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All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: MP2/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 MP2/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP2/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-207.391615
Energy at 298.15K-207.394973
HF Energy-206.781220
Nuclear repulsion energy101.227537
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/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 3844 3661 48.52 56.87 0.27 0.42
2 A 3177 3026 5.80 77.84 0.47 0.64
3 A 3081 2935 27.97 114.67 0.13 0.22
4 A 2186 2082 9.72 29.34 0.24 0.39
5 A 1493 1422 1.61 12.24 0.68 0.81
6 A 1431 1363 44.77 5.41 0.74 0.85
7 A 1386 1320 3.16 4.47 0.75 0.86
8 A 1236 1177 14.68 3.67 0.62 0.76
9 A 1114 1061 97.06 4.63 0.33 0.50
10 A 996 949 17.69 0.59 0.35 0.52
11 A 908 865 17.15 3.11 0.15 0.26
12 A 575 548 3.28 1.60 0.26 0.41
13 A 395 376 86.85 1.00 0.73 0.84
14 A 305 290 54.42 4.10 0.75 0.86
15 A 207 197 7.08 3.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11166.7 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 10636.3 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/cc-pVDZ
ABC
1.10895 0.15820 0.14362

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.587 0.590 0.037
C2 0.822 0.122 -0.005
O3 -1.514 -0.463 -0.112
H4 -0.727 1.163 0.973
H5 -0.750 1.280 -0.803
H6 -1.384 -1.058 0.640
N7 1.937 -0.280 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.48541.41091.10621.10021.92752.6700
C21.48542.41122.10732.10962.58421.1849
O31.41092.41122.10702.02510.96793.4575
H41.10622.10732.10701.78082.34003.1868
H51.10022.10962.02511.78082.82043.2053
H61.92752.58420.96792.34002.82043.4735
N72.67001.18493.45753.18683.20533.4735

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.139 C1 O3 H6 106.762
C2 C1 O3 112.692 C2 C1 H4 107.911
C2 C1 H5 108.441 O3 C1 H4 113.110
O3 C1 H5 106.851 H4 C1 H5 107.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability