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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-207.400934
Energy at 298.15K-207.404298
HF Energy-206.781479
Nuclear repulsion energy101.305852
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/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 3847 3656 48.77 56.71 0.27 0.42
2 A 3183 3025 5.68 77.54 0.47 0.64
3 A 3086 2933 27.77 114.48 0.13 0.22
4 A 2190 2082 9.52 29.48 0.24 0.39
5 A 1495 1421 1.68 12.20 0.68 0.81
6 A 1432 1361 44.73 5.38 0.74 0.85
7 A 1388 1319 3.01 4.48 0.75 0.86
8 A 1238 1176 14.75 3.64 0.62 0.76
9 A 1116 1061 96.96 4.61 0.34 0.50
10 A 997 948 17.59 0.59 0.35 0.52
11 A 910 865 17.08 3.09 0.15 0.26
12 A 577 548 3.26 1.60 0.26 0.41
13 A 396 376 85.98 0.99 0.73 0.84
14 A 306 291 55.48 4.09 0.75 0.86
15 A 208 197 7.13 3.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11184.6 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 10629.9 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/cc-pVDZ
ABC
1.11070 0.15846 0.14385

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.586 0.589 0.037
C2 0.822 0.122 -0.005
O3 -1.513 -0.462 -0.112
H4 -0.726 1.162 0.972
H5 -0.749 1.280 -0.802
H6 -1.383 -1.058 0.639
N7 1.936 -0.280 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48371.41001.10521.09921.92662.6676
C21.48372.40922.10522.10742.58231.1842
O31.41002.40922.10552.02370.96743.4549
H41.10522.10522.10551.77882.33933.1842
H51.09922.10742.02371.77882.81873.2024
H61.92662.58230.96742.33932.81873.4708
N72.66761.18423.45493.18423.20243.4708

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.142 C1 O3 H6 106.790
C2 C1 O3 112.708 C2 C1 H4 107.918
C2 C1 H5 108.441 O3 C1 H4 113.113
O3 C1 H5 106.859 H4 C1 H5 107.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability