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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: QCISD/6-31G**

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/6-31G**
 hartrees
Energy at 0K-207.401003
Energy at 298.15K-207.404366
HF Energy-206.772300
Nuclear repulsion energy101.680810
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/6-31G**
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 3900 3671 33.27      
2 A 3196 3009 7.81      
3 A 3109 2927 27.32      
4 A 2344 2207 2.41      
5 A 1551 1460 0.77      
6 A 1452 1366 52.34      
7 A 1417 1334 2.85      
8 A 1250 1177 19.69      
9 A 1119 1054 91.53      
10 A 1013 953 26.98      
11 A 915 861 22.08      
12 A 577 543 3.08      
13 A 393 370 84.11      
14 A 308 290 77.55      
15 A 210 198 8.24      

Unscaled Zero Point Vibrational Energy (zpe) 11376.0 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 10709.3 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/6-31G**
ABC
1.11480 0.15946 0.14473

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.579 0.594 0.037
C2 0.827 0.116 -0.006
O3 -1.509 -0.460 -0.114
H4 -0.722 1.152 0.967
H5 -0.742 1.277 -0.794
H6 -1.428 -1.043 0.648
N7 1.925 -0.280 -0.014

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48561.41301.09381.08851.94232.6531
C21.48562.40772.10202.10492.61811.1677
O31.41302.40772.09412.01650.96343.4400
H41.09382.10202.09411.76602.32743.1657
H51.08852.10492.01651.76602.81673.1855
H61.94232.61810.96342.32742.81673.5022
N72.65311.16773.44003.16573.18553.5022

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.370 C1 O3 H6 108.147
C2 C1 O3 112.302 C2 C1 H4 108.198
C2 C1 H5 108.739 O3 C1 H4 112.688
O3 C1 H5 106.717 H4 C1 H5 108.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability