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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCSD=FULL/TZVP

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-207.571325
Energy at 298.15K-207.574728
HF Energy-206.841438
Nuclear repulsion energy102.158001
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/TZVP
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 3877 3673 38.85      
2 A 3168 3001 4.75      
3 A 3085 2923 23.75      
4 A 2363 2239 2.31      
5 A 1526 1446 2.81      
6 A 1458 1381 48.80      
7 A 1410 1336 1.81      
8 A 1244 1178 15.77      
9 A 1112 1054 95.13      
10 A 1016 963 21.94      
11 A 910 862 21.92      
12 A 585 554 4.00      
13 A 399 378 99.24      
14 A 315 298 62.07      
15 A 217 206 9.27      

Unscaled Zero Point Vibrational Energy (zpe) 11341.2 cm-1
Scaled (by 0.9475) Zero Point Vibrational Energy (zpe) 10745.8 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 CCSD=FULL/TZVP
ABC
1.13241 0.16061 0.14582

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.572 0.590 0.038
C2 0.826 0.110 -0.006
O3 -1.513 -0.450 -0.109
H4 -0.706 1.143 0.971
H5 -0.729 1.277 -0.790
H6 -1.382 -1.076 0.609
N7 1.914 -0.277 -0.016

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47881.41041.09291.08761.93862.6335
C21.47882.40692.09042.09672.58061.1549
O31.41042.40692.08722.01510.96163.4322
H41.09292.09042.08721.76722.34743.1394
H51.08762.09672.01511.76722.81443.1628
H61.93862.58060.96162.34742.81443.4485
N72.63351.15493.43223.13943.16283.4485

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.613 C1 O3 H6 108.138
C2 C1 O3 112.807 C2 C1 H4 107.805
C2 C1 H5 108.612 O3 C1 H4 112.357
O3 C1 H5 106.839 H4 C1 H5 108.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability