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All results from a given calculation for HOCH2CN (cyanomethanol)

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

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-207.447892
Energy at 298.15K-207.451193
HF Energy-206.796500
Nuclear repulsion energy101.010581
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-pVDZ
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 3815 3698 51.91 61.55 0.14 0.25
2 A 3173 3076 2.07 65.09 0.45 0.62
3 A 3088 2993 19.55 122.39 0.08 0.15
4 A 2165 2098 8.06 50.32 0.15 0.26
5 A 1484 1438 2.66 6.87 0.64 0.78
6 A 1407 1364 39.94 2.57 0.71 0.83
7 A 1359 1317 2.37 2.24 0.60 0.75
8 A 1220 1182 16.01 2.39 0.30 0.46
9 A 1078 1045 97.25 6.45 0.24 0.39
10 A 986 955 18.51 0.66 0.13 0.23
11 A 905 877 16.42 5.11 0.07 0.13
12 A 568 550 1.72 1.70 0.12 0.21
13 A 365 354 56.20 0.42 0.74 0.85
14 A 291 282 78.95 1.73 0.75 0.86
15 A 206 200 9.99 2.42 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 11054.1 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 10713.6 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-pVDZ
ABC
1.10371 0.15756 0.14295

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.579 0.596 0.038
C2 0.824 0.120 -0.005
O3 -1.521 -0.460 -0.111
H4 -0.727 1.157 0.976
H5 -0.748 1.281 -0.803
H6 -1.403 -1.079 0.623
N7 1.940 -0.282 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48291.42271.10241.09771.95602.6684
C21.48292.41832.10792.11072.60611.1857
O31.42272.41832.10392.02660.96763.4667
H41.10242.10792.10391.78322.36233.1878
H51.09772.11072.02661.78322.83413.2071
H61.95602.60610.96762.36232.83413.4950
N72.66841.18573.46673.18783.20713.4950

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.378 C1 O3 H6 108.321
C2 C1 O3 112.648 C2 C1 H4 108.348
C2 C1 H5 108.837 O3 C1 H4 112.236
O3 C1 H5 106.331 H4 C1 H5 108.300
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability