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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-207.611726
Energy at 298.15K-207.615018
HF Energy-206.847482
Nuclear repulsion energy101.913313
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/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 3830 3650 57.35 60.88 0.14 0.24
2 A 3165 3016 1.15 63.65 0.43 0.60
3 A 3086 2940 16.60 119.40 0.08 0.15
4 A 2190 2087 5.81 52.52 0.14 0.24
5 A 1510 1439 3.29 6.67 0.64 0.78
6 A 1417 1351 35.38 2.30 0.72 0.84
7 A 1373 1308 2.74 2.43 0.56 0.72
8 A 1232 1174 16.63 2.55 0.26 0.42
9 A 1087 1036 98.52 6.55 0.23 0.37
10 A 994 947 21.70 0.57 0.13 0.24
11 A 908 865 15.55 4.45 0.06 0.11
12 A 573 546 1.45 1.56 0.11 0.20
13 A 359 342 37.87 0.47 0.74 0.85
14 A 284 270 93.95 1.33 0.75 0.86
15 A 205 195 13.02 2.16 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 11105.9 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 10582.8 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/aug-cc-pVTZ
ABC
1.11440 0.16082 0.14569

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.573 0.594 0.038
C2 0.819 0.120 -0.006
O3 -1.507 -0.457 -0.109
H4 -0.719 1.149 0.967
H5 -0.740 1.274 -0.793
H6 -1.379 -1.082 0.613
N7 1.918 -0.282 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47111.41411.09181.08731.94672.6413
C21.47112.39882.09092.09312.58051.1705
O31.41412.39882.08822.01370.96363.4311
H41.09182.09092.08821.76522.35383.1573
H51.08732.09312.01371.76522.81763.1766
H61.94672.58050.96362.35382.81763.4507
N72.64131.17053.43113.15733.17663.4507

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.196 C1 O3 H6 108.427
C2 C1 O3 112.471 C2 C1 H4 108.431
C2 C1 H5 108.867 O3 C1 H4 112.241
O3 C1 H5 106.490 H4 C1 H5 108.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability