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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-207.407331
Energy at 298.15K-207.410668
HF Energy-206.780505
Nuclear repulsion energy101.726429
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 CCD/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 3915 3689 45.88      
2 A 3211 3026 4.08      
3 A 3127 2947 21.60      
4 A 2370 2233 2.17      
5 A 1548 1458 1.57      
6 A 1449 1366 48.93      
7 A 1401 1320 3.25      
8 A 1242 1170 18.03      
9 A 1120 1055 101.03      
10 A 1011 953 26.40      
11 A 919 866 22.81      
12 A 574 541 3.64      
13 A 380 358 87.60      
14 A 300 282 86.15      
15 A 207 195 9.03      

Unscaled Zero Point Vibrational Energy (zpe) 11385.9 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 10728.9 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 CCD/6-31+G**
ABC
1.12342 0.15927 0.14463

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.575 0.594 0.038
C2 0.827 0.109 -0.004
O3 -1.514 -0.454 -0.112
H4 -0.718 1.147 0.969
H5 -0.737 1.275 -0.795
H6 -1.423 -1.069 0.623
N7 1.925 -0.278 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48371.41471.09251.08761.95662.6484
C21.48372.40932.10062.10422.61551.1647
O31.41472.40932.08912.01420.96333.4449
H41.09252.10062.08911.76852.35153.1602
H51.08762.10422.01421.76852.82423.1787
H61.95662.61550.96332.35152.82423.4990
N72.64841.16473.44493.16023.17873.4990

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.842 C1 O3 H6 109.259
C2 C1 O3 112.430 C2 C1 H4 108.293
C2 C1 H5 108.864 O3 C1 H4 112.226
O3 C1 H5 106.477 H4 C1 H5 108.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability