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All results from a given calculation for HOCHNH (hydroxymethylimine)

using model chemistry: CCSD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-169.423092
Energy at 298.15K-169.427054
HF Energy-168.916277
Nuclear repulsion energy70.422295
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/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' 3890 3685 69.57      
2 A' 3527 3341 1.18      
3 A' 3082 2920 58.09      
4 A' 1797 1703 161.52      
5 A' 1446 1370 23.61      
6 A' 1367 1295 148.76      
7 A' 1219 1155 52.62      
8 A' 1089 1032 181.18      
9 A' 616 584 0.57      
10 A" 1050 994 5.59      
11 A" 840 796 48.03      
12 A" 354 335 69.92      

Unscaled Zero Point Vibrational Energy (zpe) 10138.4 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 9604.1 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/cc-pVDZ
ABC
2.57283 0.36754 0.32160

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.377 0.000
O2 -1.010 -0.533 0.000
N3 1.206 -0.026 0.000
H4 -0.333 1.433 0.000
H5 -1.844 -0.048 0.000
H6 1.815 0.800 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35951.27151.10791.89221.8641
O21.35952.27352.07950.96443.1242
N31.27152.27352.12123.05001.0264
H41.10792.07952.12122.11572.2403
H51.89220.96443.05002.11573.7563
H61.86413.12421.02642.24033.7563

picture of hydroxymethylimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 107.808 C1 N3 H6 107.957
O2 C1 N3 119.522 O2 C1 H4 114.495
N3 C1 H4 125.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS OH down)

Jump to S1C1 S1C3
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-169.432884
Energy at 298.15K-169.437049
HF Energy-168.926957
Nuclear repulsion energy70.778445
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/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' 3791 3591 48.41      
2 A' 3534 3348 1.71      
3 A' 3155 2989 33.09      
4 A' 1775 1682 230.74      
5 A' 1425 1350 26.08      
6 A' 1403 1329 0.76      
7 A' 1219 1155 89.44      
8 A' 1098 1040 174.29      
9 A' 587 557 49.22      
10 A" 1061 1005 0.05      
11 A" 844 800 26.99      
12 A" 621 589 170.56      

Unscaled Zero Point Vibrational Energy (zpe) 10256.7 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 9716.1 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/cc-pVDZ
ABC
2.33576 0.38041 0.32713

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.419 0.000
O2 -1.119 -0.337 0.000
N3 1.164 -0.100 0.000
H4 -0.260 1.490 0.000
H5 -0.803 -1.256 0.000
H6 1.866 0.649 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.35061.27461.10281.85731.8798
O21.35062.29592.01950.97203.1435
N31.27462.29592.13492.28181.0258
H41.10282.01952.13492.79972.2862
H51.85730.97202.28182.79973.2786
H61.87983.14351.02582.28623.2786

picture of hydroxymethylimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 105.028 C1 N3 H6 109.121
O2 C1 N3 121.964 O2 C1 H4 110.390
N3 C1 H4 127.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (CS CH up)

Jump to S1C1 S1C2
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-169.428391
Energy at 298.15K-169.432490
HF Energy-168.921507
Nuclear repulsion energy70.425226
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/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' 3819 3617 30.38      
2 A' 3441 3260 6.86      
3 A' 3214 3045 13.37      
4 A' 1770 1677 226.50      
5 A' 1422 1347 4.22      
6 A' 1393 1320 22.98      
7 A' 1163 1102 210.85      
8 A' 1118 1059 60.20      
9 A' 589 558 37.56      
10 A" 1091 1033 65.76      
11 A" 856 811 42.52      
12 A" 513 486 79.72      

Unscaled Zero Point Vibrational Energy (zpe) 10194.1 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 9656.8 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 CCSD/cc-pVDZ
ABC
2.21426 0.37474 0.32050

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.442 0.000
O2 -1.106 -0.350 0.000
N3 1.232 0.118 0.000
H4 -0.296 1.501 0.000
H5 -0.809 -1.272 0.000
H6 1.331 -0.910 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 H4 H5 H6
C11.36081.27411.09871.89601.8978
O21.36082.38482.02040.96932.5011
N31.27412.38482.06062.46951.0328
H41.09872.02042.06062.82022.9083
H51.89600.96932.46952.82022.1705
H61.89782.50111.03282.90832.1705

picture of hydroxymethylimine state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 H5 107.732 C1 N3 H6 110.261
O2 C1 N3 129.635 O2 C1 H4 110.001
N3 C1 H4 120.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability