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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD=FULL/6-31G*
 hartrees
Energy at 0K-207.386854
Energy at 298.15K-207.390229
HF Energy-206.762530
Nuclear repulsion energy101.685308
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 CCSD=FULL/6-31G*
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 3765 3576 33.07      
2 A 3158 3000 5.99      
3 A 3073 2918 23.60      
4 A 2365 2246 2.46      
5 A 1546 1469 1.88      
6 A 1453 1380 51.14      
7 A 1415 1344 2.03      
8 A 1252 1189 20.66      
9 A 1121 1065 90.12      
10 A 1013 963 25.77      
11 A 920 874 21.92      
12 A 582 553 2.59      
13 A 398 378 81.63      
14 A 313 297 87.52      
15 A 215 204 8.55      

Unscaled Zero Point Vibrational Energy (zpe) 11294.4 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 10727.4 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 CCSD=FULL/6-31G*
ABC
1.11221 0.15982 0.14503

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.577 0.594 0.038
C2 0.826 0.114 -0.006
O3 -1.508 -0.459 -0.115
H4 -0.724 1.154 0.972
H5 -0.743 1.280 -0.797
H6 -1.424 -1.052 0.650
N7 1.923 -0.280 -0.014

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48301.41361.09911.09341.95002.6481
C21.48302.40542.10672.10852.61841.1653
O31.41362.40542.09742.01820.97203.4362
H41.09912.10672.09741.77362.33723.1672
H51.09342.10852.01821.77362.82793.1859
H61.95002.61840.97202.33722.82793.4987
N72.64811.16533.43623.16723.18593.4987

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.436 C1 O3 H6 108.230
C2 C1 O3 112.265 C2 C1 H4 108.438
C2 C1 H5 108.908 O3 C1 H4 112.574
O3 C1 H5 106.525 H4 C1 H5 107.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability