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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: CCSD/6-31+G**

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD/6-31+G**
 hartrees
Energy at 0K-207.413389
Energy at 298.15K-207.416713
HF Energy-206.780016
Nuclear repulsion energy101.608425
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/6-31+G**
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 3893 3635 42.83      
2 A 3204 2992 4.15      
3 A 3119 2913 22.11      
4 A 2347 2192 2.31      
5 A 1544 1442 1.48      
6 A 1445 1349 48.80      
7 A 1396 1304 2.72      
8 A 1238 1156 18.05      
9 A 1110 1036 99.93      
10 A 1008 941 26.99      
11 A 913 852 22.55      
12 A 569 532 3.86      
13 A 379 354 88.98      
14 A 298 278 83.83      
15 A 205 192 8.79      

Unscaled Zero Point Vibrational Energy (zpe) 11333.7 cm-1
Scaled (by 0.9338) Zero Point Vibrational Energy (zpe) 10583.4 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/6-31+G**
ABC
1.12115 0.15891 0.14430

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.576 0.595 0.038
C2 0.827 0.109 -0.005
O3 -1.515 -0.454 -0.112
H4 -0.718 1.148 0.970
H5 -0.738 1.275 -0.795
H6 -1.422 -1.071 0.624
N7 1.928 -0.278 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48501.41641.09281.08791.95792.6520
C21.48502.41122.10162.10562.61571.1672
O31.41642.41122.09102.01550.96433.4492
H41.09282.10162.09101.76972.35323.1631
H51.08792.10562.01551.76972.82573.1824
H61.95792.61570.96432.35322.82573.5010
N72.65201.16723.44923.16313.18243.5010

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.829 C1 O3 H6 109.173
C2 C1 O3 112.397 C2 C1 H4 108.266
C2 C1 H5 108.872 O3 C1 H4 112.243
O3 C1 H5 106.450 H4 C1 H5 108.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability