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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-169.395139
Energy at 298.15K-169.399083
HF Energy-168.892774
Nuclear repulsion energy70.267748
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 CCSD(T)/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' 3756 3614        
2 A' 3478 3346        
3 A' 3067 2951        
4 A' 1771 1704        
5 A' 1462 1406        
6 A' 1363 1311        
7 A' 1225 1178        
8 A' 1079 1038        
9 A' 610 587        
10 A" 1031 992        
11 A" 838 806        
12 A" 359 345        

Unscaled Zero Point Vibrational Energy (zpe) 10018.4 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 9638.7 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 CCSD(T)/6-31G*
ABC
2.56029 0.36627 0.32043

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.383 0.000
O2 -1.010 -0.535 0.000
N3 1.206 -0.024 0.000
H4 -0.336 1.431 0.000
H5 -1.860 -0.062 0.000
H6 1.833 0.786 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36491.27291.10051.91251.8773
O21.36492.27432.07840.97263.1355
N31.27292.27432.12003.06631.0249
H41.10052.07842.12002.13372.2630
H51.91250.97263.06632.13373.7896
H61.87733.13551.02492.26303.7896

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.649 C1 N3 H6 109.095
O2 C1 N3 119.090 O2 C1 H4 114.498
N3 C1 H4 126.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-169.406031
Energy at 298.15K-169.410178
HF Energy-168.904472
Nuclear repulsion energy70.630448
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 CCSD(T)/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' 3662 3523        
2 A' 3490 3357        
3 A' 3152 3032        
4 A' 1745 1679        
5 A' 1432 1378        
6 A' 1405 1352        
7 A' 1218 1172        
8 A' 1090 1049        
9 A' 586 564        
10 A" 1043 1003        
11 A" 841 809        
12 A" 630 606        

Unscaled Zero Point Vibrational Energy (zpe) 10146.9 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 9762.4 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 CCSD(T)/6-31G*
ABC
2.31812 0.37940 0.32604

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.424 0.000
O2 -1.120 -0.339 0.000
N3 1.164 -0.098 0.000
H4 -0.264 1.487 0.000
H5 -0.806 -1.267 0.000
H6 1.882 0.632 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35551.27631.09491.87421.8935
O21.35552.29722.01660.98033.1554
N31.27632.29722.13392.29141.0241
H41.09492.01662.13392.80742.3100
H51.87420.98032.29142.80743.2918
H61.89353.15541.02412.31003.2918

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 105.592 C1 N3 H6 110.318
O2 C1 N3 121.553 O2 C1 H4 110.320
N3 C1 H4 128.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-169.400722
Energy at 298.15K-169.404790
HF Energy-168.898189
Nuclear repulsion energy70.149036
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 CCSD(T)/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' 3691 3551        
2 A' 3397 3268        
3 A' 3216 3094        
4 A' 1737 1671        
5 A' 1432 1378        
6 A' 1390 1338        
7 A' 1149 1105        
8 A' 1096 1054        
9 A' 589 567        
10 A" 1078 1037        
11 A" 841 809        
12 A" 508 489        

Unscaled Zero Point Vibrational Energy (zpe) 10061.3 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 9680.0 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 CCSD(T)/6-31G*
ABC
2.22085 0.37008 0.31722

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.443 0.000
O2 -1.112 -0.356 0.000
N3 1.236 0.127 0.000
H4 -0.300 1.491 0.000
H5 -0.827 -1.291 0.000
H6 1.369 -0.895 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36881.27571.09031.92041.9145
O21.36882.39662.01700.97732.5389
N31.27572.39662.05452.50261.0306
H41.09032.01702.05452.83082.9122
H51.92040.97732.50262.83082.2312
H61.91452.53891.03062.91222.2312

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 108.737 C1 N3 H6 111.782
O2 C1 N3 129.962 O2 C1 H4 109.701
N3 C1 H4 120.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability