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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: wB97X-D/TZVP

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 wB97X-D/TZVP
 hartrees
Energy at 0K-93.956814
Energy at 298.15K-93.958107
HF Energy-93.956814
Nuclear repulsion energy28.343867
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 wB97X-D/TZVP
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' 3387 3235 1.69      
2 A' 3008 2872 41.67      
3 A' 1886 1801 41.23      
4 A' 1015 969 114.37      
5 A' 849 810 149.57      
6 A" 928 886 6.41      

Unscaled Zero Point Vibrational Energy (zpe) 5535.8 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 5286.7 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 wB97X-D/TZVP
ABC
13.17323 1.31382 1.19467

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

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 1.393 0.000
H4 -0.759 -1.120 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.21741.09801.9586
N21.21742.12931.0226
H31.09802.12932.5143
H41.95861.02262.5143

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.702 H3 C1 N2 133.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.059      
2 N -0.275      
3 H 0.122      
4 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.408 0.366 0.000 2.436
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.291 0.681 0.000
y 0.681 -11.214 0.000
z 0.000 0.000 -12.693
Traceless
 xyz
x -0.338 0.681 0.000
y 0.681 1.278 0.000
z 0.000 0.000 -0.940
Polar
3z2-r2-1.881
x2-y2-1.077
xy0.681
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.319 0.093 0.000
y 0.093 4.288 0.000
z 0.000 0.000 1.640


<r2> (average value of r2) Å2
<r2> 16.741
(<r2>)1/2 4.092

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-93.964850
Energy at 298.15K-93.966192
HF Energy-93.964850
Nuclear repulsion energy28.274933
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 wB97X-D/TZVP
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' 3491 3334 9.39      
2 A' 3052 2915 21.27      
3 A' 1835 1752 37.47      
4 A' 1193 1139 10.22      
5 A' 898 858 236.49      
6 A" 989 944 127.49      

Unscaled Zero Point Vibrational Energy (zpe) 5729.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 5471.2 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 wB97X-D/TZVP
ABC
13.92537 1.30422 1.19253

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 0.645 0.000
N2 -0.000 -0.581 0.000
H3 0.899 1.270 0.000
H4 -0.894 -1.069 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.22631.09531.9332
N21.22632.05851.0180
H31.09532.05852.9476
H41.93321.01802.9476

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.642 H3 C1 N2 124.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.100      
2 N -0.271      
3 H 0.137      
4 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.508 0.196 0.000 0.545
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.385 3.375 0.000
y 3.375 -11.609 0.000
z 0.000 0.000 -12.767
Traceless
 xyz
x 0.803 3.375 0.000
y 3.375 0.467 0.000
z 0.000 0.000 -1.270
Polar
3z2-r2-2.541
x2-y20.224
xy3.375
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.524 0.301 0.000
y 0.301 4.135 0.000
z 0.000 0.000 1.771


<r2> (average value of r2) Å2
<r2> 16.687
(<r2>)1/2 4.085