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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-207.095111
Energy at 298.15K-207.098316
HF Energy-206.660422
Nuclear repulsion energy99.639393
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/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 3635 3453 20.27 76.94 0.29 0.45
2 A 3172 3014 4.99 74.15 0.46 0.63
3 A 3074 2921 23.65 100.58 0.15 0.26
4 A 2102 1997 12.71 20.01 0.27 0.43
5 A 1564 1486 2.96 17.51 0.68 0.81
6 A 1426 1355 18.34 9.84 0.73 0.85
7 A 1386 1317 7.56 10.98 0.75 0.86
8 A 1234 1172 21.31 4.72 0.71 0.83
9 A 1011 960 0.35 4.79 0.39 0.56
10 A 975 926 95.97 4.06 0.40 0.57
11 A 888 843 32.99 4.88 0.08 0.14
12 A 543 516 5.63 1.75 0.27 0.42
13 A 378 359 159.31 2.66 0.74 0.85
14 A 269 255 50.72 7.03 0.75 0.86
15 A 184 175 5.66 4.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10919.7 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 10374.8 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=FULL/6-31G
ABC
1.03928 0.15489 0.13976

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.569 0.620 0.036
C2 0.837 0.140 0.001
O3 -1.535 -0.475 -0.115
H4 -0.743 1.184 0.965
H5 -0.765 1.280 -0.813
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
C11.48691.46841.09981.09332.02922.6868
C21.48692.45382.12512.12822.70491.2007
O31.46842.45382.13222.04010.98113.4933
H41.09982.12512.13221.78102.40363.2316
H51.09332.12822.04011.78102.87243.2451
H62.02922.70490.98112.40362.87243.5884
N72.68681.20073.49333.23163.24513.5884

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 177.062 C1 O3 H6 110.286
C2 C1 O3 112.254 C2 C1 H4 109.573
C2 C1 H5 110.202 O3 C1 H4 111.438
O3 C1 H5 104.621 H4 C1 H5 108.601
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability