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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS H all up 1A'
1 2 yes CS OH down 1A'
1 3 no CS CH up 1A'

Conformer 1 (CS H all up)

Jump to S1C2 S1C3
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-169.376046
Energy at 298.15K-169.380004
HF Energy-168.893997
Nuclear repulsion energy70.536473
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 CCD/6-31G*
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' 3814 3610 62.23      
2 A' 3524 3336 1.54      
3 A' 3101 2935 52.08      
4 A' 1825 1727 148.94      
5 A' 1487 1408 17.91      
6 A' 1380 1306 168.37      
7 A' 1242 1175 61.56      
8 A' 1098 1039 193.23      
9 A' 621 588 1.07      
10 A" 1063 1006 9.60      
11 A" 855 809 60.03      
12 A" 350 331 83.79      

Unscaled Zero Point Vibrational Energy (zpe) 10179.6 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 9635.0 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 CCD/6-31G*
ABC
2.59921 0.36828 0.32257

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.379 0.000
O2 -1.005 -0.537 0.000
N3 1.202 -0.017 0.000
H4 -0.336 1.425 0.000
H5 -1.857 -0.074 0.000
H6 1.825 0.793 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36041.26501.09851.91131.8713
O21.36042.26762.07350.96933.1274
N31.26502.26762.10743.05891.0219
H41.09852.07352.10742.13572.2509
H51.91130.96933.05892.13573.7824
H61.87133.12741.02192.25093.7824

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.097 C1 N3 H6 109.358
O2 C1 N3 119.429 O2 C1 H4 114.560
N3 C1 H4 126.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-169.386777
Energy at 298.15K-169.390946
HF Energy-168.905706
Nuclear repulsion energy70.900872
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 CCD/6-31G*
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' 3731 3532 49.28      
2 A' 3537 3348 2.15      
3 A' 3180 3010 29.18      
4 A' 1802 1706 223.91      
5 A' 1459 1381 29.03      
6 A' 1420 1344 4.04      
7 A' 1236 1170 102.40      
8 A' 1108 1049 187.67      
9 A' 598 566 52.56      
10 A" 1075 1018 0.26      
11 A" 860 814 35.39      
12 A" 625 591 210.35      

Unscaled Zero Point Vibrational Energy (zpe) 10315.7 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 9763.8 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 CCD/6-31G*
ABC
2.34927 0.38156 0.32825

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.420 0.000
O2 -1.115 -0.342 0.000
N3 1.160 -0.091 0.000
H4 -0.265 1.481 0.000
H5 -0.809 -1.269 0.000
H6 1.874 0.640 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35131.26801.09311.87371.8866
O21.35132.28972.01230.97633.1465
N31.26802.28972.12162.29561.0211
H41.09312.01232.12162.80402.2979
H51.87370.97632.29562.80403.2932
H61.88663.14651.02112.29793.2932

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 106.100 C1 N3 H6 110.549
O2 C1 N3 121.858 O2 C1 H4 110.366
N3 C1 H4 127.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-169.381169
Energy at 298.15K-169.385257
HF Energy-168.899538
Nuclear repulsion energy70.479797
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 CCD/6-31G*
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' 3757 3556 27.28      
2 A' 3449 3264 6.41      
3 A' 3241 3068 12.63      
4 A' 1797 1701 218.75      
5 A' 1448 1370 2.55      
6 A' 1408 1333 21.22      
7 A' 1164 1102 266.40      
8 A' 1119 1060 52.84      
9 A' 604 571 38.49      
10 A" 1103 1044 75.42      
11 A" 867 820 56.56      
12 A" 498 471 98.98      

Unscaled Zero Point Vibrational Energy (zpe) 10226.8 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 9679.7 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 CCD/6-31G*
ABC
2.22883 0.37445 0.32059

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.442 0.000
O2 -1.104 -0.357 0.000
N3 1.228 0.128 0.000
H4 -0.301 1.488 0.000
H5 -0.827 -1.290 0.000
H6 1.367 -0.890 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36301.26751.08871.91951.9086
O21.36302.38182.01260.97352.5276
N31.26752.38182.04672.49631.0273
H41.08872.01262.04672.82782.9050
H51.91950.97352.49632.82782.2295
H61.90862.52761.02732.90502.2295

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 109.340 C1 N3 H6 112.132
O2 C1 N3 129.734 O2 C1 H4 109.846
N3 C1 H4 120.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability