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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2/6-311+G(3df,2p)

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 MP2/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at MP2/6-311+G(3df,2p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-207.593156
Energy at 298.15K-207.596467
HF Energy-206.843134
Nuclear repulsion energy102.021430
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 MP2/6-311+G(3df,2p)
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 3868 3649 59.80 57.00 0.16 0.27
2 A 3167 2987 1.24 63.32 0.45 0.62
3 A 3085 2910 16.93 112.89 0.09 0.16
4 A 2197 2073 5.87 49.65 0.15 0.26
5 A 1512 1426 3.65 6.67 0.66 0.80
6 A 1422 1342 35.20 2.29 0.75 0.85
7 A 1379 1301 2.87 2.51 0.63 0.78
8 A 1233 1164 17.91 2.39 0.31 0.48
9 A 1098 1036 102.30 6.26 0.22 0.36
10 A 998 942 22.15 0.50 0.20 0.33
11 A 907 856 14.81 4.09 0.07 0.12
12 A 576 543 1.37 1.55 0.13 0.23
13 A 364 344 45.57 0.54 0.73 0.85
14 A 289 272 93.93 1.44 0.75 0.86
15 A 209 197 11.75 2.32 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 11152.4 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 10521.2 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 MP2/6-311+G(3df,2p)
ABC
1.12246 0.16083 0.14585

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.574 0.591 0.038
C2 0.819 0.118 -0.005
O3 -1.505 -0.455 -0.110
H4 -0.720 1.147 0.967
H5 -0.739 1.273 -0.793
H6 -1.395 -1.075 0.616
N7 1.918 -0.280 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47211.40881.09231.08751.94532.6410
C21.47212.39622.09132.09312.59011.1691
O31.40882.39622.08472.01020.96133.4297
H41.09232.09132.08471.76482.34903.1560
H51.08752.09312.01021.76482.81593.1743
H61.94532.59010.96132.34902.81593.4652
N72.64101.16913.42973.15603.17433.4652

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.358 C1 O3 H6 108.863
C2 C1 O3 112.539 C2 C1 H4 108.368
C2 C1 H5 108.793 O3 C1 H4 112.313
O3 C1 H5 106.563 H4 C1 H5 108.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability