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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP4/cc-pVDZ

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-207.437861
Energy at 298.15K-207.441193
HF Energy-206.780845
Nuclear repulsion energy100.966472
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-pVDZ
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 3824 3698 0.00      
2 A 3139 3035 0.00      
3 A 3044 2944 0.00      
4 A 2174 2102 0.00      
5 A 1484 1435 0.00      
6 A 1429 1382 0.00      
7 A 1378 1333 0.00      
8 A 1226 1185 0.00      
9 A 1100 1064 0.00      
10 A 987 955 0.00      
11 A 890 861 0.00      
12 A 564 546 0.00      
13 A 393 380 0.00      
14 A 302 292 0.00      
15 A 204 197 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11069.2 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 10702.8 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 MP4/cc-pVDZ
ABC
1.10435 0.15720 0.14275

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.590 0.591 0.037
C2 0.827 0.121 -0.005
O3 -1.518 -0.464 -0.113
H4 -0.729 1.164 0.977
H5 -0.753 1.284 -0.806
H6 -1.391 -1.056 0.644
N7 1.942 -0.279 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49401.41371.10951.10331.92912.6787
C21.49402.42002.11572.11882.59331.1850
O31.41372.42002.11242.03090.96863.4673
H41.10952.11572.11241.78722.34033.1948
H51.10332.11882.03091.78722.82563.2146
H61.92912.59330.96862.34032.82563.4851
N72.67871.18503.46733.19483.21463.4851

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.176 C1 O3 H6 106.652
C2 C1 O3 112.637 C2 C1 H4 107.797
C2 C1 H5 108.392 O3 C1 H4 113.140
O3 C1 H5 106.936 H4 C1 H5 107.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability