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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP3=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (Cs)

Jump to S1C2
Vibrational Frequencies calculated at MP3=FULL/3-21G*
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/3-21G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/3-21G*
 hartrees
Energy at 0K-206.024394
Energy at 298.15K-206.027869
HF Energy-205.609180
Nuclear repulsion energy100.692107
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/3-21G*
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 3548 3548 3.76      
2 A 3152 3152 4.59      
3 A 3069 3069 21.58      
4 A 2409 2409 2.22      
5 A 1586 1586 3.50      
6 A 1442 1442 25.63      
7 A 1426 1426 1.62      
8 A 1284 1284 20.94      
9 A 1037 1037 7.66      
10 A 1000 1000 73.45      
11 A 896 896 29.77      
12 A 597 597 2.41      
13 A 444 444 50.64      
14 A 342 342 130.65      
15 A 230 230 6.60      

Unscaled Zero Point Vibrational Energy (zpe) 11230.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11230.6 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 MP3=FULL/3-21G*
ABC
1.06308 0.15787 0.14264

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.559 0.614 0.037
C2 0.839 0.122 0.003
O3 -1.533 -0.465 -0.116
H4 -0.707 1.190 0.960
H5 -0.727 1.279 -0.813
H6 -1.447 -1.064 0.668
N7 1.923 -0.299 -0.019

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48271.46161.09851.09272.00082.6447
C21.48272.44652.10972.11202.66031.1624
O31.46162.44652.13982.04420.98993.4607
H41.09852.10972.13981.77602.39043.1771
H51.09272.11202.04421.77602.86423.1851
H62.00082.66030.98992.39042.86423.5232
N72.64471.16243.46073.17713.18513.5232

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.143 C1 O3 H6 107.850
C2 C1 O3 112.385 C2 C1 H4 108.726
C2 C1 H5 109.245 O3 C1 H4 112.635
O3 C1 H5 105.398 H4 C1 H5 108.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability