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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: QCISD/Def2TZVPP

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/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at QCISD/Def2TZVPP
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/Def2TZVPP
 hartrees
Energy at 0K-207.615747
Energy at 298.15K-207.619107
HF Energy-206.856251
Nuclear repulsion energy102.228486
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3886 3886 49.21      
2 A 3151 3151 3.29      
3 A 3076 3076 19.92      
4 A 2344 2344 1.16      
5 A 1517 1517 2.44      
6 A 1444 1444 46.13      
7 A 1401 1401 2.45      
8 A 1249 1249 16.01      
9 A 1116 1116 97.21      
10 A 1007 1007 21.46      
11 A 908 908 17.61      
12 A 585 585 1.53      
13 A 379 379 38.91      
14 A 302 302 101.53      
15 A 217 217 12.43      

Unscaled Zero Point Vibrational Energy (zpe) 11290.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11290.9 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/Def2TZVPP
ABC
1.13242 0.16086 0.14604

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.574 0.590 0.038
C2 0.825 0.110 -0.006
O3 -1.508 -0.452 -0.110
H4 -0.712 1.145 0.968
H5 -0.730 1.275 -0.791
H6 -1.397 -1.068 0.615
N7 1.914 -0.277 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47971.40721.09181.08701.93912.6347
C21.47972.40222.09352.09602.59051.1552
O31.40722.40222.08462.01270.95833.4277
H41.09182.09352.08461.76432.34373.1436
H51.08702.09602.01271.76432.81313.1624
H61.93912.59050.95832.34372.81313.4615
N72.63471.15523.42773.14363.16243.4615

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.603 C1 O3 H6 108.639
C2 C1 O3 112.611 C2 C1 H4 108.056
C2 C1 H5 108.527 O3 C1 H4 112.454
O3 C1 H5 106.897 H4 C1 H5 108.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability