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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2/6-31G

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 MP2/6-31G
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-207.090305
Energy at 298.15K-207.093509
HF Energy-206.660358
Nuclear repulsion energy99.625438
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 MP2/6-31G
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 3634 3477 20.25 76.95 0.29 0.45
2 A 3172 3035 5.02 74.18 0.46 0.63
3 A 3074 2941 23.71 100.61 0.15 0.26
4 A 2101 2011 12.75 19.97 0.27 0.43
5 A 1564 1497 2.94 17.51 0.68 0.81
6 A 1426 1364 18.52 9.85 0.73 0.85
7 A 1386 1326 7.47 10.96 0.75 0.86
8 A 1234 1181 21.28 4.73 0.72 0.83
9 A 1011 967 0.34 4.77 0.39 0.56
10 A 975 932 96.04 4.09 0.40 0.57
11 A 888 849 32.98 4.88 0.08 0.14
12 A 543 519 5.62 1.75 0.27 0.42
13 A 378 362 159.58 2.67 0.74 0.85
14 A 268 257 50.38 7.02 0.75 0.86
15 A 184 176 5.65 4.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10918.4 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 10446.7 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 MP2/6-31G
ABC
1.03881 0.15486 0.13972

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.569 0.620 0.036
C2 0.838 0.140 0.001
O3 -1.535 -0.476 -0.115
H4 -0.743 1.184 0.965
H5 -0.765 1.280 -0.814
H6 -1.486 -1.081 0.655
N7 1.953 -0.305 -0.016

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48721.46861.09991.09342.02942.6872
C21.48722.45422.12542.12852.70531.2009
O31.46862.45422.13242.04040.98113.4937
H41.09992.12542.13241.78122.40383.2321
H51.09342.12852.04041.78122.87273.2456
H62.02942.70530.98112.40382.87273.5886
N72.68721.20093.49373.23213.24563.5886

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 177.038 C1 O3 H6 110.283
C2 C1 O3 112.255 C2 C1 H4 109.568
C2 C1 H5 110.198 O3 C1 H4 111.438
O3 C1 H5 104.620 H4 C1 H5 108.611
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability