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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2=FULL/6-31+G**

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-207.411784
Energy at 298.15K-207.415093
HF Energy-206.777322
Nuclear repulsion energy101.487435
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/6-31+G**
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 3872 3637 51.73 57.71 0.19 0.32
2 A 3226 3030 2.51 69.09 0.50 0.67
3 A 3134 2943 20.35 109.97 0.11 0.20
4 A 2204 2070 7.72 42.20 0.18 0.31
5 A 1541 1447 2.09 10.29 0.72 0.84
6 A 1435 1348 39.97 5.46 0.75 0.86
7 A 1384 1300 2.55 5.18 0.74 0.85
8 A 1232 1157 18.53 2.89 0.47 0.64
9 A 1093 1027 102.07 7.31 0.24 0.39
10 A 1005 943 28.87 0.40 0.34 0.51
11 A 915 859 20.58 3.72 0.11 0.20
12 A 568 533 3.88 1.65 0.22 0.37
13 A 378 355 97.57 0.75 0.75 0.86
14 A 295 277 75.61 3.40 0.75 0.86
15 A 202 190 8.33 4.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11241.0 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 10557.6 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/6-31+G**
ABC
1.11250 0.15915 0.14434

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.575 0.596 0.038
C2 0.819 0.117 -0.004
O3 -1.513 -0.458 -0.111
H4 -0.723 1.150 0.967
H5 -0.745 1.272 -0.796
H6 -1.407 -1.077 0.622
N7 1.931 -0.281 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47521.41851.09151.08641.95792.6554
C21.47522.40462.09492.09872.60301.1805
O31.41852.40462.09092.01240.96613.4495
H41.09152.09492.09091.76702.35553.1706
H51.08642.09872.01241.76702.82263.1900
H61.95792.60300.96612.35552.82263.4897
N72.65541.18053.44953.17063.19003.4897

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.639 C1 O3 H6 108.902
C2 C1 O3 112.385 C2 C1 H4 108.482
C2 C1 H5 109.089 O3 C1 H4 112.164
O3 C1 H5 106.153 H4 C1 H5 108.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability