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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP3=FULL/cc-pVDZ

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/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-207.410692
Energy at 298.15K-207.414097
HF Energy-206.785822
Nuclear repulsion energy101.792444
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/cc-pVDZ
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 3905 3672 45.19      
2 A 3183 2993 6.33      
3 A 3096 2911 26.14      
4 A 2426 2281 0.88      
5 A 1503 1413 1.77      
6 A 1454 1367 53.86      
7 A 1405 1322 4.45      
8 A 1249 1175 13.97      
9 A 1144 1076 94.77      
10 A 1005 945 16.87      
11 A 920 865 19.81      
12 A 588 553 2.77      
13 A 399 375 71.39      
14 A 315 296 72.50      
15 A 215 202 8.21      

Unscaled Zero Point Vibrational Energy (zpe) 11403.2 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 10722.4 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/cc-pVDZ
ABC
1.12433 0.15947 0.14489

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.583 0.587 0.038
C2 0.828 0.113 -0.005
O3 -1.511 -0.456 -0.112
H4 -0.718 1.157 0.974
H5 -0.737 1.282 -0.800
H6 -1.393 -1.056 0.633
N7 1.923 -0.276 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48901.40501.10471.09911.92632.6513
C21.48902.41012.10682.10902.58971.1625
O31.40502.41012.10072.02360.96343.4408
H41.10472.10682.10071.77902.33843.1638
H51.09912.10902.02361.77902.81943.1815
H61.92632.58970.96342.33842.81943.4679
N72.65131.16253.44083.16383.18153.4679

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.486 C1 O3 H6 107.379
C2 C1 O3 112.741 C2 C1 H4 107.717
C2 C1 H5 108.206 O3 C1 H4 113.113
O3 C1 H5 107.196 H4 C1 H5 107.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability