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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: PBEPBE/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 PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-93.884124
Energy at 298.15K-93.885390
HF Energy-93.884124
Nuclear repulsion energy28.104039
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 PBEPBE/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' 3185 3147 11.01      
2 A' 2883 2848 56.65      
3 A' 1814 1792 21.28      
4 A' 956 944 149.27      
5 A' 846 836 93.85      
6 A" 873 862 4.07      

Unscaled Zero Point Vibrational Energy (zpe) 5278.4 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 5214.5 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 PBEPBE/Def2TZVPP
ABC
12.95776 1.29210 1.17494

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.640 0.000
N2 0.111 -0.587 0.000
H3 -0.687 1.407 0.000
H4 -0.762 -1.142 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22671.10691.9843
N21.22672.14771.0345
H31.10692.14772.5503
H41.98431.03452.5503

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 122.457 H3 C1 N2 133.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 N -0.174      
3 H 0.111      
4 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.100 0.201 0.000 2.109
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.456 0.521 0.000
y 0.521 -11.314 0.000
z 0.000 0.000 -12.816
Traceless
 xyz
x -0.392 0.521 0.000
y 0.521 1.322 0.000
z 0.000 0.000 -0.931
Polar
3z2-r2-1.861
x2-y2-1.143
xy0.521
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.772 0.124 0.000
y 0.124 4.581 0.000
z 0.000 0.000 1.976


<r2> (average value of r2) Å2
<r2> 16.984
(<r2>)1/2 4.121

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-93.891441
Energy at 298.15K-93.892767
HF Energy-93.891441
Nuclear repulsion energy28.032538
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 PBEPBE/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' 3331 3291 2.47      
2 A' 2938 2902 28.82      
3 A' 1757 1736 21.39      
4 A' 1157 1143 12.31      
5 A' 887 876 202.98      
6 A" 949 937 102.13      

Unscaled Zero Point Vibrational Energy (zpe) 5509.2 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 5442.6 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 PBEPBE/Def2TZVPP
ABC
13.45957 1.28545 1.17339

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

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 0.910 1.275 0.000
H4 -0.900 -1.084 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23671.10421.9542
N21.23672.07171.0279
H31.10422.07172.9735
H41.95421.02792.9735

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.007 H3 C1 N2 124.414
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.136      
2 N -0.183      
3 H 0.118      
4 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.392 -0.003 0.000 0.392
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.560 3.153 0.000
y 3.153 -11.733 0.000
z 0.000 0.000 -12.877
Traceless
 xyz
x 0.744 3.153 0.000
y 3.153 0.486 0.000
z 0.000 0.000 -1.230
Polar
3z2-r2-2.461
x2-y20.172
xy3.153
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.873 0.405 0.000
y 0.405 4.266 0.000
z 0.000 0.000 2.063


<r2> (average value of r2) Å2
<r2> 16.917
(<r2>)1/2 4.113