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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2/6-31+G**

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 MP2/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-207.394913
Energy at 298.15K-207.398203
HF Energy-206.776935
Nuclear repulsion energy101.379488
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 MP2/6-31+G**
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 3870 3640 51.49 57.81 0.19 0.32
2 A 3223 3032 2.58 69.48 0.50 0.67
3 A 3131 2945 20.49 110.10 0.11 0.20
4 A 2196 2066 8.00 41.96 0.18 0.31
5 A 1539 1448 1.97 10.34 0.72 0.84
6 A 1433 1347 40.76 5.49 0.75 0.86
7 A 1382 1300 2.50 5.13 0.74 0.85
8 A 1229 1156 18.11 2.96 0.47 0.64
9 A 1091 1026 102.18 7.34 0.24 0.39
10 A 1004 944 28.92 0.39 0.34 0.50
11 A 913 859 20.75 3.81 0.11 0.20
12 A 564 530 4.22 1.63 0.22 0.36
13 A 376 354 105.80 0.63 0.75 0.86
14 A 290 273 67.05 3.52 0.75 0.86
15 A 197 186 8.00 4.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11218.5 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 10552.1 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 MP2/6-31+G**
ABC
1.10908 0.15885 0.14404

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.577 0.597 0.038
C2 0.820 0.118 -0.005
O3 -1.514 -0.459 -0.111
H4 -0.724 1.151 0.968
H5 -0.747 1.273 -0.796
H6 -1.406 -1.079 0.623
N7 1.932 -0.281 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47731.41981.09261.08741.95902.6589
C21.47732.40712.09732.10152.60431.1818
O31.41982.40712.09292.01430.96673.4525
H41.09262.09732.09291.76912.35713.1743
H51.08742.10152.01431.76912.82473.1946
H61.95902.60430.96672.35712.82473.4909
N72.65891.18183.45253.17433.19463.4909

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.560 C1 O3 H6 108.856
C2 C1 O3 112.360 C2 C1 H4 108.464
C2 C1 H5 109.102 O3 C1 H4 112.164
O3 C1 H5 106.153 H4 C1 H5 108.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability