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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2=FULL/STO-3G

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 MP2=FULL/STO-3G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-204.344943
Energy at 298.15K-204.348116
HF Energy-204.077753
Nuclear repulsion energy98.110686
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 MP2=FULL/STO-3G
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 3876 3445 31.01 34.66 0.28 0.44
2 A 3474 3088 0.64 32.57 0.68 0.81
3 A 3352 2979 4.27 37.99 0.14 0.25
4 A 2099 1866 54.30 3.27 0.19 0.32
5 A 1674 1488 1.46 14.33 0.75 0.86
6 A 1628 1447 13.32 12.84 0.70 0.82
7 A 1498 1332 17.45 3.82 0.61 0.76
8 A 1341 1192 4.38 5.76 0.69 0.82
9 A 1168 1038 10.15 3.67 0.44 0.61
10 A 1038 923 10.04 0.93 0.55 0.71
11 A 911 810 9.06 4.07 0.22 0.36
12 A 570 506 1.84 1.53 0.31 0.47
13 A 419 373 63.34 3.36 0.75 0.86
14 A 300 266 22.78 4.29 0.75 0.86
15 A 208 185 4.29 2.46 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 11777.4 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 10469.0 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 MP2=FULL/STO-3G
ABC
1.06280 0.14750 0.13439

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.604 0.603 0.037
C2 0.849 0.125 0.001
O3 -1.573 -0.477 -0.122
H4 -0.752 1.177 0.985
H5 -0.765 1.303 -0.814
H6 -1.403 -1.030 0.715
N7 2.005 -0.286 -0.020

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.53031.45991.11751.11321.94022.7569
C21.53032.49912.15342.15792.62931.2269
O31.45992.49912.15242.07371.01723.5850
H41.11752.15342.15241.80272.31643.2784
H51.11322.15792.07371.80272.86103.2904
H61.94022.62931.01722.31642.86103.5645
N72.75691.22693.58503.27843.29043.5645

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.617 C1 O3 H6 101.623
C2 C1 O3 113.372 C2 C1 H4 107.817
C2 C1 H5 108.406 O3 C1 H4 112.583
O3 C1 H5 106.623 H4 C1 H5 107.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability