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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCSD/6-311G*

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 CCSD/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCSD/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/6-311G*
 hartrees
Energy at 0K-207.453187
Energy at 298.15K-207.456590
HF Energy-206.812045
Nuclear repulsion energy101.926735
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 CCSD/6-311G*
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 3846 3667 24.30      
2 A 3147 3001 5.84      
3 A 3058 2915 26.22      
4 A 2342 2233 2.74      
5 A 1528 1457 3.18      
6 A 1458 1390 54.83      
7 A 1412 1346 1.45      
8 A 1256 1198 22.91      
9 A 1127 1075 94.34      
10 A 1009 962 22.93      
11 A 908 866 22.24      
12 A 586 558 3.55      
13 A 402 384 98.48      
14 A 318 303 80.38      
15 A 218 208 9.24      

Unscaled Zero Point Vibrational Energy (zpe) 11306.8 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 10781.0 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 CCSD/6-311G*
ABC
1.12569 0.15989 0.14522

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 0.590 0.038
C2 0.828 0.113 -0.006
O3 -1.509 -0.455 -0.112
H4 -0.718 1.148 0.974
H5 -0.741 1.277 -0.795
H6 -1.415 -1.060 0.628
N7 1.920 -0.278 -0.014

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48581.40721.09841.09241.94182.6453
C21.48582.40772.10282.10742.61001.1598
O31.40722.40772.09092.01440.96033.4353
H41.09842.10282.09091.77392.34073.1572
H51.09242.10742.01441.77392.81833.1797
H61.94182.61000.96032.34072.81833.4858
N72.64531.15983.43533.15723.17973.4858

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.381 C1 O3 H6 108.737
C2 C1 O3 112.631 C2 C1 H4 107.982
C2 C1 H5 108.687 O3 C1 H4 112.546
O3 C1 H5 106.712 H4 C1 H5 108.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability