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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP4/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 MP4/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP4/cc-pVTZ
 hartrees
Energy at 0K-207.647751
Energy at 298.15K-207.651058
HF Energy-206.843843
Nuclear repulsion energy101.670380
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 MP4/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 3829 3711 0.00      
2 A 3127 3030 0.00      
3 A 3048 2954 0.00      
4 A 2174 2107 0.00      
5 A 1498 1452 0.00      
6 A 1421 1378 0.00      
7 A 1379 1337 0.00      
8 A 1232 1194 0.00      
9 A 1083 1050 0.00      
10 A 991 960 0.00      
11 A 891 863 0.00      
12 A 567 550 0.00      
13 A 368 357 0.00      
14 A 293 284 0.00      
15 A 208 201 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11053.5 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 10713.0 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 MP4/cc-pVTZ
ABC
1.11734 0.15946 0.14467

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.578 0.593 0.038
C2 0.823 0.117 -0.006
O3 -1.513 -0.457 -0.110
H4 -0.718 1.153 0.968
H5 -0.738 1.275 -0.796
H6 -1.389 -1.069 0.623
N7 1.926 -0.280 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48011.41431.09431.08941.93912.6515
C21.48012.40852.09702.09862.58731.1717
O31.41432.40852.09452.01790.96293.4448
H41.09432.09702.09451.76752.34603.1638
H51.08942.09862.01791.76752.81593.1820
H61.93912.58730.96292.34602.81593.4659
N72.65151.17173.44483.16383.18203.4659

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.352 C1 O3 H6 107.803
C2 C1 O3 112.618 C2 C1 H4 108.150
C2 C1 H5 108.558 O3 C1 H4 112.590
O3 C1 H5 106.689 H4 C1 H5 108.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability