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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-207.500627
Energy at 298.15K-207.504024
HF Energy-206.841254
Nuclear repulsion energy102.092303
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/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 3874 3698 38.52      
2 A 3168 3023 4.89      
3 A 3085 2945 23.97      
4 A 2359 2252 2.41      
5 A 1525 1455 2.72      
6 A 1457 1391 49.46      
7 A 1409 1345 1.73      
8 A 1243 1186 15.51      
9 A 1110 1060 94.87      
10 A 1016 969 21.94      
11 A 908 867 22.07      
12 A 583 556 4.13      
13 A 398 380 101.51      
14 A 313 298 59.35      
15 A 216 206 9.18      

Unscaled Zero Point Vibrational Energy (zpe) 11331.7 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 10815.0 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/TZVP
ABC
1.13038 0.16043 0.14564

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.573 0.591 0.038
C2 0.826 0.110 -0.006
O3 -1.514 -0.451 -0.109
H4 -0.707 1.144 0.972
H5 -0.730 1.278 -0.791
H6 -1.381 -1.077 0.609
N7 1.915 -0.278 -0.016

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47991.41141.09361.08831.93912.6355
C21.47992.40832.09182.09822.58071.1558
O31.41142.40832.08862.01640.96183.4342
H41.09362.09182.08861.76862.34873.1417
H51.08832.09822.01641.76862.81553.1652
H61.93912.58070.96182.34872.81553.4487
N72.63551.15583.43423.14173.16523.4487

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.599 C1 O3 H6 108.096
C2 C1 O3 112.789 C2 C1 H4 107.805
C2 C1 H5 108.612 O3 C1 H4 112.357
O3 C1 H5 106.833 H4 C1 H5 108.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability