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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: B97D3/6-311+G(3df,2p)

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 B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-93.938558
Energy at 298.15K-93.939837
HF Energy-93.938558
Nuclear repulsion energy28.154707
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 B97D3/6-311+G(3df,2p)
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' 3238 3196 3.86      
2 A' 2905 2867 52.40      
3 A' 1804 1780 24.96      
4 A' 982 969 150.34      
5 A' 864 852 89.36      
6 A" 877 866 3.75      

Unscaled Zero Point Vibrational Energy (zpe) 5334.4 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 5265.1 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 B97D3/6-311+G(3df,2p)
ABC
12.92185 1.29750 1.17911

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.640 0.000
N2 0.111 -0.586 0.000
H3 -0.687 1.400 0.000
H4 -0.760 -1.135 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22571.10261.9770
N21.22572.14071.0299
H31.10262.14072.5364
H41.97701.02992.5364

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 122.106 H3 C1 N2 133.470
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.221      
2 N -0.555      
3 H 0.162      
4 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.102 0.297 0.000 2.123
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.419 0.574 0.000
y 0.574 -11.357 0.000
z 0.000 0.000 -12.861
Traceless
 xyz
x -0.310 0.574 0.000
y 0.574 1.283 0.000
z 0.000 0.000 -0.973
Polar
3z2-r2-1.947
x2-y2-1.062
xy0.574
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.040 0.152 0.000
y 0.152 4.677 0.000
z 0.000 0.000 2.388


<r2> (average value of r2) Å2
<r2> 16.946
(<r2>)1/2 4.117

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-93.945828
Energy at 298.15K-93.947160
HF Energy-93.945828
Nuclear repulsion energy28.079964
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 B97D3/6-311+G(3df,2p)
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' 3358 3315 4.00      
2 A' 2953 2915 27.55      
3 A' 1746 1724 24.44      
4 A' 1171 1156 12.23      
5 A' 896 885 207.43      
6 A" 952 940 102.02      

Unscaled Zero Point Vibrational Energy (zpe) 5538.5 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 5466.5 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 B97D3/6-311+G(3df,2p)
ABC
13.55200 1.28854 1.17666

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.651 0.000
N2 -0.001 -0.585 0.000
H3 0.908 1.272 0.000
H4 -0.899 -1.078 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23621.10071.9481
N21.23622.06781.0242
H31.10072.06782.9642
H41.94811.02422.9642

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.786 H3 C1 N2 124.343
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.201      
2 N -0.540      
3 H 0.155      
4 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.393 0.103 0.000 0.406
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.582 3.200 0.000
y 3.200 -11.780 0.000
z 0.000 0.000 -12.917
Traceless
 xyz
x 0.766 3.200 0.000
y 3.200 0.470 0.000
z 0.000 0.000 -1.236
Polar
3z2-r2-2.472
x2-y20.198
xy3.200
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.125 0.144 0.000
y 0.144 4.527 0.000
z 0.000 0.000 2.459


<r2> (average value of r2) Å2
<r2> 16.906
(<r2>)1/2 4.112