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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: B2PLYP=FULL/3-21G*

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 B2PLYP=FULL/3-21G*
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/3-21G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-206.544202
Energy at 298.15K-206.547686
HF Energy-206.399370
Nuclear repulsion energy100.712620
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 B2PLYP=FULL/3-21G*
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 3496 3496 5.71 80.61 0.30 0.47
2 A 3155 3155 3.71 80.26 0.40 0.58
3 A 3060 3060 24.47 96.98 0.19 0.33
4 A 2268 2268 4.14 30.90 0.27 0.42
5 A 1571 1571 4.40 20.75 0.68 0.81
6 A 1429 1429 19.77 12.49 0.75 0.85
7 A 1410 1410 3.40 11.38 0.74 0.85
8 A 1279 1279 22.16 5.57 0.68 0.81
9 A 1022 1022 1.43 6.28 0.38 0.55
10 A 985 985 86.13 3.01 0.37 0.54
11 A 890 890 25.10 2.36 0.09 0.17
12 A 601 601 2.30 2.24 0.27 0.43
13 A 455 455 45.90 1.72 0.73 0.84
14 A 347 347 129.59 8.76 0.75 0.86
15 A 231 231 6.18 4.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11098.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11098.3 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 B2PLYP=FULL/3-21G*
ABC
1.06701 0.15808 0.14284

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.557 0.611 0.038
C2 0.833 0.125 0.002
O3 -1.533 -0.464 -0.115
H4 -0.702 1.191 0.957
H5 -0.727 1.274 -0.811
H6 -1.431 -1.073 0.664
N7 1.924 -0.300 -0.019

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47261.45951.09691.09041.99772.6437
C21.47262.44072.09872.10092.64541.1715
O31.45952.44072.13942.03770.99373.4621
H41.09692.09872.13941.77042.39653.1743
H51.09042.10092.03771.77042.85953.1833
H61.99772.64540.99372.39652.85953.5101
N72.64371.17153.46213.17433.18333.5101

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 177.924 C1 O3 H6 107.519
C2 C1 O3 112.693 C2 C1 H4 108.644
C2 C1 H5 109.206 O3 C1 H4 112.862
O3 C1 H5 105.178 H4 C1 H5 108.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability