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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CBS-Q

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-207.654818
Energy at 298.15K-207.658583
HF Energy-206.763690
Nuclear repulsion energy103.075077
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 CBS-Q
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 4108 4108 59.23 61.31 0.32 0.48
2 A 3311 3311 8.95 75.95 0.47 0.64
3 A 3223 3223 29.65 101.03 0.15 0.26
4 A 2622 2622 1.79 42.86 0.26 0.41
5 A 1631 1631 1.12 12.23 0.70 0.83
6 A 1549 1549 69.70 5.02 0.69 0.82
7 A 1505 1505 6.61 6.27 0.75 0.86
8 A 1329 1329 33.14 2.52 0.72 0.84
9 A 1218 1218 116.72 7.57 0.37 0.55
10 A 1079 1079 28.32 0.65 0.58 0.74
11 A 953 953 32.86 2.82 0.16 0.28
12 A 635 635 0.52 2.06 0.36 0.53
13 A 429 429 57.72 1.78 0.74 0.85
14 A 342 342 146.30 5.57 0.75 0.86
15 A 242 242 14.05 5.45 0.75 0.85

Unscaled Zero Point Vibrational Energy (zpe) 12088.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12088.7 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 CBS-Q
ABC
1.11523 0.15849 0.14393

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.575 0.582 0.037
C2 0.831 0.100 -0.005
O3 -1.496 -0.444 -0.112
H4 -0.712 1.132 0.965
H5 -0.727 1.268 -0.786
H6 -1.449 -1.044 0.615
N7 1.903 -0.270 -0.013

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48681.38651.08771.08231.93452.6206
C21.48682.39182.09432.09782.62561.1340
O31.38652.39182.06351.99420.94333.4043
H41.08772.09432.06351.75682.32423.1238
H51.08232.09781.99421.75682.79823.1431
H61.93452.62560.94332.32422.79823.4972
N72.62061.13403.40433.12383.14313.4972

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.761 C1 O3 H6 110.826
C2 C1 O3 112.653 C2 C1 H4 107.871
C2 C1 H5 108.461 O3 C1 H4 112.469
O3 C1 H5 107.118 H4 C1 H5 108.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability