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All results from a given calculation for HCNH (methyleneazane)

using model chemistry: MP3=FULL/6-31+G**

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 MP3=FULL/6-31+G**
 hartrees
Energy at 0K-93.698545
Energy at 298.15K-93.699836
HF Energy-93.402383
Nuclear repulsion energy28.476724
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 MP3=FULL/6-31+G**
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' 3524 3283 13.30      
2 A' 3117 2904 157.39      
3 A' 2303 2146 387.02      
4 A' 1077 1003 103.64      
5 A' 797 743 225.24      
6 A" 954 889 5.71      

Unscaled Zero Point Vibrational Energy (zpe) 5885.8 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 5483.2 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 MP3=FULL/6-31+G**
ABC
13.38743 1.32486 1.20555

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.110 0.624 0.000
N2 0.110 -0.578 0.000
H3 -0.665 1.397 0.000
H4 -0.765 -1.097 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.20241.09461.9308
N21.20242.12211.0172
H31.09462.12212.4962
H41.93081.01722.4962

picture of methyleneazane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 120.660 H3 C1 N2 134.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-93.708203
Energy at 298.15K-93.709543
HF Energy-93.408843
Nuclear repulsion energy28.432067
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 MP3=FULL/6-31+G**
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' 3636 3388 44.01      
2 A' 3168 2952 103.52      
3 A' 2329 2169 439.51      
4 A' 1229 1145 15.75      
5 A' 871 811 379.93      
6 A" 999 931 186.62      

Unscaled Zero Point Vibrational Energy (zpe) 6116.1 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 5697.8 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 MP3=FULL/6-31+G**
ABC
14.40092 1.31467 1.20469

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 0.635 0.000
N2 -0.001 -0.572 0.000
H3 0.894 1.260 0.000
H4 -0.884 -1.068 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.20771.09101.9193
N21.20772.03921.0135
H31.09102.03922.9299
H41.91931.01352.9299

picture of methyleneazane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.304 H3 C1 N2 124.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability