STO-3G
ABC
11.37730 1.23757 1.11616

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.674 0.000
N2 0.000 -0.603 0.000
H3 0.972 1.231 0.000
H4 -0.975 -1.053 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.27741.12011.9831
N21.27742.07601.0739
H31.12012.07603.0012
H41.98311.07393.0012

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 114.733 H3 C1 N2 119.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.040      
2 N -0.268      
3 H 0.103      
4 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.585 0.016 0.000 0.585
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.759 2.442 0.000
y 2.442 -10.979 0.000
z 0.000 0.000 -11.214
Traceless
 xyz
x 1.338 2.442 0.000
y 2.442 -0.493 0.000
z 0.000 0.000 -0.845
Polar
3z2-r2-1.690
x2-y21.220
xy2.442
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.170 0.517 0.000
y 0.517 2.151 0.000
z 0.000 0.000 0.502


<r2> (average value of r2) Å2
<r2> 16.446
(<r2>)1/2 4.055