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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCD/6-31G**

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 CCD/6-31G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-31G**
 hartrees
Energy at 0K-207.393665
Energy at 298.15K-207.397042
HF Energy-206.773029
Nuclear repulsion energy101.847209
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3923 3678 35.38      
2 A 3206 3006 7.37      
3 A 3121 2926 25.69      
4 A 2381 2233 2.79      
5 A 1555 1458 0.87      
6 A 1457 1366 52.42      
7 A 1423 1334 3.43      
8 A 1256 1177 19.10      
9 A 1131 1061 91.64      
10 A 1017 953 26.10      
11 A 924 866 22.26      
12 A 583 546 2.84      
13 A 393 369 82.13      
14 A 310 290 80.64      
15 A 212 199 8.55      

Unscaled Zero Point Vibrational Energy (zpe) 11446.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 10731.8 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 CCD/6-31G**
ABC
1.11896 0.15994 0.14518

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 0.592 0.037
C2 0.826 0.115 -0.005
O3 -1.507 -0.459 -0.114
H4 -0.721 1.150 0.966
H5 -0.739 1.276 -0.793
H6 -1.427 -1.044 0.645
N7 1.922 -0.279 -0.014

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48361.41111.09321.08801.94152.6474
C21.48362.40522.10042.10282.61591.1640
O31.41112.40522.09132.01490.96233.4348
H41.09322.10042.09131.76442.32733.1606
H51.08802.10282.01491.76442.81543.1794
H61.94152.61590.96232.32732.81543.4974
N72.64741.16403.43483.16063.17943.4974

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.428 C1 O3 H6 108.279
C2 C1 O3 112.351 C2 C1 H4 108.244
C2 C1 H5 108.734 O3 C1 H4 112.630
O3 C1 H5 106.746 H4 C1 H5 107.983
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability