return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HOCH2CN (cyanomethanol)

using model chemistry: B2PLYP=FULLultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no Cs 1A'
1 2 yes C1 1A

Conformer 1 (Cs)

Jump to S1C2
Energy calculated at B2PLYP=FULLultrafine/cc-pVTZ
 hartrees
Energy at 0K-207.897752
Energy at 298.15K 
HF Energy-207.634921
Nuclear repulsion energy102.370932
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 B2PLYP=FULLultrafine/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' 3851 3680 49.90 100.84 0.26 0.41
2 A' 3036 2901 26.97 133.09 0.04 0.09
3 A' 2308 2205 1.06 56.34 0.21 0.35
4 A' 1522 1454 2.75 8.68 0.62 0.76
5 A' 1471 1406 14.70 2.23 0.65 0.79
6 A' 1260 1204 67.12 1.97 0.74 0.85
7 A' 1087 1039 95.17 6.44 0.35 0.52
8 A' 902 861 14.37 3.53 0.08 0.16
9 A' 575 549 5.78 1.59 0.43 0.60
10 A' 228 218 1.88 2.33 0.75 0.86
11 A" 3067 2931 13.58 65.88 0.75 0.86
12 A" 1276 1219 0.06 5.12 0.75 0.86
13 A" 1043 997 2.32 0.19 0.75 0.86
14 A" 359 343 3.80 2.94 0.75 0.86
15 A" 186 178 113.95 2.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11086.4 cm-1
Scaled (by 0.9554) Zero Point Vibrational Energy (zpe) 10591.9 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 B2PLYP=FULLultrafine/cc-pVTZ
ABC
1.19833 0.16187 0.14651

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.797 0.000
C2 -0.652 -0.512 0.000
N3 -1.203 -1.528 0.000
O4 1.400 0.604 0.000
H5 -0.342 1.340 0.884
H6 -0.342 1.340 -0.884
H7 1.818 1.469 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7
C11.46282.61801.41351.09201.09201.9378
C21.46281.15562.33612.07552.07553.1661
N32.61801.15563.36473.12223.12224.2550
O41.41352.33613.36472.08742.08740.9604
H51.09202.07553.12222.08741.76792.3368
H61.09202.07553.12222.08741.76792.3368
H71.93783.16614.25500.96042.33682.3368

picture of cyanomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 24.795 C1 O3 H6 19.507
C2 C1 O3 0.877 C2 C1 H4 108.611
C2 C1 H5 107.777 O3 C1 H4 109.488
O3 C1 H5 107.314 H4 C1 H5 112.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.015      
2 C -0.086      
3 N -0.028      
4 O -0.315      
5 H 0.101      
6 H 0.101      
7 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.089 4.655 0.000 4.780
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.067 -0.703 0.005
y -0.703 -23.279 -0.005
z 0.005 -0.005 -22.972
Traceless
 xyz
x -1.942 -0.703 0.005
y -0.703 0.740 -0.005
z 0.005 -0.005 1.201
Polar
3z2-r22.403
x2-y2-1.788
xy-0.703
xz0.005
yz-0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.617 1.112 -0.001
y 1.112 5.442 0.001
z -0.001 0.001 3.413


<r2> (average value of r2) Å2
<r2> 78.710
(<r2>)1/2 8.872

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B2PLYP=FULLultrafine/cc-pVTZ
 hartrees
Energy at 0K-207.900547
Energy at 298.15K 
HF Energy-207.637598
Nuclear repulsion energy102.293972
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 B2PLYP=FULLultrafine/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 3839 3668 49.00 59.19 0.23 0.37
2 A 3131 2991 3.21 76.41 0.37 0.54
3 A 3054 2918 21.76 114.78 0.12 0.22
4 A 2293 2191 0.76 55.40 0.20 0.33
5 A 1507 1440 3.31 8.88 0.62 0.77
6 A 1425 1362 39.79 3.76 0.74 0.85
7 A 1385 1323 3.23 3.41 0.74 0.85
8 A 1238 1183 18.43 2.45 0.47 0.64
9 A 1083 1035 94.70 6.02 0.30 0.46
10 A 998 953 25.26 0.52 0.37 0.54
11 A 903 863 15.29 2.40 0.09 0.16
12 A 582 556 1.46 1.84 0.19 0.31
13 A 377 361 36.12 0.88 0.73 0.84
14 A 297 283 101.13 2.84 0.75 0.86
15 A 215 205 10.98 3.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11163.9 cm-1
Scaled (by 0.9554) Zero Point Vibrational Energy (zpe) 10665.9 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 B2PLYP=FULLultrafine/cc-pVTZ
ABC
1.12974 0.16145 0.14646

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.568 0.590 0.038
C2 0.822 0.113 -0.006
O3 -1.508 -0.451 -0.110
H4 -0.707 1.150 0.965
H5 -0.727 1.274 -0.791
H6 -1.399 -1.071 0.616
N7 1.910 -0.281 -0.015

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 N7
C11.47041.41011.09141.08631.94542.6267
C21.47042.39982.08682.08882.59351.1565
O31.41012.39982.08762.01190.96113.4229
H41.09142.08682.08761.75972.35243.1391
H51.08632.08882.01191.75972.81613.1574
H61.94542.59350.96112.35242.81613.4602
N72.62671.15653.42293.13913.15743.4602

picture of cyanomethanol state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N7 178.411 C1 O3 H6 108.778
C2 C1 O3 112.820 C2 C1 H4 108.182
C2 C1 H5 108.640 O3 C1 H4 112.518
O3 C1 H5 106.685 H4 C1 H5 107.816
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.018      
2 C -0.129      
3 O -0.319      
4 H 0.107      
5 H 0.133      
6 H 0.218      
7 N -0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.428 1.156 1.272 2.975
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.889 1.199 -1.844
y 1.199 -20.804 -1.721
z -1.844 -1.721 -21.941
Traceless
 xyz
x -10.516 1.199 -1.844
y 1.199 6.111 -1.721
z -1.844 -1.721 4.405
Polar
3z2-r28.810
x2-y2-11.085
xy1.199
xz-1.844
yz-1.721


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.809 -0.391 -0.033
y -0.391 4.070 -0.100
z -0.033 -0.100 3.553


<r2> (average value of r2) Å2
<r2> 78.711
(<r2>)1/2 8.872