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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: ROHF/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 ROHF/cc-pVDZ
 hartrees
Energy at 0K-93.405215
Energy at 298.15K-93.406592
HF Energy-93.405215
Nuclear repulsion energy28.180193
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 ROHF/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' 3560 3064 5.07      
2 A' 3201 2755 25.81      
3 A' 1677 1443 1.25      
4 A' 1250 1076 121.07      
5 A' 1005 865 30.31      
6 A" 1046 900 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 5869.5 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 5051.9 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 ROHF/cc-pVDZ
ABC
12.15294 1.31180 1.18400

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.115 0.635 0.000
N2 0.115 -0.599 0.000
H3 -0.673 1.394 0.000
H4 -0.816 -1.013 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23391.09371.8923
N21.23392.14281.0182
H31.09372.14282.4112
H41.89231.01822.4112

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 113.997 H3 C1 N2 133.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.021      
2 N -0.213      
3 H 0.071      
4 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.150 0.925 0.000 2.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.784 0.908 0.000
y 0.908 -11.425 0.000
z 0.000 0.000 -12.619
Traceless
 xyz
x 0.238 0.908 0.000
y 0.908 0.777 0.000
z 0.000 0.000 -1.014
Polar
3z2-r2-2.029
x2-y2-0.359
xy0.908
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 16.647
(<r2>)1/2 4.080

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at ROHF/cc-pVDZ
 hartrees
Energy at 0K-93.410473
Energy at 298.15K-93.411863
HF Energy-93.410473
Nuclear repulsion energy28.210985
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 ROHF/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' 3651 3143 8.48      
2 A' 3239 2788 16.24      
3 A' 1713 1474 13.08      
4 A' 1310 1127 15.08      
5 A' 1019 877 162.05      
6 A" 1079 929 98.67      

Unscaled Zero Point Vibrational Energy (zpe) 6005.6 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 5169.1 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 ROHF/cc-pVDZ
ABC
13.44848 1.30222 1.18726

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.004 0.641 0.000
N2 0.004 -0.593 0.000
H3 0.875 1.300 0.000
H4 -0.925 -0.999 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23431.09191.8855
N21.23432.08341.0140
H31.09192.08342.9199
H41.88551.01402.9199

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 113.628 H3 C1 N2 127.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 N -0.213      
3 H 0.087      
4 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.738 0.783 0.000 1.076
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.062 2.925 0.000
y 2.925 -11.494 0.000
z 0.000 0.000 -12.628
Traceless
 xyz
x 0.999 2.925 0.000
y 2.925 0.351 0.000
z 0.000 0.000 -1.350
Polar
3z2-r2-2.700
x2-y20.432
xy2.925
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 16.564
(<r2>)1/2 4.070