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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/6-311G**
 hartrees
Energy at 0K-207.508489
Energy at 298.15K-207.511864
HF Energy-206.821065
Nuclear repulsion energy101.684631
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)/6-311G**
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 3875 3738        
2 A 3132 3021        
3 A 3046 2938        
4 A 2279 2198        
5 A 1510 1456        
6 A 1444 1393        
7 A 1395 1345        
8 A 1237 1194        
9 A 1104 1065        
10 A 1002 967        
11 A 894 863        
12 A 574 553        
13 A 399 385        
14 A 312 301        
15 A 211 204        

Unscaled Zero Point Vibrational Energy (zpe) 11205.5 cm-1
Scaled (by 0.9647) Zero Point Vibrational Energy (zpe) 10809.9 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)/6-311G**
ABC
1.11129 0.15966 0.14477

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.583 0.593 0.038
C2 0.826 0.119 -0.006
O3 -1.511 -0.461 -0.110
H4 -0.721 1.154 0.973
H5 -0.744 1.279 -0.800
H6 -1.369 -1.065 0.624
N7 1.923 -0.279 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48761.41231.09971.09381.92672.6542
C21.48762.41072.10402.10702.57291.1669
O31.41232.41072.09872.02240.96103.4403
H41.09972.10402.09871.77762.33803.1663
H51.09382.10702.02241.77762.81253.1868
H61.92672.57290.96102.33802.81253.4443
N72.65421.16693.44033.16633.18683.4443

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.122 C1 O3 H6 107.007
C2 C1 O3 112.437 C2 C1 H4 107.882
C2 C1 H5 108.448 O3 C1 H4 112.737
O3 C1 H5 106.917 H4 C1 H5 108.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability