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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCSD(T)=FULL/cc-pVDZ

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-207.443247
Energy at 298.15K-207.446591
HF Energy-206.782818
Nuclear repulsion energy101.210539
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)=FULL/cc-pVDZ
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 3825 3684        
2 A 3141 3026        
3 A 3049 2937        
4 A 2276 2192        
5 A 1486 1432        
6 A 1434 1381        
7 A 1383 1332        
8 A 1230 1185        
9 A 1108 1067        
10 A 989 953        
11 A 895 862        
12 A 568 547        
13 A 393 378        
14 A 305 294        
15 A 206 198        

Unscaled Zero Point Vibrational Energy (zpe) 11142.6 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 10732.6 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)=FULL/cc-pVDZ
ABC
1.10841 0.15794 0.14342

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.588 0.591 0.038
C2 0.828 0.119 -0.006
O3 -1.516 -0.462 -0.112
H4 -0.725 1.163 0.977
H5 -0.748 1.284 -0.804
H6 -1.390 -1.057 0.641
N7 1.936 -0.279 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49371.41181.10821.10221.92942.6701
C21.49372.41752.11412.11702.59231.1767
O31.41182.41752.11002.02950.96803.4582
H41.10822.11412.11001.78562.34093.1848
H51.10222.11702.02951.78562.82513.2045
H61.92942.59230.96802.34092.82513.4782
N72.67011.17673.45823.18483.20453.4782

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.252 C1 O3 H6 106.854
C2 C1 O3 112.589 C2 C1 H4 107.766
C2 C1 H5 108.334 O3 C1 H4 113.165
O3 C1 H5 107.019 H4 C1 H5 107.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability