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All results from a given calculation for HOCH2CN (cyanomethanol)

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-207.414603
Energy at 298.15K-207.417978
HF Energy-206.783994
Nuclear repulsion energy101.362798
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/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 3851 3695 40.27      
2 A 3152 3024 7.62      
3 A 3063 2938 29.78      
4 A 2321 2227 2.35      
5 A 1496 1435 1.30      
6 A 1442 1384 52.00      
7 A 1394 1338 4.71      
8 A 1238 1188 15.03      
9 A 1126 1080 94.96      
10 A 998 957 17.49      
11 A 903 866 19.58      
12 A 576 553 3.01      
13 A 396 380 77.16      
14 A 311 298 65.05      
15 A 212 203 7.64      

Unscaled Zero Point Vibrational Energy (zpe) 11238.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 10782.0 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 QCISD/cc-pVDZ
ABC
1.11686 0.15808 0.14368

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.587 0.589 0.038
C2 0.829 0.114 -0.005
O3 -1.516 -0.459 -0.113
H4 -0.723 1.160 0.977
H5 -0.744 1.283 -0.803
H6 -1.401 -1.054 0.640
N7 1.934 -0.277 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.49421.40891.10761.10171.93022.6656
C21.49422.41682.11362.11612.59911.1716
O31.40892.41682.10662.02710.96673.4559
H41.10762.11362.10661.78482.33963.1789
H51.10172.11612.02711.78482.82473.1975
H61.93022.59910.96672.33962.82473.4861
N72.66561.17163.45593.17893.19753.4861

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.493 C1 O3 H6 107.222
C2 C1 O3 112.678 C2 C1 H4 107.730
C2 C1 H5 108.261 O3 C1 H4 113.136
O3 C1 H5 107.060 H4 C1 H5 107.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability