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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: B3LYP/Def2TZVPP

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 B3LYP/Def2TZVPP
 hartrees
Energy at 0K-94.003857
Energy at 298.15K-94.005146
HF Energy-94.003857
Nuclear repulsion energy28.322915
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 B3LYP/Def2TZVPP
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' 3301 3177 2.70      
2 A' 2964 2853 47.85      
3 A' 1862 1792 30.92      
4 A' 1001 963 148.48      
5 A' 869 836 108.13      
6 A" 904 870 4.86      

Unscaled Zero Point Vibrational Energy (zpe) 5449.6 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 5245.8 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 B3LYP/Def2TZVPP
ABC
13.19734 1.31142 1.19289

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.635 0.000
N2 0.111 -0.583 0.000
H3 -0.683 1.394 0.000
H4 -0.759 -1.125 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.21831.09781.9640
N21.21832.13031.0253
H31.09782.13032.5207
H41.96401.02532.5207

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.944 H3 C1 N2 133.719
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 N -0.181      
3 H 0.123      
4 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.151 0.294 0.000 2.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.426 0.584 0.000
y 0.584 -11.273 0.000
z 0.000 0.000 -12.809
Traceless
 xyz
x -0.385 0.584 0.000
y 0.584 1.345 0.000
z 0.000 0.000 -0.960
Polar
3z2-r2-1.920
x2-y2-1.153
xy0.584
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.649 0.100 0.000
y 0.100 4.399 0.000
z 0.000 0.000 1.947


<r2> (average value of r2) Å2
<r2> 16.823
(<r2>)1/2 4.102

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-94.011183
Energy at 298.15K-94.012523
HF Energy-94.011183
Nuclear repulsion energy28.246284
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 B3LYP/Def2TZVPP
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' 3425 3297 6.71      
2 A' 3010 2898 24.84      
3 A' 1804 1737 29.95      
4 A' 1189 1145 13.14      
5 A' 911 877 220.19      
6 A" 970 934 109.65      

Unscaled Zero Point Vibrational Energy (zpe) 5655.0 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 5443.5 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 B3LYP/Def2TZVPP
ABC
13.92986 1.30113 1.18998

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 0.646 0.000
N2 -0.000 -0.582 0.000
H3 0.899 1.271 0.000
H4 -0.893 -1.075 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22811.09531.9385
N21.22812.05981.0195
H31.09532.05982.9519
H41.93851.01952.9519

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.896 H3 C1 N2 124.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.134      
2 N -0.188      
3 H 0.132      
4 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.423 0.117 0.000 0.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.574 3.172 0.000
y 3.172 -11.649 0.000
z 0.000 0.000 -12.870
Traceless
 xyz
x 0.686 3.172 0.000
y 3.172 0.573 0.000
z 0.000 0.000 -1.259
Polar
3z2-r2-2.517
x2-y20.075
xy3.172
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.771 0.349 0.000
y 0.349 4.182 0.000
z 0.000 0.000 2.037


<r2> (average value of r2) Å2
<r2> 16.776
(<r2>)1/2 4.096