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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: B1B95/3-21G

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 B1B95/3-21G
 hartrees
Energy at 0K-93.385399
Energy at 298.15K-93.386703
HF Energy-93.385399
Nuclear repulsion energy28.157621
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 B1B95/3-21G
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' 3233 3093 3.30      
2 A' 2976 2847 51.89      
3 A' 1889 1807 16.75      
4 A' 982 940 83.94      
5 A' 894 855 223.27      
6 A" 956 915 11.38      

Unscaled Zero Point Vibrational Energy (zpe) 5464.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5228.1 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 B1B95/3-21G
ABC
14.47030 1.27677 1.17325

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.105 0.643 0.000
N2 0.105 -0.579 0.000
H3 -0.666 1.423 0.000
H4 -0.702 -1.224 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22181.09772.0331
N21.22182.14601.0326
H31.09772.14602.6469
H42.03311.03262.6469

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 128.601 H3 C1 N2 135.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.049      
2 N -0.553      
3 H 0.201      
4 H 0.304      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.410 -0.007 0.000 2.410
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.135 0.651 0.000
y 0.651 -10.606 0.000
z 0.000 0.000 -12.332
Traceless
 xyz
x -0.666 0.651 0.000
y 0.651 1.627 0.000
z 0.000 0.000 -0.961
Polar
3z2-r2-1.922
x2-y2-1.529
xy0.651
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.513 0.072 0.000
y 0.072 3.675 0.000
z 0.000 0.000 0.940


<r2> (average value of r2) Å2
<r2> 16.731
(<r2>)1/2 4.090

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-93.392477
Energy at 298.15K-93.393832
HF Energy-93.392477
Nuclear repulsion energy28.036661
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 B1B95/3-21G
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' 3372 3226 1.91      
2 A' 3042 2911 29.70      
3 A' 1800 1722 13.40      
4 A' 1205 1153 16.60      
5 A' 939 898 242.52      
6 A" 1012 968 134.42      

Unscaled Zero Point Vibrational Energy (zpe) 5684.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5438.8 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 B1B95/3-21G
ABC
14.22158 1.27521 1.17027

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 0.655 0.000
N2 -0.002 -0.583 0.000
H3 0.899 1.278 0.000
H4 -0.873 -1.128 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23731.09561.9838
N21.23732.06711.0274
H31.09562.06712.9877
H41.98381.02742.9877

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 122.051 H3 C1 N2 124.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.005      
2 N -0.542      
3 H 0.219      
4 H 0.318      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.545 -0.072 0.000 0.550
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.086 3.332 0.000
y 3.332 -11.193 0.000
z 0.000 0.000 -12.383
Traceless
 xyz
x 0.702 3.332 0.000
y 3.332 0.541 0.000
z 0.000 0.000 -1.244
Polar
3z2-r2-2.487
x2-y20.108
xy3.332
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.887 0.542 0.000
y 0.542 3.392 0.000
z 0.000 0.000 0.974


<r2> (average value of r2) Å2
<r2> 16.639
(<r2>)1/2 4.079