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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCSD(T)/6-31+G**

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/6-31+G**
 hartrees
Energy at 0K-207.436211
Energy at 298.15K-207.439486
HF Energy-206.778467
Nuclear repulsion energy101.324128
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(T)/6-31+G**
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 3860 3704        
2 A 3185 3056        
3 A 3097 2972        
4 A 2283 2191        
5 A 1532 1470        
6 A 1431 1373        
7 A 1382 1326        
8 A 1225 1176        
9 A 1087 1043        
10 A 997 957        
11 A 899 863        
12 A 556 533        
13 A 375 360        
14 A 289 277        
15 A 196 188        

Unscaled Zero Point Vibrational Energy (zpe) 11197.3 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 10744.9 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 CCSD(T)/6-31+G**
ABC
1.11154 0.15825 0.14361

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 0.597 0.038
C2 0.827 0.113 -0.005
O3 -1.518 -0.457 -0.111
H4 -0.721 1.151 0.971
H5 -0.743 1.277 -0.797
H6 -1.412 -1.076 0.623
N7 1.933 -0.279 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48671.42071.09461.08941.95952.6606
C21.48672.41532.10442.10892.61171.1741
O31.42072.41532.09642.01920.96633.4573
H41.09462.10442.09641.77322.35843.1728
H51.08942.10892.01921.77322.82873.1933
H61.95952.61170.96632.35842.82873.4980
N72.66061.17413.45733.17283.19333.4980

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.731 C1 O3 H6 108.865
C2 C1 O3 112.333 C2 C1 H4 108.267
C2 C1 H5 108.924 O3 C1 H4 112.269
O3 C1 H5 106.366 H4 C1 H5 108.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability