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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-207.366174
Energy at 298.15K-207.369539
HF Energy-206.762744
Nuclear repulsion energy101.695266
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/6-31G*
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 3785 3583 35.39      
2 A 3164 2995 5.69      
3 A 3080 2915 22.52      
4 A 2380 2253 2.49      
5 A 1548 1465 1.97      
6 A 1455 1377 51.96      
7 A 1417 1341 2.13      
8 A 1253 1186 20.02      
9 A 1127 1067 90.69      
10 A 1015 960 25.17      
11 A 924 874 22.29      
12 A 582 551 2.63      
13 A 395 374 88.06      
14 A 309 293 81.89      
15 A 212 200 8.61      

Unscaled Zero Point Vibrational Energy (zpe) 11321.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 10716.2 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/6-31G*
ABC
1.11228 0.15981 0.14502

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.577 0.594 0.038
C2 0.827 0.114 -0.006
O3 -1.508 -0.459 -0.115
H4 -0.724 1.154 0.972
H5 -0.743 1.280 -0.797
H6 -1.425 -1.053 0.649
N7 1.922 -0.280 -0.014

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48381.41371.09911.09351.95012.6477
C21.48382.40642.10772.10942.61911.1641
O31.41372.40642.09692.01840.97113.4360
H41.09912.10772.09691.77352.33733.1672
H51.09352.10942.01841.77352.82783.1860
H61.95012.61910.97112.33732.82783.4983
N72.64771.16413.43603.16723.18603.4983

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.405 C1 O3 H6 108.276
C2 C1 O3 112.281 C2 C1 H4 108.465
C2 C1 H5 108.920 O3 C1 H4 112.529
O3 C1 H5 106.530 H4 C1 H5 107.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability