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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: CCD/6-311G**

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 CCD/6-311G**
 hartrees
Energy at 0K-93.719715
Energy at 298.15K-93.721015
HF Energy-93.419684
Nuclear repulsion energy28.472743
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 CCD/6-311G**
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' 3437 3282 3.34      
2 A' 3032 2896 151.45      
3 A' 2268 2167 270.16      
4 A' 1074 1026 124.57      
5 A' 812 776 174.86      
6 A" 958 915 3.97      

Unscaled Zero Point Vibrational Energy (zpe) 5790.6 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 5530.6 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 CCD/6-311G**
ABC
12.94592 1.33224 1.20794

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.626 0.000
N2 0.111 -0.583 0.000
H3 -0.663 1.410 0.000
H4 -0.780 -1.086 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.20911.10141.9304
N21.20912.13761.0235
H31.10142.13762.4985
H41.93041.02352.4985

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.452 H3 C1 N2 135.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-93.728092
Energy at 298.15K-93.729430
HF Energy-93.425374
Nuclear repulsion energy28.417615
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 CCD/6-311G**
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' 3546 3387 25.14      
2 A' 3066 2928 113.16      
3 A' 2306 2203 340.03      
4 A' 1220 1165 8.80      
5 A' 865 826 340.76      
6 A" 991 947 161.66      

Unscaled Zero Point Vibrational Energy (zpe) 5996.9 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 5727.7 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 CCD/6-311G**
ABC
13.90164 1.32083 1.20623

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 0.639 0.000
N2 -0.000 -0.577 0.000
H3 0.897 1.275 0.000
H4 -0.892 -1.069 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.21681.10001.9268
N21.21682.05851.0182
H31.10002.05852.9488
H41.92681.01822.9488

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.849 H3 C1 N2 125.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability