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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-207.510919
Energy at 298.15K-207.514311
HF Energy-206.809563
Nuclear repulsion energy101.829118
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/6-311G*
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 3644 35.34 55.66 0.30 0.46
2 A 3187 3019 4.05 72.00 0.45 0.62
3 A 3090 2926 24.67 105.48 0.14 0.24
4 A 2200 2084 8.79 31.74 0.23 0.38
5 A 1533 1452 3.94 10.95 0.69 0.82
6 A 1450 1373 45.56 6.56 0.73 0.84
7 A 1407 1333 1.65 5.66 0.75 0.86
8 A 1257 1190 24.72 3.09 0.66 0.80
9 A 1114 1055 96.28 5.55 0.31 0.47
10 A 1009 956 24.33 0.43 0.48 0.65
11 A 913 864 19.19 2.60 0.13 0.23
12 A 585 554 3.98 1.74 0.26 0.42
13 A 403 382 111.29 0.94 0.73 0.85
14 A 314 297 68.62 4.37 0.75 0.86
15 A 214 203 8.71 3.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11261.3 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 10665.6 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/6-311G*
ABC
1.11773 0.16020 0.14530

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 0.591 0.038
C2 0.821 0.121 -0.006
O3 -1.506 -0.458 -0.111
H4 -0.722 1.149 0.970
H5 -0.747 1.274 -0.794
H6 -1.399 -1.066 0.625
N7 1.923 -0.281 -0.014

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47601.40881.09591.08961.94062.6487
C21.47602.40052.09472.09952.59561.1731
O31.40882.40052.08962.01070.96103.4350
H41.09592.09472.08961.76882.34183.1633
H51.08962.09952.01071.76882.81363.1866
H61.94062.59560.96102.34182.81363.4729
N72.64871.17313.43503.16333.18663.4729

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.012 C1 O3 H6 108.465
C2 C1 O3 112.611 C2 C1 H4 108.160
C2 C1 H5 108.903 O3 C1 H4 112.480
O3 C1 H5 106.476 H4 C1 H5 108.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability