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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: QCISD(T)/cc-pVTZ

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-207.641697
Energy at 298.15K-207.645018
HF Energy-206.845653
Nuclear repulsion energy101.879355
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 QCISD(T)/cc-pVTZ
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 3839 3642        
2 A 3126 2965        
3 A 3049 2892        
4 A 2278 2160        
5 A 1501 1424        
6 A 1427 1354        
7 A 1384 1313        
8 A 1236 1172        
9 A 1095 1038        
10 A 993 942        
11 A 894 848        
12 A 571 542        
13 A 370 351        
14 A 295 280        
15 A 210 199        

Unscaled Zero Point Vibrational Energy (zpe) 11133.1 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 10560.9 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 QCISD(T)/cc-pVTZ
ABC
1.12255 0.15996 0.14516

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.577 0.592 0.038
C2 0.825 0.114 -0.006
O3 -1.512 -0.455 -0.110
H4 -0.714 1.151 0.968
H5 -0.734 1.276 -0.794
H6 -1.391 -1.068 0.621
N7 1.920 -0.279 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48191.41171.09401.08911.93882.6449
C21.48192.40792.09692.09852.58911.1633
O31.41172.40792.09282.01730.96193.4382
H41.09402.09692.09281.76722.34633.1548
H51.08912.09852.01731.76722.81613.1736
H61.93882.58910.96192.34632.81613.4631
N72.64491.16333.43823.15483.17363.4631

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.403 C1 O3 H6 108.029
C2 C1 O3 112.612 C2 C1 H4 108.038
C2 C1 H5 108.447 O3 C1 H4 112.656
O3 C1 H5 106.833 H4 C1 H5 108.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability