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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP3/6-31G*

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 MP3/6-31G*
Rotational Constants (cm-1) from geometry optimized at MP3/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-207.359853
Energy at 298.15K-207.363227
HF Energy-206.763630
Nuclear repulsion energy101.901515
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 MP3/6-31G*
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 3813 3579 39.00      
2 A 3190 2994 4.75      
3 A 3105 2914 20.68      
4 A 2446 2295 0.69      
5 A 1555 1459 2.29      
6 A 1460 1370 52.96      
7 A 1421 1334 2.11      
8 A 1257 1179 20.11      
9 A 1133 1064 91.47      
10 A 1018 956 25.18      
11 A 930 873 22.79      
12 A 586 550 2.72      
13 A 396 371 85.62      
14 A 310 291 85.63      
15 A 211 199 8.92      

Unscaled Zero Point Vibrational Energy (zpe) 11414.7 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 10713.8 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 MP3/6-31G*
ABC
1.11338 0.16056 0.14563

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.576 0.594 0.038
C2 0.827 0.115 -0.006
O3 -1.505 -0.459 -0.114
H4 -0.721 1.153 0.971
H5 -0.741 1.279 -0.795
H6 -1.418 -1.055 0.645
N7 1.916 -0.280 -0.014

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48241.41231.09711.09161.94802.6413
C21.48242.40352.10402.10602.61301.1592
O31.41232.40352.09482.01710.96943.4276
H41.09712.10402.09481.77072.33733.1590
H51.09162.10602.01711.77072.82493.1784
H61.94802.61300.96942.33732.82493.4858
N72.64131.15923.42763.15903.17843.4858

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.318 C1 O3 H6 108.317
C2 C1 O3 112.238 C2 C1 H4 108.382
C2 C1 H5 108.862 O3 C1 H4 112.581
O3 C1 H5 106.627 H4 C1 H5 108.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability