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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: QCISD(T)=FULL/cc-pVTZ

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-207.700365
Energy at 298.15K-207.703717
HF Energy-206.846591
Nuclear repulsion energy102.248322
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(T)=FULL/cc-pVTZ
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 3859 3693 0.00      
2 A 3128 2993 0.00      
3 A 3061 2929 0.00      
4 A 2301 2201 0.00      
5 A 1512 1447 0.00      
6 A 1431 1369 0.00      
7 A 1393 1333 0.00      
8 A 1243 1189 0.00      
9 A 1104 1056 0.00      
10 A 995 952 0.00      
11 A 905 866 0.00      
12 A 579 554 0.00      
13 A 377 360 0.00      
14 A 299 286 0.00      
15 A 216 207 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11199.8 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 10717.1 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(T)=FULL/cc-pVTZ
ABC
1.13190 0.16114 0.14626

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.572 0.590 0.038
C2 0.821 0.112 -0.005
O3 -1.507 -0.452 -0.110
H4 -0.710 1.149 0.964
H5 -0.727 1.271 -0.792
H6 -1.392 -1.064 0.620
N7 1.913 -0.278 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47391.40771.09011.08541.93572.6332
C21.47392.39812.08772.08812.58331.1595
O31.40772.39812.08662.01110.96023.4263
H41.09012.08772.08661.76032.34163.1423
H51.08542.08812.01111.76032.80953.1580
H61.93572.58330.96022.34162.80953.4566
N72.63321.15953.42633.14233.15803.4566

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.619 C1 O3 H6 108.176
C2 C1 O3 112.635 C2 C1 H4 108.082
C2 C1 H5 108.395 O3 C1 H4 112.690
O3 C1 H5 106.835 H4 C1 H5 108.029
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability