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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-207.097067
Energy at 298.15K-207.100305
HF Energy-206.664697
Nuclear repulsion energy100.083719
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 3654 3506 14.39      
2 A 3120 2994 5.86      
3 A 3033 2910 23.34      
4 A 2285 2192 3.31      
5 A 1548 1486 3.30      
6 A 1423 1365 24.28      
7 A 1393 1337 6.57      
8 A 1232 1182 20.46      
9 A 1020 979 23.01      
10 A 990 949 69.97      
11 A 897 861 34.34      
12 A 550 527 5.14      
13 A 375 360 145.09      
14 A 280 268 69.28      
15 A 192 184 6.30      

Unscaled Zero Point Vibrational Energy (zpe) 10994.8 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 10549.5 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
1.05403 0.15579 0.14076

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 -0.566 0.616 0.037
C2 0.842 0.128 0.001
O3 -1.533 -0.469 -0.115
H4 -0.734 1.183 0.968
H5 -0.753 1.284 -0.814
H6 -1.499 -1.074 0.654
N7 1.942 -0.301 -0.016

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49031.46181.10331.09732.02682.6708
C21.49032.45172.12882.13142.71091.1809
O31.46182.45172.13112.04200.97883.4806
H41.10332.12882.13111.78492.40383.2145
H51.09732.13142.04201.78492.87563.2264
H62.02682.71090.97882.40382.87563.5895
N72.67081.18093.48063.21453.22643.5895

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 177.755 C1 O3 H6 110.737
C2 C1 O3 112.296 C2 C1 H4 109.424
C2 C1 H5 109.983 O3 C1 H4 111.602
O3 C1 H5 104.976 H4 C1 H5 108.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability