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All results from a given calculation for NH2COOH (Carbamic acid)

using model chemistry: CID/6-31G

19 10 17 12 22

States and conformations

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

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-244.101255
Energy at 298.15K-244.106277
HF Energy-243.706250
Nuclear repulsion energy122.049714
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 CID/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' 3870 3619 71.03      
2 A' 3813 3566 71.43      
3 A' 3732 3490 78.02      
4 A' 1836 1717 572.94      
5 A' 1735 1623 88.94      
6 A' 1517 1419 174.55      
7 A' 1271 1188 193.48      
8 A' 1148 1074 60.50      
9 A' 972 909 53.48      
10 A' 592 553 41.07      
11 A' 501 469 9.86      
12 A" 766 717 147.32      
13 A" 602 563 170.37      
14 A" 525 491 336.76      
15 A" 510 477 88.98      

Unscaled Zero Point Vibrational Energy (zpe) 11694.6 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 10936.8 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 CID/6-31G
ABC
0.37336 0.35628 0.18231

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
O2 -0.191 1.353 0.000
N3 1.199 -0.501 0.000
O4 -1.033 -0.790 0.000
H5 2.039 0.046 0.000
H6 1.249 -1.501 0.000
H7 -1.889 -0.335 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.23691.35571.38442.04042.05601.9461
O21.23692.31762.30302.58473.19772.3947
N31.35572.31762.25121.00171.00193.0932
O41.38442.30302.25123.18352.39080.9698
H52.04042.58471.00173.18351.73723.9465
H62.05603.19771.00192.39081.73723.3485
H71.94612.39473.09320.96983.94653.3485

picture of Carbamic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.117 C1 N3 H6 120.653
C1 O4 H7 110.275 O2 C1 N3 126.681
O2 C1 O4 122.842 N3 C1 O4 110.477
H5 N3 H6 120.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-244.101255
Energy at 298.15K-244.106277
HF Energy-243.706223
Nuclear repulsion energy122.039113
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 CID/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 3869 3618 70.91      
2 A 3813 3566 71.19      
3 A 3732 3490 78.22      
4 A 1837 1718 573.62      
5 A 1735 1623 88.36      
6 A 1516 1418 174.11      
7 A 1270 1188 193.35      
8 A 1148 1074 59.83      
9 A 971 908 54.77      
10 A 766 717 147.68      
11 A 602 563 172.01      
12 A 591 553 40.90      
13 A 527 493 335.44      
14 A 510 477 88.00      
15 A 501 469 9.88      

Unscaled Zero Point Vibrational Energy (zpe) 11694.4 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 10936.6 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 CID/6-31G
ABC
0.37317 0.35633 0.18228

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.025 0.129 0.000
O2 0.451 1.290 0.000
N3 -1.274 -0.257 -0.000
O4 0.859 -0.977 -0.000
H5 -1.991 0.442 -0.000
H6 -1.518 -1.229 0.001
H7 1.788 -0.697 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.23681.35541.38522.04052.05601.9465
O21.23682.31772.30362.58573.19792.3949
N31.35542.31772.25101.00171.00203.0929
O41.38522.30362.25103.18382.39060.9697
H52.04052.58571.00173.18381.73673.9467
H62.05603.19791.00202.39061.73673.3483
H71.94652.39493.09290.96973.94673.3483

picture of Carbamic acid state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 119.154 C1 N3 H6 120.686
C1 O4 H7 110.243 O2 C1 N3 126.727
O2 C1 O4 122.836 N3 C1 O4 110.438
H5 N3 H6 120.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability