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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2/SDD

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-207.117995
Energy at 298.15K-207.121242
HF Energy-206.694475
Nuclear repulsion energy98.733643
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/SDD
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 3653 3526 22.04 72.62 0.27 0.42
2 A 3179 3068 7.13 63.58 0.46 0.63
3 A 3073 2966 34.42 111.89 0.09 0.17
4 A 2046 1975 15.87 24.20 0.20 0.33
5 A 1529 1476 5.05 11.43 0.72 0.84
6 A 1417 1368 20.52 7.46 0.74 0.85
7 A 1355 1308 7.32 10.23 0.74 0.85
8 A 1221 1179 24.24 3.91 0.73 0.84
9 A 1007 972 1.35 3.93 0.39 0.56
10 A 965 931 105.53 6.60 0.37 0.54
11 A 872 842 34.30 6.74 0.08 0.14
12 A 547 528 3.24 2.87 0.20 0.34
13 A 366 354 126.51 1.97 0.74 0.85
14 A 293 283 95.26 7.90 0.75 0.86
15 A 209 202 6.89 5.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10866.4 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 10489.3 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/SDD
ABC
1.05159 0.15050 0.13638

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.571 0.622 0.038
C2 0.843 0.119 0.001
O3 -1.564 -0.465 -0.113
H4 -0.731 1.183 0.975
H5 -0.754 1.280 -0.821
H6 -1.505 -1.107 0.633
N7 1.982 -0.297 -0.017

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.50131.48041.10361.09712.05342.7141
C21.50132.47912.13492.13872.72271.2128
O31.48042.47912.14342.05030.98553.5508
H41.10362.13492.14341.79882.44103.2455
H51.09712.13872.05031.79882.89403.2590
H62.05342.72270.98552.44102.89403.6376
N72.71411.21283.55083.24553.25903.6376

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 179.241 C1 O3 H6 111.162
C2 C1 O3 112.492 C2 C1 H4 109.130
C2 C1 H5 109.811 O3 C1 H4 111.253
O3 C1 H5 104.413 H4 C1 H5 109.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability