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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2=FULL/aug-cc-pVTZ

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-207.678657
Energy at 298.15K-207.681981
HF Energy-206.848659
Nuclear repulsion energy102.359075
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/aug-cc-pVTZ
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 3850 3663 57.80 60.32 0.14 0.24
2 A 3167 3013 1.21 67.19 0.37 0.54
3 A 3098 2947 16.45 115.56 0.09 0.17
4 A 2222 2114 4.85 53.75 0.14 0.24
5 A 1514 1441 3.59 6.59 0.63 0.77
6 A 1421 1352 34.81 2.43 0.71 0.83
7 A 1381 1314 2.38 2.45 0.59 0.74
8 A 1237 1177 17.11 2.57 0.25 0.40
9 A 1096 1043 99.36 6.21 0.24 0.39
10 A 998 949 19.13 0.66 0.11 0.21
11 A 919 874 16.23 4.27 0.06 0.11
12 A 580 552 1.38 1.46 0.11 0.20
13 A 367 349 32.17 0.53 0.74 0.85
14 A 290 276 100.89 1.24 0.75 0.86
15 A 209 199 13.15 2.12 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 11174.2 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 10631.1 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=FULL/aug-cc-pVTZ
ABC
1.12066 0.16250 0.14713

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.569 0.592 0.038
C2 0.814 0.122 -0.005
O3 -1.500 -0.455 -0.108
H4 -0.718 1.147 0.964
H5 -0.737 1.269 -0.792
H6 -1.369 -1.084 0.607
N7 1.908 -0.282 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.46161.40951.08911.08481.94232.6267
C21.46162.38782.08322.08392.56821.1654
O31.40952.38782.08032.00590.96113.4138
H41.08912.08322.08031.76042.35093.1458
H51.08482.08392.00591.76042.80943.1628
H61.94232.56820.96112.35092.80943.4305
N72.62671.16543.41383.14583.16283.4305

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.085 C1 O3 H6 108.550
C2 C1 O3 112.529 C2 C1 H4 108.633
C2 C1 H5 108.947 O3 C1 H4 112.097
O3 C1 H5 106.340 H4 C1 H5 108.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability