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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CISD/cc-pVDZ

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 CISD/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CISD/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CISD/cc-pVDZ
 hartrees
Energy at 0K-207.326432
Energy at 298.15K-207.329901
HF Energy-206.787155
Nuclear repulsion energy102.231520
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 CISD/cc-pVDZ
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 3988 3676 58.29      
2 A 3240 2987 6.58      
3 A 3152 2906 26.82      
4 A 2457 2265 0.39      
5 A 1538 1417 1.68      
6 A 1479 1363 60.36      
7 A 1434 1322 3.07      
8 A 1273 1173 15.77      
9 A 1176 1084 105.08      
10 A 1030 949 18.74      
11 A 934 861 21.97      
12 A 606 559 1.88      
13 A 409 377 61.79      
14 A 326 300 89.79      
15 A 225 208 9.55      

Unscaled Zero Point Vibrational Energy (zpe) 11632.8 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 10723.1 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 CISD/cc-pVDZ
ABC
1.13740 0.16062 0.14599

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.581 0.585 0.037
C2 0.826 0.109 -0.005
O3 -1.505 -0.453 -0.111
H4 -0.715 1.150 0.971
H5 -0.732 1.277 -0.796
H6 -1.398 -1.056 0.625
N7 1.917 -0.274 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48591.39721.09951.09391.92502.6418
C21.48592.39992.09962.10192.58831.1561
O31.39722.39992.08922.01460.95793.4277
H41.09952.09962.08921.77192.33533.1502
H51.09392.10192.01461.77192.81193.1671
H61.92502.58830.95792.33532.81193.4655
N72.64181.15613.42773.15023.16713.4655

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.737 C1 O3 H6 108.194
C2 C1 O3 112.659 C2 C1 H4 107.669
C2 C1 H5 108.163 O3 C1 H4 113.064
O3 C1 H5 107.312 H4 C1 H5 107.771
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability